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Hamidon TS, Garba ZN, Zango ZU, Hussin MH. Biopolymer-based beads for the adsorptive removal of organic pollutants from wastewater: Current state and future perspectives. Int J Biol Macromol 2024; 269:131759. [PMID: 38679272 DOI: 10.1016/j.ijbiomac.2024.131759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/13/2024] [Accepted: 04/20/2024] [Indexed: 05/01/2024]
Abstract
Among biopolymer-based adsorbents, composites in the form of beads have shown promising results in terms of high adsorption capacity and ease of separation from the effluents. This review addresses the potential of biopolymer-based beads to remediate wastewaters polluted with emerging organic contaminants, for instance dyes, active pharmaceutical ingredients, pesticides, phenols, oils, polyaromatic hydrocarbons, and polychlorinated biphenyls. High adsorption capacities up to 2541.76 mg g-1 for dyes, 392 mg g-1 for pesticides and phenols, 1890.3 mg g-1 for pharmaceuticals, and 537 g g-1 for oils and organic solvents have been reported. The review also attempted to convey to its readers the significance of wastewater treatment through adsorption by providing an overview on decontamination technologies of organic water contaminants. Various preparation methods of biopolymer-based gel beads and adsorption mechanisms involved in the process of decontamination have been summarized and analyzed. Therefore, we believe there is an urge to discuss the current state of the application of biopolymer-based gel beads for the adsorption of organic pollutants from wastewater and future perspectives in this regard since it is imperative to treat wastewater before releasing into freshwater bodies.
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Affiliation(s)
- Tuan Sherwyn Hamidon
- Materials Technology Research Group (MaTReC), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
| | | | - Zakariyya Uba Zango
- Department of Chemistry, Faculty of Science, Al-Qalam University Katsina, Katsina 820101, Nigeria
| | - M Hazwan Hussin
- Materials Technology Research Group (MaTReC), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
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2
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Li X, Li L, Tang L, Mei J, Fu J. Unveiling combined ecotoxicity: Interactions and impacts of engineered nanoparticles and PPCPs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:170746. [PMID: 38342466 DOI: 10.1016/j.scitotenv.2024.170746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/27/2024] [Accepted: 02/04/2024] [Indexed: 02/13/2024]
Abstract
Emerging contaminants such as engineered nanoparticles (ENPs), pharmaceuticals and personal care products (PPCPs) are of great concern because of their wide distribution and incomplete removal in conventional wastewater and soil treatment processes. The production and usage of ENPs and PPCPs inevitably result in their coexistence in different environmental media, thus posing various risks to organisms in aquatic and terrestrial ecosystems. However, the existing literature on the physicochemical interactions between ENPs and PPCPs and their effects on organisms is rather limited. Therefore, this paper summarized the ecotoxicity of combined ENPs and PPCPs by discussing: (1) the interactions between ENPs and PPCPs, including processes such as aggregation, adsorption, transformation, and desorption, considering the influence of environmental factors like pH, ionic strength, dissolved organic matter, and temperature; (2) the effects of these interactions on bioaccumulation, bioavailability and biotoxicity in organisms at different trophic levels; (3) the impacted of ENPs and PPCPs on cellular-level biological process. This review elucidated the potential ecological hazards associated with the interaction of ENPs and PPCPs, and serves as a foundation for future investigations into the ecotoxicity and mode of action of ENPs, PPCPs, and their co-occurring metabolites.
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Affiliation(s)
- Xiang Li
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Liyan Li
- Department of Civil and Environmental Engineering, College of Design and Engineering, National University of Singapore, Singapore
| | - Liang Tang
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
| | - Jingting Mei
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Jing Fu
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
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3
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Zhang X, Zhang K, Shi Y, Xiang H, Yang W, Zhao F. Surface engineering of multifunctional nanostructured adsorbents for enhanced wastewater treatment: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170951. [PMID: 38367722 DOI: 10.1016/j.scitotenv.2024.170951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/20/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
Rapid urbanization and industrialization have significantly contributed to the contamination of the environment through the discharge of wastewater containing various pollutants. The development of high-performance surface functional nanostructured adsorbents is of wide interest for researchers. Therefore, we explore the significant advancements in this field, focusing on the efficiency of nanostructured materials, as well as their nanocomposites, for wastewater treatment applications. The crucial role of surface modification in enhancing the affinity of these nanostructured adsorbents towards targeted pollutants, addressing a key bottleneck in the utilization of nanomaterials for wastewater treatment, was specifically emphasized. In addition to highlighting the advantages of surface engineering in enhancing the efficiency of nanostructured adsorbents, this review also provides a comprehensive overview of the limitations and challenges associated with surface-modified nanostructured adsorbents, including high cost, low stability, poor scalability, and potential nanotoxicity. Addressing these limitations is essential for realizing the commercial viability of these state-of-the-art materials for large-scale wastewater treatment applications. This review also thoroughly discusses the potential scalability and environmental safety aspects of surface-modified nanostructured adsorbents, offering insights into their future prospects for wastewater treatment. It is believed that this review will contribute significantly to the existing body of knowledge in the field and provide valuable information for researchers and practitioners working in the area of environmental remediation and nanomaterials.
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Affiliation(s)
- Xiaowei Zhang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Kejing Zhang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Yan Shi
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Central South University, Changsha 410083, China
| | - Hongrui Xiang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Weichun Yang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Central South University, Changsha 410083, China
| | - Feiping Zhao
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Central South University, Changsha 410083, China.
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4
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Madhogaria B, Banerjee S, Kundu A, Dhak P. Efficacy of new generation biosorbents for the sustainable treatment of antibiotic residues and antibiotic resistance genes from polluted waste effluent. INFECTIOUS MEDICINE 2024; 3:100092. [PMID: 38586544 PMCID: PMC10998275 DOI: 10.1016/j.imj.2024.100092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/01/2023] [Accepted: 12/12/2023] [Indexed: 04/09/2024]
Abstract
Antimicrobials are frequently used in both humans and animals for the treatment of bacterially-generated illnesses. Antibiotic usage has increased for more than 40% from last 15 years globally per day in both human populations and farm animals leading to the large-scale discharge of antibiotic residues into wastewater. Most antibiotics end up in sewer systems, either directly from industry or healthcare systems, or indirectly from humans and animals after being partially metabolized or broken down following consumption. To prevent additional antibiotic compound pollution, which eventually impacts on the spread of antibiotic resistance, it is crucial to remove antibiotic residues from wastewater. Antibiotic accumulation and antibiotic resistance genes cannot be effectively and efficiently eliminated by conventional sewage treatment plants. Because of their high energy requirements and operating costs, many of the available technologies are not feasible. However, the biosorption method, which uses low-cost biomass as the biosorbent, is an alternative technique to potentially address these problems. An extensive literature survey focusing on developments in the field was conducted using English language electronic databases, such as PubMed, Google Scholar, Pubag, Google books, and ResearchGate, to understand the relative value of the available antibiotic removal methods. The predominant techniques for eliminating antibiotic residues from wastewater were categorized and defined by example. The approaches were contrasted, and the benefits and drawbacks were highlighted. Additionally, we included a few antibiotics whose removal from aquatic environments has been the subject of extensive research. Lastly, a few representative publications were identified that provide specific information on the removal rates attained by each technique. This review provides evidence that biosorption of antibiotic residues from biological waste using natural biosorbent materials is an affordable and effective technique for eliminating antibiotic residues from wastewater.
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Affiliation(s)
- Barkha Madhogaria
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Sangeeta Banerjee
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
- Department of Chemistry, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Atreyee Kundu
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Prasanta Dhak
- Department of Chemistry, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
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5
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Yazdanbakhsh A, Behzadi A, Moghaddam A, Salahshoori I, Khonakdar HA. Mechanisms and factors affecting the removal of minocycline from aqueous solutions using graphene-modified resorcinol formaldehyde aerogels. Sci Rep 2023; 13:22771. [PMID: 38123653 PMCID: PMC10733296 DOI: 10.1038/s41598-023-50125-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023] Open
Abstract
In recent years, concerns about the presence of pharmaceutical compounds in wastewater have increased. Various types of residues of tetracycline family antibiotic compounds, which are widely used, are found in environmental waters in relatively low and persistent concentrations, adversely affecting human health and the environment. In this study, a resorcinol formaldehyde (RF) aerogel was prepared using the sol-gel method at resorcinol/catalyst ratio of 400 and resorcinol/water ratio of 2 and drying at ambient pressure for removing antibiotics like minocycline. Next, RF aerogel was modified with graphene and to increase the specific surface area and porosity of the modified sample and to form the graphene plates without compromising the interconnected porous three-dimensional structure of the aerogel. Also, the pores were designed according to the size of the minocycline particles on the meso- and macro-scale, which bestowed the modified sample the ability to remove a significant amount of the minocycline antibiotic from the aqueous solution. The removal percentage of the antibiotic obtained by UV-vis spectroscopy. Ultimately, the performance of prepared aerogels was investigated under various conditions, including adsorbent doses (4-10 mg), solution pHs (2-12), contact times of the adsorbent with the adsorbate (3-24 h), and initial concentration of antibiotic (40-100 mg/l). The results from the BET test demonstrated that the surface area of the resorcinol formaldehyde aerogel sample, which included 1 wt% graphene (RF-G1), exhibited an augmentation in comparison to the surface area of the pure aerogel. Additionally, it was noted that the removal percentage of minocycline antibiotic for both the unmodified and altered samples was 71.6% and 92.1% at the optimal pH values of 4 and 6, respectively. The adsorption capacity of pure and modified aerogel for the minocycline antibiotic was 358 and 460.5 mg/g, respectively. The adsorption data for the modified aerogel was studied by the pseudo-second-order model and the results obtained from the samples for antibiotic adsorption with this model revealed a favorable fit, which indicated that the chemical adsorption in the rapid adsorption of the antibiotic by the modified aerogel had occurred.
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Affiliation(s)
| | - Alireza Behzadi
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Armaghan Moghaddam
- Department of Polymer Science, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Iman Salahshoori
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Hossein Ali Khonakdar
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran.
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Singh S, Singh L, Kumar V, Ali W, Ramamurthy PC, Singh Dhanjal D, Sivaram N, Angurana R, Singh J, Chandra Pandey V, Khan NA. Algae-based approaches for Holistic wastewater management: A low-cost paradigm. CHEMOSPHERE 2023; 345:140470. [PMID: 37858768 DOI: 10.1016/j.chemosphere.2023.140470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/22/2023] [Accepted: 10/15/2023] [Indexed: 10/21/2023]
Abstract
Aquatic algal communities demonstrated their appeal for diverse industrial applications due to their vast availability, ease of harvest, lower production costs, and ability to biosynthesize valuable molecules. Algal biomass is promising because it can multiply in water and on land. Integrated algal systems have a significant advantage in wastewater treatment due to their ability to use phosphorus and nitrogen, simultaneously accumulating heavy metals and toxic substances. Several species of microalgae have adapted to thrive in these harsh environmental circumstances. The potential of algal communities contributes to achieving the United Nations' sustainable development goals in improving aquaculture, combating climate change, reducing carbon dioxide (CO2) emissions, and providing biomass as a biofuel feedstock. Algal-based biomass processing technology facilitates the development of a circular bio-economy that is both commercially and ecologically viable. An integrated bio-refinery process featuring zero waste discharge could be a sustainable solution. In the current review, we will highlight wastewater management by algal species. In addition, designing and optimizing algal bioreactors for wastewater treatment have also been incorporated.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bengaluru, Karnataka, 560012, India
| | - Lav Singh
- Department of Botany, University of Lucknow, Uttar Pradesh, India
| | - Vijay Kumar
- Department of Chemistry, CCRAS-CARI, Jhansi, U.P., 284003, India
| | - Wahid Ali
- Department of Chemical Engineering Technology, College of Applied Industrial Technology (CAIT), Jazan University, Kingdom of Saudi Arabia
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bengaluru, Karnataka, 560012, India.
| | - Daljeet Singh Dhanjal
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Nikhita Sivaram
- Department of Civil, Construction and Environmental Engineering, North Carolina State University, USA
| | - Ruby Angurana
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Joginder Singh
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India; Department of Botany, Nagaland University, Lumami, Nagaland 798627, India
| | - Vimal Chandra Pandey
- CSIR-National Botanical Research Institute Lucknow, 226001, Uttar Pradesh, India.
| | - Nadeem A Khan
- Interdisciplinary Research Centre for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
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7
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Papaioannou C, Geladakis G, Kommata V, Batargias C, Lagoumintzis G. Insights in Pharmaceutical Pollution: The Prospective Role of eDNA Metabarcoding. TOXICS 2023; 11:903. [PMID: 37999555 PMCID: PMC10675236 DOI: 10.3390/toxics11110903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/30/2023] [Accepted: 11/02/2023] [Indexed: 11/25/2023]
Abstract
Environmental pollution is a growing threat to natural ecosystems and one of the world's most pressing concerns. The increasing worldwide use of pharmaceuticals has elevated their status as significant emerging contaminants. Pharmaceuticals enter aquatic environments through multiple pathways related to anthropogenic activity. Their high consumption, insufficient waste treatment, and the incapacity of organisms to completely metabolize them contribute to their accumulation in aquatic environments, posing a threat to all life forms. Various analytical methods have been used to quantify pharmaceuticals. Biotechnology advancements based on next-generation sequencing (NGS) techniques, like eDNA metabarcoding, have enabled the development of new methods for assessing and monitoring the ecotoxicological effects of pharmaceuticals. eDNA metabarcoding is a valuable biomonitoring tool for pharmaceutical pollution because it (a) provides an efficient method to assess and predict pollution status, (b) identifies pollution sources, (c) tracks changes in pharmaceutical pollution levels over time, (d) assesses the ecological impact of pharmaceutical pollution, (e) helps prioritize cleanup and mitigation efforts, and (f) offers insights into the diversity and composition of microbial and other bioindicator communities. This review highlights the issue of aquatic pharmaceutical pollution while emphasizing the importance of using modern NGS-based biomonitoring actions to assess its environmental effects more consistently and effectively.
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Affiliation(s)
- Charikleia Papaioannou
- Department of Biology, University of Patras, 26504 Patras, Greece; (C.P.); (G.G.); (V.K.)
| | - George Geladakis
- Department of Biology, University of Patras, 26504 Patras, Greece; (C.P.); (G.G.); (V.K.)
| | - Vasiliki Kommata
- Department of Biology, University of Patras, 26504 Patras, Greece; (C.P.); (G.G.); (V.K.)
| | - Costas Batargias
- Department of Biology, University of Patras, 26504 Patras, Greece; (C.P.); (G.G.); (V.K.)
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8
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Dhaka V, Singh S, Ramamurthy PC, Samuel J, Swamy Sunil Kumar Naik T, Khasnabis S, Prasad R, Singh J. Biological degradation of polyethylene terephthalate by rhizobacteria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:116488-116497. [PMID: 35460002 DOI: 10.1007/s11356-022-20324-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
In view of the growing demand for plastic products, an enormous proportion of plastic waste causing the biological issue is produced. Plants in collaboration with their rhizobacteria partners are also exposed to these contaminants. The study aims to determine the rhizobacterial ability to biodegrade PET plastic. We isolated the rhizobacteria capable of degrading the PET plastic in minimal salt media using it as a sole carbon source. The three rhizospheric isolates, namely Priestia aryabhattai VT 3.12 (GenBank accession No. OK135732.1), Bacillus pseudomycoides VT 3.15 (GenBank accession No. OK135733.1), and Bacillus pumilus VT 3.16 (GenBank accession No. OK1357324.1), showed the highest degradation percentage for PET sheet and powder. The biodegradation end products post 28 days for PET sheet and 18 days of PET powder were studied by Fourier transform infrared spectroscopy (FTIR), high-performance liquid chromatography (HPLC), and scanning electron microscopy (SEM). Our results showed significant biodegradation of PET plastic, and the rate of degradation could account for over 65%. The present study proves soil rhizobacteria's potential and capabilities for efficient degradation of PET plastic occurring at the waste sites. It also implies that rhizobacteria could be beneficial in the remediation of PET waste in future applications.
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Affiliation(s)
- Vaishali Dhaka
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, 56001, Bangalore, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, 56001, Bangalore, India
| | - Jastin Samuel
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India
- Waste Valorization Research Lab, Lovely Professional University, Phagwara, 144411, Punjab, India
| | | | - Sutripto Khasnabis
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Ram Prasad
- Department of Botany, Mahatma Gandhi Central University, Motihari, 845401, Bihar, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India.
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G V, Singh S, Kaul N, Ramamurthy PC, Naik T, Viswanath R, Kumar V, Bhojya Naik HS, A P, H A AK, Singh J, Khan NA. Green synthesis of nickel-doped magnesium ferrite nanoparticles via combustion for facile microwave-assisted optical and photocatalytic applications. ENVIRONMENTAL RESEARCH 2023; 235:116598. [PMID: 37451577 DOI: 10.1016/j.envres.2023.116598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/02/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
NixMg1-xFe2O4(x = 0, 0.2, 0.4, 0.6) nanoparticles were symphonized via combustion with microwave assistance in the presence of Tamarindus indica seeds extract as fuel. Nanoparticles nature, size, morphology, oxidation state, elemental composition, and optical and luminescence properties were analysed using PXRD, FTIR, SEM, EDX, and HRTEM with SAED, XPS, UV-Visible and photoluminescence spectroscopy. PXRD analysis confirms that synthesized nanoparticles are spinel cubic and have a 17-18 nm average crystalline size. Tetrahedral and octahedral sites regarding stretching vibrations were confirmed by FTIR analysis. SEM and HRTEM data it is disclosed that the morphology of synthesized nanoparticles has nano flakes-like structure with sponge-like agglomeration. Elemental compositions of prepared nanoparticles were confirmed through EDX spectroscopy. XPS Spectroscopy confirmed and revealed transition, oxidation states, and elemental composition. The band gap and absorption phenomenon were disclosed using UV-visible spectroscopy, where the band gap declines (2.1, 2, 1.6, 1.8 eV), with increase in nickel NixMg1-xFe2O4(x = 0, 0.2, 0.4, 0.6) doping. Photoluminescence intensity reduces with an incline in nickel doping, was confirmed and disclosed using photoluminescence spectroscopy. Dyes (Methylene blue and Rhodamine B) degradation activity was performed in the presence of NDMF nanoparticles as a photocatalyst, which disclosed that 98.1% of MB dye and 97.9% of RB dye were degraded in 0-120 min. Regarding initial dye concentration and catalyst load, 5 ppm was initiated as the ideal initial concentration for both RB and MB dyes. 50 mg catalyst dosage was found to be most effective for the degradation of MB and RB dyes. In comparison, pH studies revealed that photodegradation efficiency was higher in neutral (MB-98.1%, RB-97.9%) and basic (MB-99.6%, RB-99.3%) conditions than in acidic (MB-61.8%, RB-60.4%) conditions.
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Affiliation(s)
- Vishnu G
- Department of P.G. Studies and Research in Industrial Chemistry, Kuvempu University, Jnanasahyadri, Shankaraghatta, 577451, Karnataka, India
| | - Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - Noyonika Kaul
- Sharda University, Knowledge Park 3, Greater Noida, 201310, Uttar Pradesh, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - Tssk Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - R Viswanath
- Department of P.G. Studies and Research in Industrial Chemistry, Kuvempu University, Jnanasahyadri, Shankaraghatta, 577451, Karnataka, India
| | - Vijay Kumar
- Central Ayurveda Research Institute, C.C.R.A.S., Govt. of India, Jhansi, Uttar Pradesh, 284003, India
| | - H S Bhojya Naik
- Department of P.G. Studies and Research in Industrial Chemistry, Kuvempu University, Jnanasahyadri, Shankaraghatta, 577451, Karnataka, India.
| | - Prathap A
- Department of P.G. Studies and Research in Industrial Chemistry, Kuvempu University, Jnanasahyadri, Shankaraghatta, 577451, Karnataka, India
| | - Anil Kumara H A
- Department of P.G. Studies and Research in Chemistry, Sahyadri Science College, Kuvempu University, Shimoga, 577203, Karnataka, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Nadeem A Khan
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
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10
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Tee WT, Loh NYL, Hiew BYZ, Show PL, Hanson S, Gan S, Lee LY. Evaluation of adsorption performance and mechanisms of a highly effective 3D boron-doped graphene composite for amitriptyline pharmaceutical removal. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118363. [PMID: 37413724 DOI: 10.1016/j.jenvman.2023.118363] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 04/25/2023] [Accepted: 06/07/2023] [Indexed: 07/08/2023]
Abstract
Three-dimensional heteroatom-doped graphene presents a state-of-the-art approach for effective remediation of pharmaceutical wastewater on account of its distinguished adsorption and physicochemical attributes. Amitriptyline is an emerging tricyclic antidepressant pollutant posing severe risks to living habitats through water supply and food chain. With ultra-large surface area and plentiful chemical functional groups, graphene oxide is a favorable adsorbent for decontaminating polluted water. Herein, a new boron-doped graphene oxide composite reinforced with carboxymethyl cellulose was successfully developed via solution-based synthesis. Characterization study revealed that the adsorbent was formed by graphene sheets intertwined into a porous network and engrafted with 13.37 at% of boron. The adsorbent has a zero charge at pH 6 and contained various chemical functional groups favoring the attachment of amitriptyline. It was also found that a mere 10 mg of adsorbent was able to achieve relatively high amitriptyline removal (89.31%) at 50 ppm solution concentration and 30 °C. The amitriptyline adsorption attained equilibrium within 60 min across solution concentrations ranging from 10 to 300 ppm. The kinetic and equilibrium of amitriptyline adsorption were well correlated to the pseudo-second-order and Langmuir models, respectively, portraying the highest Langmuir adsorption capacity of 737.4 mg/g. Notably, the predominant mechanism was chemisorption assisted by physisorption that contributed to the outstanding removal of amitriptyline. The saturated adsorbent was sufficiently regenerated using ethanol eluent. The results highlighted the impressive performance of the as-synthesized boron-doped adsorbent in treating amitriptyline-containing waste effluent.
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Affiliation(s)
- Wan Ting Tee
- Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia
| | - Nicholas Yung Li Loh
- Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia; Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo 315100, China
| | - Billie Yan Zhang Hiew
- School of Engineering and Physical Sciences, Heriot-Watt University Malaysia, 62200 Putrajaya, Malaysia
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia; Department of Chemical Engineering, Khalifa University, P. O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Svenja Hanson
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo 315100, China
| | - Suyin Gan
- Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia
| | - Lai Yee Lee
- Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga, 43500 Semenyih, Selangor, Malaysia.
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Al-Sareji OJ, Meiczinger M, Al-Juboori RA, Grmasha RA, Andredaki M, Somogyi V, Idowu IA, Stenger-Kovács C, Jakab M, Lengyel E, Hashim KS. Efficient removal of pharmaceutical contaminants from water and wastewater using immobilized laccase on activated carbon derived from pomegranate peels. Sci Rep 2023; 13:11933. [PMID: 37488185 PMCID: PMC10366155 DOI: 10.1038/s41598-023-38821-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/15/2023] [Indexed: 07/26/2023] Open
Abstract
In this study, pomegranate peels (PPs) as an abundant fruit processing waste was used to produce cost-effective, eco-friendly, and high-quality activated carbon. The produced carbon (fossil free activated carbon) was used for immobilizing laccase to remove a range of emerging pollutants namely diclofenac, amoxicillin, carbamazepine, and ciprofloxacin from water and wastewater. The loaded activated carbon by laccase (LMPPs) and the unloaded one (MPPs) were characterized using advanced surface chemistry analysis techniques. MPPs was found to have a porous structure with a large surface area and an abundance of acidic functional groups. Laccase immobilization reduced surface area but added active degradation sites. The optimal immobilization parameters were determined as pH 4, 35 °C, and a laccase concentration of 2.5 mg/mL resulting in a 69.8% immobilization yield. The adsorption of the emerging pollutant onto MPPs is best characterized as a spontaneous endothermic process that adheres to the Langmuir isotherm and first-order kinetics. Using synergistic adsorption and enzymatic degradation, the target pollutants (50 mg/L) were eliminated in 2 h. In both water types, LMPPs outperformed MPPs. This study shows that pomegranate peels can effectively be harnessed as an enzyme carrier and adsorbent for the removal of emerging pollutants even from a complex sample matrix. The removal of contaminants from wastewater lasted five cycles, whereas it continued up to six cycles for water.
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Affiliation(s)
- Osamah J Al-Sareji
- Sustainability Solutions Research Lab, Faculty of Engineering, University of Pannonia, Egyetem str. 10, Veszprém, 8200, Hungary.
- Environmental Research and Studies Center, University of Babylon, Al-Hillah, Babylon, Iraq.
| | - Mónika Meiczinger
- Sustainability Solutions Research Lab, Faculty of Engineering, University of Pannonia, Egyetem str. 10, Veszprém, 8200, Hungary
| | - Raed A Al-Juboori
- NYUAD Water Research Center, New York University-Abu Dhabi Campus, P.O. Box 129188, Abu Dhabi, United Arab Emirates
- Water and Environmental Engineering Research Group, Department of Built Environment, Aalto University, Aalto, P.O. Box 15200, 00076, Espoo, Finland
| | - Ruqayah Ali Grmasha
- Environmental Research and Studies Center, University of Babylon, Al-Hillah, Babylon, Iraq
- Research Group of Limnology, Faculty of Engineering, Center for Natural Science, University of Pannonia, Egyetem u. 10, Veszprém, 8200, Hungary
| | - Manolia Andredaki
- School of Civil Engineering and Built Environment, Liverpool John Moores University, Liverpool, UK
| | - Viola Somogyi
- Sustainability Solutions Research Lab, Faculty of Engineering, University of Pannonia, Egyetem str. 10, Veszprém, 8200, Hungary
| | - Ibijoke A Idowu
- School of Civil Engineering and Built Environment, Liverpool John Moores University, Liverpool, UK
| | - Csilla Stenger-Kovács
- Research Group of Limnology, Faculty of Engineering, Center for Natural Science, University of Pannonia, Egyetem u. 10, Veszprém, 8200, Hungary
- ELKH-PE Limnoecology Research Group, Egyetem utca 10, Veszprém, 8200, Hungary
| | - Miklós Jakab
- Department of Materials Sciences and Engineering, Research Centre of Engineering Sciences, University of Pannonia, P.O. Box 158, Veszprém, 8201, Hungary
| | - Edina Lengyel
- Research Group of Limnology, Faculty of Engineering, Center for Natural Science, University of Pannonia, Egyetem u. 10, Veszprém, 8200, Hungary
- ELKH-PE Limnoecology Research Group, Egyetem utca 10, Veszprém, 8200, Hungary
| | - Khalid S Hashim
- School of Civil Engineering and Built Environment, Liverpool John Moores University, Liverpool, UK
- Department of Environmental Engineering, College of Engineering, University of Babylon, Al-Hillah, Babylon, Iraq
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12
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Nkoh JN, Oderinde O, Etafo NO, Kifle GA, Okeke ES, Ejeromedoghene O, Mgbechidinma CL, Oke EA, Raheem SA, Bakare OC, Ogunlaja OO, Sindiku O, Oladeji OS. Recent perspective of antibiotics remediation: A review of the principles, mechanisms, and chemistry controlling remediation from aqueous media. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163469. [PMID: 37061067 DOI: 10.1016/j.scitotenv.2023.163469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/08/2023] [Accepted: 04/08/2023] [Indexed: 06/01/2023]
Abstract
Antibiotic pollution is an ever-growing concern that affects the growth of plants and the well-being of animals and humans. Research on antibiotics remediation from aqueous media has grown over the years and previous reviews have highlighted recent advances in antibiotics remediation technologies, perspectives on antibiotics ecotoxicity, and the development of antibiotic-resistant genes. Nevertheless, the relationship between antibiotics solution chemistry, remediation technology, and the interactions between antibiotics and adsorbents at the molecular level is still elusive. Thus, this review summarizes recent literature on antibiotics remediation from aqueous media and the adsorption perspective. The review discusses the principles, mechanisms, and solution chemistry of antibiotics and how they affect remediation and the type of adsorbents used for antibiotic adsorption processes. The literature analysis revealed that: (i) Although antibiotics extraction and detection techniques have evolved from single-substrate-oriented to multi-substrates-oriented detection technologies, antibiotics pollution remains a great danger to the environment due to its trace level; (ii) Some of the most effective antibiotic remediation technologies are still at the laboratory scale. Thus, upscaling these technologies to field level will require funding, which brings in more constraints and doubts patterning to whether the technology will achieve the same performance as in the laboratory; and (iii) Adsorption technologies remain the most affordable for antibiotic remediation. However, the recent trends show more focus on developing high-end adsorbents which are expensive and sometimes less efficient compared to existing adsorbents. Thus, more research needs to focus on developing cheaper and less complex adsorbents from readily available raw materials. This review will be beneficial to stakeholders, researchers, and public health professionals for the efficient management of antibiotics for a refined decision.
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Affiliation(s)
- Jackson Nkoh Nkoh
- Department of Chemistry, University of Buea, P.O. Box 63, Buea, Cameroon; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing, China; Organization of African Academic Doctors (OAAD), Off Kamiti Road, P.O. Box 25305000100, Nairobi, Kenya
| | - Olayinka Oderinde
- Department of Chemistry, Faculty of Natural and Applied Sciences, Lead City University, Ibadan, Nigeria.
| | - Nelson Oshogwue Etafo
- Programa de Posgrado en Ciencia y Tecnología de Materiales, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Ing. J. Cárdenas Valdez S/N Republica, 25280 Saltillo, Coahuila, Mexico
| | - Ghebretensae Aron Kifle
- Organization of African Academic Doctors (OAAD), Off Kamiti Road, P.O. Box 25305000100, Nairobi, Kenya; Institute of Environmental Pollution and Health, School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China; Department of Chemistry, Mai Nefhi College of Science, National Higher Education and Research Institute, Asmara 12676, Eritrea
| | - Emmanuel Sunday Okeke
- Organization of African Academic Doctors (OAAD), Off Kamiti Road, P.O. Box 25305000100, Nairobi, Kenya; Department of Biochemistry, Faculty of Biological Science & Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria; Institute of Environmental Health and Ecological Security, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Onome Ejeromedoghene
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, Jiangsu Province 211189, PR China
| | - Chiamaka Linda Mgbechidinma
- School of Life Sciences, Centre for Cell and Development Biology and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China; Department of Microbiology, University of Ibadan, Ibadan, Oyo State 200243, Nigeria
| | - Emmanuel A Oke
- Department of Chemistry, Veer Narmad South Gujarat University, Surat 395007, India
| | - Saheed Abiola Raheem
- Department of Applied and Environmental Chemistry, University of Szeged, Szeged, Hungary
| | - Omonike Christianah Bakare
- Department of Biological Sciences, Faculty of Natural and Applied Sciences, Lead City University, Ibadan, Nigeria
| | - Olumuyiwa O Ogunlaja
- Department of Chemical Sciences, Faculty of Natural and Applied Sciences, Lead City University, Ibadan, Nigeria
| | - Omotayo Sindiku
- Department of Biological Sciences, Faculty of Natural and Applied Sciences, Lead City University, Ibadan, Nigeria
| | - Olatunde Sunday Oladeji
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria
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13
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Singh S, Naik TSSK, Uppara B, Narasimhappa P, Varshney R, Chauhan V, Shehata N, Thamaraiselvan C, Subramanian S, Singh J, Khan NA, Zahmatkesh S, Singh L, Ramamurthy PC. Novel and sustainable green sulfur-doped carbon nanospheres via hydrothermal process for Cd (II) ion removal. CHEMOSPHERE 2023; 328:138533. [PMID: 37004819 DOI: 10.1016/j.chemosphere.2023.138533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/13/2023] [Accepted: 03/26/2023] [Indexed: 06/19/2023]
Abstract
Herein, the synthesis, characterization, and adsorption performance of a novel green sulfur-doped carbon nanosphere (S-CNs) is studied to eliminate Cd (II) ions from water effectively. S-CNs were characterized using different techniques including Raman spectroscopy, powder X-ray diffraction (PXRD), scanning electron microscopy (SEM) with energy dispersive X-ray analysis (EDX), , Brunauer-Emmett-Teller (BET) specific surface area analysis and Fourier transform infrared spectrophotometry (FT-IR), were performed. The efficient adsorption of the Cd (II) ions onto S-CNs strongly depended on pH, initial concentration of Cd (II) ions, S-CNs dosage, and temperature. Four isotherm models (Langmuir, Freundlich, Temkin & Redlich Peterson) were tested for modeling. Out of four, Langmuir showed more applicability than the other three models, with a Qmax value of 242.72 mg/g. Kinetic modeling studies suggest a superior fit of the obtained experimental data with the Elovich equation (linear) and pseudo-second-order (non-linear) rather than other linear and non-linear models. Data obtained from thermodynamic modeling indicates that using S-CNs for Cd (II) ions adsorption is a spontaneous and endothermic . The current work recommends using better and recyclable S-CNs to uptake excess Cd (II) ions.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - T S S K Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Basavaraju Uppara
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Pavithra Narasimhappa
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - R Varshney
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - V Chauhan
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - N Shehata
- Department of Environmental Science and Industrial Development, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Egypt
| | - C Thamaraiselvan
- Inter Disciplinary Centre for Energy Research (ICER), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - S Subramanian
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Nadeem A Khan
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Sasan Zahmatkesh
- Tecnologico de Monterrey, Escuela de Ingenieríay Ciencias, Puebla, Mexico
| | - Lakhveer Singh
- Department of Chemistry, Sardar Patel University, Mandi, 175001, Himachal Pradesh, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India.
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14
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Singh S, N P, Naik TSSK, Basavaraju U, Thamaraiselvan C, Behera SK, Kour R, Dwivedi P, Subramanian S, Khan NA, Singh J, Ramamurthy PC. Removal of Pb ions using green Co 3O 4 nanoparticles: Simulation, modeling, adsorption, and biological studies. ENVIRONMENTAL RESEARCH 2023; 222:115335. [PMID: 36693464 DOI: 10.1016/j.envres.2023.115335] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/27/2022] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
Chemical co-precipitation synthesized novel and green cobalt-oxide nanoparticles (Co3O4-NPs) utilizing cobalt nitrate as cobalt precursors. FTIR, Raman, scanning electron microscopy, UV visible, X-ray powder diffraction, and BET was used to analyze the surface characteristics, composition, and morphology, of the NPs. These green Co3O4-NPs were employed to remove Pb ions from simulated wastewater solutions at various pH, adsorbate, temperature, and dose concentrations. At dose 20 mg/L, pH 6.0, 20 mg/L (Pb(II) solution, 25 °C of temperature, and 45 min for equilibrium, nearly 99.44% of Pb ions were removed. To evaluate the kinetic data, four different kinetic equations were used. The data fit the Elovich rate equation better than the other three models. Thermodynamic and isothermal studies were also evaluated, and the maximum adsorption capacity of 450.45 mg/g was observed at 298.15 K. 0.1 M HNO3, and 0.1 HCl were used to regenerate used Co3O4-NPs. Simulation results show the strong correlation of the Co atom in the Co3O4-NPs generates active delocalized surface states, which are energetically most favorable for heavy metal (Pb ions) adsorption and removal, supporting the experimental outcomes. In concluding remarks, green Co3O4-NPs can also be used as an adsorbent to remove Pb ions from wastewater bodies.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Pavithra N
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - T S S K Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - U Basavaraju
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - C Thamaraiselvan
- Inter Disciplinary Centre for Energy Research (ICER), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - S K Behera
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Retinder Kour
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Padmanabh Dwivedi
- Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221 005, India
| | - S Subramanian
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Nadeem A Khan
- Department of Civil Engineering, Mewat Engineering College, Nuh, Haryana, 122107, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India.
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15
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Naji MA, Salimi-Kenari H, Alsalhy QF, Al-Juboori RA, Huynh N, Rashid KT, Salih IK. Novel MXene-Modified Polyphenyl Sulfone Membranes for Functional Nanofiltration of Heavy Metals-Containing Wastewater. MEMBRANES 2023; 13:357. [PMID: 36984744 PMCID: PMC10052984 DOI: 10.3390/membranes13030357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
In this work, MXene as a hydrophilic 2D nanosheet has been suggested to tailor the polyphenylsulfone (PPSU) flat sheet membrane characteristics via bulk modification. The amount of MXene varied in the PPSU casting solution from 0-1.5 wt.%, while a series of characterization tools have been employed to detect the surface characteristics changes. This included atomic force microscopy (AFM), scanning electron microscopy (SEM), contact angle, pore size and porosity, and Fourier-transform infrared spectroscopy (FTIR). Results disclosed that the MXene content could significantly influence some of the membranes' surface characteristics while no effect was seen on others. The optimal MXene content was found to be 0.6 wt.%, as revealed by the experimental work. The roughness parameters of the 0.6 wt.% nanocomposite membrane were notably enhanced, while greater hydrophilicity has been imparted compared to the nascent PPSU membrane. This witnessed enhancement in the surface characteristics of the nanocomposite was indeed reflected in their performance. A triple enhancement in the pure water flux was witnessed without compromising the retention of the membranes against the Cu2+, Cd2+ and Pd2+ feed. In parallel, high, and comparable separation rates (>92%) were achieved by all membranes regardless of the MXene content. In addition, promising antifouling features were observed with the nanocomposite membranes, disclosing that these nanocomposite membranes could offer a promising potential to treat heavy metals-containing wastewater for various applications.
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Affiliation(s)
- Mohammed Azeez Naji
- Faculty of Engineering and Technology, University of Mazandaran, Babolsar 4741613534, Iran
| | - Hamed Salimi-Kenari
- Faculty of Engineering and Technology, University of Mazandaran, Babolsar 4741613534, Iran
| | - Qusay F. Alsalhy
- Membrane Technology Research Unit, Chemical Engineering Department, University of Technology-Iraq, Alsinaa Street 52, Baghdad 10066, Iraq
| | - Raed A. Al-Juboori
- NYUAD Water Research Centre, New York University Abu Dhabi Campus, Abu Dhabi P.O. Box 129188, United Arab Emirates
| | - Ngoc Huynh
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 11000, Aalto, FI-00076 Espoo, Finland
| | - Khalid T. Rashid
- Membrane Technology Research Unit, Chemical Engineering Department, University of Technology-Iraq, Alsinaa Street 52, Baghdad 10066, Iraq
| | - Issam K. Salih
- Department of Chemical Engineering and Petroleum Industries, AlMustaqbal University College, Babylon 51001, Iraq
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16
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Singh S, Naik TSSK, Thamaraiselvan C, Behera SK, N P, Nath B, Dwivedi P, Singh J, Ramamurthy PC. Applicability of new sustainable and efficient green metal-based nanoparticles for removal of Cr(VI): Adsorption anti-microbial, and DFT studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121105. [PMID: 36682618 DOI: 10.1016/j.envpol.2023.121105] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 01/02/2023] [Accepted: 01/16/2023] [Indexed: 06/17/2023]
Abstract
Artemisia absinthium leaves were utilized as a reducing agent for green synthesis of Zinc oxide nanoparticles (particle size 17 nm). Synthesized green-ZnO (g-ZnO) were characterized by SEM/EDX, FTIR, XRD, UV, and BET analyses and then further used as an adsorbent to remove Cr(VI) ions from simulated wastewater. Optimal pH, temperature and adsorbent dosage were determined through batch mode studies. High removal efficiency and adsorption capacity were observed at pH 4, 0.25 g L-1 dosage, and 25 mg L-1 concentration of Cr(VI). Experimental data were modelled with different adsorption kinetics (Elovich model, PFO, PSO, IDP model) and isotherms (Langmuir, Freundlich, and Temkin), and it was found the adsorption process was well fitted to Langmuir with an R2 value greater than>0.99. Computational calculation showed that the g-ZnO nanoparticles became ∼14 times more dynamic with delocalized surface states making them a relevant platform to adsorb Cr with greater work function compatibility supporting the experimental findings. The Qmax adsorption capacity of g-ZnO was 315.46 mg g-1 from Langmuir calculations. Thermodynamic calculations reveal that the Cr (VI) adsorption process was spontaneous and endothermic, with a positive ΔS value representing the disorder at the solid-solution interface during the adsorption. In addition, the present study has demonstrated that these g-ZnO nanoparticles show strong antibacterial activities against P. aeruginosa (MTCC 1688) and E. coli (MTCC 1687). Also, the novel g-ZnO adsorbent capacity to remove Cr(VI) from simulated water revealed that it could be reused at least six times with higher removal rates during regeneration experiments. The results obtained from adsorption and antimicrobial activities suggest that g-ZnO nanoparticles could be used effectively in real-time wastewater and agricultural safety applications.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 56001, India
| | - T S S K Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 56001, India
| | - C Thamaraiselvan
- Inter Disciplinary Centre for Energy Research (ICER), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - S K Behera
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 56001, India
| | - Pavithra N
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 56001, India
| | - Bidisha Nath
- Inter Disciplinary Centre for Energy Research (ICER), Indian Institute of Science, Bangalore, 560012, Karnataka, India
| | - P Dwivedi
- Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221 005, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 56001, India.
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Karadağ Memiş S, Ermiş E, Özcan AS. Drug removal and release studies of mesoporous and modified silica. SEP SCI TECHNOL 2023. [DOI: 10.1080/01496395.2023.2172585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Selin Karadağ Memiş
- Department of Chemistry, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
| | - Emel Ermiş
- Department of Chemistry, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
| | - Asiye Safa Özcan
- Department of Chemistry, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
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18
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de Oliveira MP, Schnorr C, da Rosa Salles T, da Silva Bruckmann F, Baumann L, Muller EI, da Silva Garcia WJ, de Oliveira AH, Silva LFO, Rhoden CRB. Efficient Uptake of Angiotensin-Converting Enzyme II Inhibitor Employing Graphene Oxide-Based Magnetic Nanoadsorbents. WATER 2023; 15:293. [DOI: 10.3390/w15020293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
This paper reports a high efficiency uptake of captopril (CPT), employing magnetic graphene oxide (MGO) as the adsorbent. The graphene oxide (GO) was produced through an oxidation and exfoliation method, and the magnetization technique by the co-precipitation method. The nanomaterials were characterized by FTIR, XRD, SEM, Raman, and VSM analysis. The optimal condition was reached by employing GO·Fe3O4 at pH 3.0 (50 mg of adsorbent and 50 mg L−1 of CPT), presenting values of removal percentage and maximum adsorption capacity of 99.43% and 100.41 mg g−1, respectively. The CPT adsorption was dependent on adsorbent dosage, initial concentration of adsorbate, pH, and ionic strength. Sips and Elovich models showed the best adjustment for experimental data, suggesting that adsorption occurs in a heterogeneous surface. Thermodynamic parameters reveal a favorable, exothermic, involving a chemisorption process. The magnetic carbon nanomaterial exhibited a high efficiency after five adsorption/desorption cycles. Finally, the GO·Fe3O4 showed an excellent performance in CPT removal, allowing future application in waste management.
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19
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Singh S, U B, Kumar Naik TSS, Behera SK, Khan NA, Singh J, Singh L, Ramamurthy PC. Graphene oxide-based novel MOF nanohybrid for synergic removal of Pb (II) ions from aqueous solutions: Simulation and adsorption studies. ENVIRONMENTAL RESEARCH 2023; 216:114750. [PMID: 36370821 DOI: 10.1016/j.envres.2022.114750] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 06/16/2023]
Abstract
Heavy metals represent a considerable threat, and the current study deals with synthesizing a novel MOF nanocomposite by intercalating graphene oxide (GO) and linker UiO-66-NDC. It was shown that UiO-66-NDC/GO had enhanced the removal efficiency of Pb (II) ions at pH 6. The adsorption kinetics data followed the PSO (Type 2) representing chemisorption. Adsorption data were also fitted with three different isotherms, namely Temkin, Freundlich, & Langmuir, and the Temkin model exhibited the best correlation (R2 0.99), representing the chemisorption nature of the adsorption process. The maximum adsorption capacity (qmax) of Pb (II) ions using Langmuir was found to be 254.45 mg/g (298 K). The Pb (II) adsorption process was confirmed to be exothermic and spontaneous as the thermodynamic parameters H° and G° were determined to have negative values. MOF nanocomposite also represents significant reusability for up to four regeneration cycles using 0.01 M HCl; for the next four, it works quite efficiently after regeneration. Meanwhile, the simulation findings confirm the superior dynamic stability (∼08 times) of the MOF nanocomposite as compared to the GO system. The removal of Pb (II) from simulated wastewater samples using a super nano-adsorbent using a MOF nanocomposite is described here for the first time.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, India
| | - Basavaraju U
- Department of Materials Engineering, Indian Institute of Science, Bangalore, India
| | - T S Sunil Kumar Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, India
| | - Sushant Kumar Behera
- Department of Materials Engineering, Indian Institute of Science, Bangalore, India
| | - Nadeem A Khan
- Department of Civil Engineering, Mewat Engineering College Nuh, Haryana, 122107, India
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Phagwara, Punjab, India
| | - Lakhveer Singh
- Department of Chemistry, Sardar Patel University, Mandi, Himachal Pradesh, India
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, India.
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Vinayagam R, Quadras M, Varadavenkatesan T, Debraj D, Goveas LC, Samanth A, Balakrishnan D, Selvaraj R. Magnetic activated carbon synthesized using rubber fig tree leaves for adsorptive removal of tetracycline from aqueous solutions. ENVIRONMENTAL RESEARCH 2023; 216:114775. [PMID: 36370812 DOI: 10.1016/j.envres.2022.114775] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/27/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
The current study emphasizes the activated carbon fabrication from rubber fig leaves, the establishment of its composite with iron oxide nanoparticles (RFAC@Fe2O3), and its relevance in the adsorptive elimination of tetracycline. The physical and functional properties of RFAC@Fe2O3 nanocomposite were uncovered by multiple approaches. Elemental analysis portrayed the existence of carbon, oxygen, and iron, while FESEM analysis revealed that Fe2O3 nanoparticle agglomerates were entrenched in the activated carbon matrix rendering it a rough abrasive texture. FT-IR analysis reported the presence of functional groups attributing to CC, -OH, crystalline iron oxide, and Fe-O stretching vibrations, and XRD corroborated graphitic crystalline structure, oxygenated functional groups attached to carbon accompanied by crystalline plane corresponding to Fe2O3 nanoparticles. XPS spectra depicted signature peaks for C, O, and Fe, while VSM studies designated its superparamagnetic nature. The high surface area (662.73 m2/g), pore size (3.12 nm), and mesoporous nature of RFAC@Fe2O3 make it apt for the adsorption of pollutants from contaminated samples. The adsorption of tetracycline (50 ppm) by RFAC@Fe2O3 was maximum at pH 4.0. As the nanocomposite dosage and stirring speed increased to 2.0 g/L and 150 rpm, maximum adsorption was observed due to more active binding sites and improved mixing. Freundlich isotherm along with pseudo-second-order model well described adsorption process divulging that tetracycline was adsorbed onto RFAC@Fe2O3 composite in multi-layers by chemisorption. Thermodynamic analysis signified negative values for ΔG°, while positive values for ΔH° and ΔS were obtained, indicating spontaneous feasible endothermic adsorption.
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Affiliation(s)
- Ramesh Vinayagam
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Melisha Quadras
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Thivaharan Varadavenkatesan
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Devangshi Debraj
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Louella Concepta Goveas
- Nitte (Deemed to Be University), NMAM Institute of Technology (NMAMIT), Department of Biotechnology Engineering, Nitte, Karnataka, 574110, India
| | - Adithya Samanth
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Deepanraj Balakrishnan
- College of Engineering, Prince Mohammad Bin Fahd University, Al-Khobar, 31952, Saudi Arabia
| | - Raja Selvaraj
- Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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21
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Abdelfatah AM, El-Maghrabi N, Mahmoud AED, Fawzy M. Synergetic effect of green synthesized reduced graphene oxide and nano-zero valent iron composite for the removal of doxycycline antibiotic from water. Sci Rep 2022; 12:19372. [PMID: 36371519 PMCID: PMC9652592 DOI: 10.1038/s41598-022-23684-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 11/03/2022] [Indexed: 11/13/2022] Open
Abstract
In this work, the synthesis of an rGO/nZVI composite was achieved for the first time using a simple and green procedure via Atriplex halimus leaves extract as a reducing and stabilizing agent to uphold the green chemistry principles such as less hazardous chemical synthesis. Several tools have been used to confirm the successful synthesis of the composite such as SEM, EDX, XPS, XRD, FTIR, and zeta potential which indicated the successful fabrication of the composite. The novel composite was compared with pristine nZVI for the removal aptitude of a doxycycline antibiotic with different initial concentrations to study the synergistic effect between rGO and nZVI. The adsorptive removal of bare nZVI was 90% using the removal conditions of 25 mg L-1, 25 °C, and 0.05 g, whereas the adsorptive removal of doxycycline by the rGO/nZVI composite reached 94.6% confirming the synergistic effect between nZVI and rGO. The adsorption process followed the pseudo-second order and was well-fitted to Freundlich models with a maximum adsorption capacity of 31.61 mg g-1 at 25 °C and pH 7. A plausible mechanism for the removal of DC was suggested. Besides, the reusability of the rGO/nZVI composite was confirmed by having an efficacy of 60% after six successive cycles of regeneration.
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Affiliation(s)
- Ahmed M. Abdelfatah
- grid.7155.60000 0001 2260 6941Environmental Sciences Department, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt ,grid.7155.60000 0001 2260 6941Green Technology Group, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt
| | - Nourhan El-Maghrabi
- grid.7155.60000 0001 2260 6941Environmental Sciences Department, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt ,grid.7155.60000 0001 2260 6941Green Technology Group, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt
| | - Alaa El Din Mahmoud
- grid.7155.60000 0001 2260 6941Environmental Sciences Department, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt ,grid.7155.60000 0001 2260 6941Green Technology Group, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt
| | - Manal Fawzy
- grid.7155.60000 0001 2260 6941Environmental Sciences Department, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt ,grid.7155.60000 0001 2260 6941Green Technology Group, Faculty of Science, Alexandria University, Alexandria, 21511 Egypt ,grid.423564.20000 0001 2165 2866National Biotechnology Network of Expertise (NBNE), Academy of Scientific Research and Technology (ASRT), Cairo, Egypt
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22
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Singh S, Kumar Naik TSS, Chauhan V, Shehata N, Kaur H, Dhanjal DS, Marcelino LA, Bhati S, Subramanian S, Singh J, Ramamurthy PC. Ecological effects, remediation, distribution, and sensing techniques of chromium. CHEMOSPHERE 2022; 307:135804. [PMID: 35932914 DOI: 10.1016/j.chemosphere.2022.135804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 07/16/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Chromium is detected in most ecosystems due to the increased anthropogenic activities in addition to that developed from natural pollution. Chromium contamination in the food chain results due to its persistent and non-degradable nature. The release of chromium in the ecosystem accretes and thereafter impacts different life forms, including humans, aquatic and terrestrial organisms. Leaching of chromium into the ground and surface water triggers several health ailments, such as dermatitis, eczematous skin, allergic reactions, mucous and skin membrane ulcerations, allergic asthmatic reactions, bronchial carcinoma and gastroenteritis. Physiological and biological treatments for the removal of chromium have been discussed in depth in the present communication. Adsorption and biological treatment methods are proven to be alternatives to chemical removal techniques in terms of cost-effectiveness and low sludge formation. Chromium sensing is an alternative approach for regular monitoring of chromium in different water bodies. This review intended to explore different classes of sensors for chromium monitoring. However, the spectrochemical methods are more sensitive in chromium ions sensing than electrochemical methods. Future study should focus on miniaturization for portability and on-site measurements without requiring a large instrument provides a good aspect for future research.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - T S Sunil Kumar Naik
- Department of Material Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Vishakha Chauhan
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Nabila Shehata
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Harry Kaur
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Roorkee, India
| | - Daljeet Singh Dhanjal
- Department of Microbiology, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Liliana Aguilar Marcelino
- Centro Nacional de Investigación Disciplinariaen Salud Animal e Inocuidad, INIFAP, Jiutepec, Morelos, C.P, 62550, Mexico
| | - Shipra Bhati
- Department of Chemistry, The Oxford College of Engineering, Bangalore, Karnataka, 560068, India
| | - S Subramanian
- Department of Material Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Joginder Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Roorkee, India.
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India.
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23
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Novel insights into Graphene oxide-based adsorbents for remediation of hazardous pollutants from aqueous solutions: A comprehensive review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Mathew AT, Saravanakumar MP. Removal of micropollutants through bio-based materials as a transition to circular bioeconomy: Treatment processes involved, perspectives and bottlenecks. ENVIRONMENTAL RESEARCH 2022; 214:114150. [PMID: 36007569 DOI: 10.1016/j.envres.2022.114150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/10/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
The recent increase in micropollutant levels in water bodies is a growing concern globally. The generation of new materials and techniques for wastewater treatment often involves the release of hazardous wastes and the utilization of energy related to it. This can be resolved by the synthesis of bio-based materials through the use of already released wastes and naturally occurring components, adding their value as reusable resources. These bio-based materials find wide applications for micropollutant elimination and energy tapping due to the presence of various functional groups, large surface area, high stability, and reusability. The processes involved in micropollutant elimination through biomaterials generally include adsorption and degradation. These treatment processes are suggested to depend on various operational parameters like pH, temperature, dose, reaction time, presence of other contaminants, ions, etc. in the system, which may influence the process efficiency. Understanding the potential of bio-based materials many steps can be taken towards its large-scale application to upgrade wastewater treatment plants for micropollutant elimination. Furthermore, the recent advances of bio-based materials in energy storage and conversion have widened its scope for implementation in a circular bioeconomy. The bottlenecks towards such a transition and future recommendations are also presented and discussed.
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Affiliation(s)
- Annu T Mathew
- Department of Environmental and Water Resources Engineering, School of Civil Engineering, VIT, Vellore, Tamil Nadu, 632014, India.
| | - M P Saravanakumar
- Department of Environmental and Water Resources Engineering, School of Civil Engineering, VIT, Vellore, Tamil Nadu, 632014, India.
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25
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A systematic study of arsenic adsorption and removal from aqueous environments using novel graphene oxide functionalized UiO-66-NDC nanocomposites. Sci Rep 2022; 12:15802. [PMID: 36138082 PMCID: PMC9500003 DOI: 10.1038/s41598-022-18959-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 08/23/2022] [Indexed: 11/30/2022] Open
Abstract
This study investigates the removal of As(V) from aqueous media using water stable UiO-66-NDC/GO prepared via the solvothermal procedure. The synthesized material was analyzed by Raman spectroscopy, UV–visible, X-ray powder diffraction (XRD), Transmission electron microscopy (TEM), Fourier Transform Infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), and Brunauer–Emmett–Teller (BET) support its applicability as a super-adsorbent for the adsorption of As(V) ions from aqueous solutions. The effect of various parameters, including initial ion concentration, temperature, adsorbent dose, and pH on the adsorption of As(V) was studied to recognize the optimum adsorption conditions. The qmax obtained for this study using Langmuir isotherms was found at 147.06 mg/g at room temperature. Thermodynamic parameters ΔH°, ΔG°, and ΔS° were also calculated and negative values of ΔG° represent that the As(V) adsorption process occurred exothermically and spontaneously. Meanwhile, theoretical density functional simulation findings are accommodated to support these experimental results. It is observed that the dynamic nature of graphene oxide and the UiO-66 NDC nanocomposite system becomes superior for adsorption studies due to delocalized surface states. UiO-66-NDC/GO also showed high reusability for up four regeneration performances using 0.01 M HCl as a regenerant.
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26
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Shen W, Chen Y, Wang N, Wan P, Peng Z, Zhao H, Wang W, Xiong L, Zhang S, Liu R. Seasonal variability of the correlation network of antibiotics, antibiotic resistance determinants, and bacteria in a wastewater treatment plant and receiving water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 317:115362. [PMID: 35642820 DOI: 10.1016/j.jenvman.2022.115362] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 05/11/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Sewage treatment plants are an essential source of antibiotics, antibiotic resistance determinants, and bacteria in environmental waters. However, it is still unclear whether they can maintain a relatively stable relationship in wastewater and environmental waters. This study analyzed the removal capacity of the above three pollutants in the sewage treatment plant in summer and their impact on environmental waters, and then examines the relationship between the three contaminants in the wastewater and environmental waters in summer and winter based on our previous study. The results found that the removal capacity of bacteria in summer was poor, the concentration of fluoroquinolone in the effluent was higher than that in influent, and the abundance of intI1, tetW, qnrB, and ermB increased after wastewater treatment. Proteobacteria and Bacteroides were the main bacteria that constitute the correlation network between bacteria, and they existed stably in summer and winter. However, fluoroquinolones occupied a significant position in the determinant network of antibiotics and antibiotic resistance in summer and winter. There are fewer correlation between antibiotics and antibiotics resistance determinants in winter. Interestingly, the relationship between bacteria, antibiotics, and antibiotic resistance determinants was a mainly positive correlation in summer and negative correlation in winter. This study analyzed the relationship between bacteria, antibiotics, and antibiotic resistance determinants that were stable in the wastewater and environmental waters and pointed out the direction for subsequent targeted seasonal control of novel pollutants in wastewater and environmental waters.
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Affiliation(s)
- Weitao Shen
- Key Laboratory of Environment Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China; Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Yu Chen
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Ning Wang
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, 219 Ningliu Road, Nanjing, 210044, China
| | - Ping Wan
- Key Laboratory of Environment Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Zhenyan Peng
- Key Laboratory of Environment Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Huajin Zhao
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Wei Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Lilin Xiong
- Department of Environmental Hygiene, Nanjing Center for Disease Control and Prevention, Nanjing, 210042, China
| | - Shenghu Zhang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China.
| | - Ran Liu
- Key Laboratory of Environment Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
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27
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Tóth AJ, Fózer D, Mizsey P, Varbanov PS, Klemeš JJ. Physicochemical methods for process wastewater treatment: powerful tools for circular economy in the chemical industry. REV CHEM ENG 2022. [DOI: 10.1515/revce-2021-0094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In the chemical industry, a typical problem is the appropriate treatment of the process wastewaters. The biological treatment cannot be usually applied because of the high content of organochemical compounds. However, phsycicochemical methods can significantly contribute to the proper treatment of the process wastewater and usually also allows the recovery of the polluting materials. This phenomenon opens the application area of physicochemical methods for the treatment of process wastewater and can contribute not only to the aims of the circular economy but also to the zero liquid discharge. Besides literature studies, authors’ own results and innovations have been also presented. The treatment strategy for pharmaceutical process wastewater is reviewed in detail, which also serves to point out that hybrid methods can be usually efficient to solve the primary goal–maximum recovery and reuse of polluting materials.
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Affiliation(s)
- András József Tóth
- Department of Chemical and Environmental Process Engineering , Budapest University of Technology and Economics , HU 1111, Műegyetem rkp. 3 , Budapest , Hungary
| | - Dániel Fózer
- Division for Sustainability, Department of Technology, Management and Economics , Technical University of Denmark , Produktionstorvet, Building, 424, DK-2800 Kgs , Lyngby , Denmark
| | - Péter Mizsey
- Institute of Chemistry , University of Miskolc , HU 3515, Egyetemváros C/1 108 , Miskolc , Hungary
| | - Petar Sabev Varbanov
- Sustainable Process Integration Laboratory SPIL, NETME Centre, Faculty of Mechanical Engineering , Brno University of Technology VUT Brno , Technická 2896/2, 616 69 , Brno , Czech Republic
| | - Jiří Jaromír Klemeš
- Sustainable Process Integration Laboratory SPIL, NETME Centre, Faculty of Mechanical Engineering , Brno University of Technology VUT Brno , Technická 2896/2, 616 69 , Brno , Czech Republic
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28
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Xu L, Zang J, Cong W, Holton E, Jiang L, Sheppard SK, Wang Y, Wang N, Weeks J, Fu C, Jiang Q, Lambert H, Kasprzyk-Hordern B. Assessment of community-wide antimicrobials usage in Eastern China using wastewater-based epidemiology. WATER RESEARCH 2022; 222:118942. [PMID: 35944410 DOI: 10.1016/j.watres.2022.118942] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/30/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Wastewater-based epidemiology (WBE) has potential to identify the epidemiological links between people, animals, and the environment, as part of antimicrobial resistance (AMR) surveillance. In this study, we investigated six wastewater treatment plants (WWTPs) serving six communities located in two regions in Eastern China: Site A in Zhejiang and site B in Jiangsu province to assess the public use of antimicrobial agents (AA). Fifty antimicrobials and 24 of their metabolites were quantified using ultraperformance liquid chromatography coupled with triple quadrupole tandem mass spectrometry (UPLC-MS/MS). Spatiotemporal trends were established for measured concentrations, daily loads, and population-normalised daily loads. Daily AA mass loads varied between 1.6 g/day and 324.6 g/day reflecting the WWTP scales, with macrolides and β-lactams showing the highest overall environmental burden at 223.7 g/day and 173.7 g/day, respectively. Emissions of antibiotic residues from manufacturing have been observed, with the peak daily load 12-fold higher than the overall load from a community serving a population of over 600,000. Community exposure levels of 225.2 ± 156.2 mg/day/1000 inhabitant and 351.9 ± 133.5 mg/day/1000 inhabitant were recorded in site A and B, respectively. Paired parent-metabolites analysis identified a large proportion (64-78%) of un-metabolised metronidazole and clindamycin at site B, indicating improper disposal of unused drugs either in the community or in livestock production. Consumption levels, calculated via WBE, suggested relatively low antimicrobial usage in Eastern China compared to other areas in China. This first application of WBE in Eastern China to assess the community-wide exposure to AAs has potential to inform regional antimicrobial stewardship.
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Affiliation(s)
- Like Xu
- Department of Chemistry, Faculty of Science, University of Bath, Bath BA2 7AY, UK
| | - Jinxin Zang
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Wenjuan Cong
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Elizabeth Holton
- Department of Chemistry, Faculty of Science, University of Bath, Bath BA2 7AY, UK
| | - Lufang Jiang
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Samuel K Sheppard
- The Milner Centre for Evolution, Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, UK
| | - Yingying Wang
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Na Wang
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China.
| | | | - Chaowei Fu
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Qingwu Jiang
- Key Laboratory of Public Health Safety of Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Helen Lambert
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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29
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Gupta A, Vyas RK, Vyas S. A review on antibiotics pervasiveness in the environment and their removal from wastewater. SEP SCI TECHNOL 2022. [DOI: 10.1080/01496395.2022.2110120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Anju Gupta
- Department of Chemical Engineering, Malaviya National Institute of Technology, Jaipur, India
| | - Raj K. Vyas
- Department of Chemical Engineering, Malaviya National Institute of Technology, Jaipur, India
| | - Sangeeta Vyas
- Department of Chemistry, Swami Keshvanand Institute of Technology Management & Gramothan, Jaipur, India
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30
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Mahmoud ME, Elsayed SM, Mahmoud SELM, Nabil GM, Salam MA. Recent progress of metal organic frameworks-derived composites in adsorptive removal of pharmaceuticals. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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31
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Sánchez-Yepes A, Santos A, Rosas JM, Rodríguez-Mirasol J, Cordero T, Lorenzo D. Regeneration of Granulated Spent Activated Carbon with 1,2,4-Trichlorobenzene Using Thermally Activated Persulfate. Ind Eng Chem Res 2022; 61:9611-9620. [PMID: 35855725 PMCID: PMC9284557 DOI: 10.1021/acs.iecr.2c00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Chlorinated organic
compounds (COCs) are persistent organic pollutants
often found in groundwater near industrial sites or in industrial
wastewaters. Adsorption into activated carbon is a common strategy
to remediate these waters, but spent activated carbon results in a
toxic residue to manage. To avoid the transport of the chlorinated
compounds out of the site, the in-situ regeneration of the spent activated
carbon can be considered for reuse to implement a circular economy.
In this work, the regeneration of a commercial granular activated
carbon (GAC) has been carried out using thermally activated sodium
persulfate (TAP). GAC was previously saturated in 1,2,4-trichlorobenzene
(124-TCB) as the model compound. The initial adsorption value was
350 mg124-TCB·gGAC–1. First, the nonproductive consumption
of sodium persulfate was studied at different temperatures using nonsaturated
GAC. Then, the regeneration of the saturated GAC (5 g) was studied
by an aqueous solution (166 mM) of TAP (1 L) at a temperature range
from 20 to 80 °C. The possible recovery of the adsorption capacity
was studied after 3 h of treatment in three successive adsorption–regeneration
cycles at the selected temperature (60 °C). The physicochemical
changes of the GAC were also investigated before and after the regeneration
treatments. The results evidence the significant deposition of sulfate
on the GAC after each treatment of regeneration, which avoids the
recovery of the initial adsorption capacity. Therefore, each regeneration
cycle was necessarily followed by a washing step at 60 °C to
remove this sulfate. After that, the regeneration treatment achieved
a stable and high recovery of the initial adsorption capacity of about
48.2%.
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Affiliation(s)
- Andrés Sánchez-Yepes
- Departamento de Ingeniería Química y de Materiales, Universidad Complutense de Madrid, Madrid 28040, Spain
| | - Aurora Santos
- Departamento de Ingeniería Química y de Materiales, Universidad Complutense de Madrid, Madrid 28040, Spain
| | - Juana M. Rosas
- Departamento de Ingenierí́a Química, Universidad de Málaga, Andalucia Tech, Campus de Teatinos s/n, 29010 Málaga, Spain
| | - José Rodríguez-Mirasol
- Departamento de Ingenierí́a Química, Universidad de Málaga, Andalucia Tech, Campus de Teatinos s/n, 29010 Málaga, Spain
| | - Tomás Cordero
- Departamento de Ingenierí́a Química, Universidad de Málaga, Andalucia Tech, Campus de Teatinos s/n, 29010 Málaga, Spain
| | - David Lorenzo
- Departamento de Ingeniería Química y de Materiales, Universidad Complutense de Madrid, Madrid 28040, Spain
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Saravanakumar K, SivaSantosh S, Sathiyaseelan A, Naveen KV, AfaanAhamed MA, Zhang X, Priya VV, MubarakAli D, Wang MH. Unraveling the hazardous impact of diverse contaminants in the marine environment: Detection and remedial approach through nanomaterials and nano-biosensors. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128720. [PMID: 35366447 DOI: 10.1016/j.jhazmat.2022.128720] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/28/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Marine pollution is one of the most underlooked forms of pollution as it affects most aquatic lives and public health in the coastal area. The diverse form of the hazardous pollutant in the marine ecosystem leads the serious genetic level disorders and diseases which include cancer, diabetes, arthritis, reproductive, and neurological diseases such as Parkinson's, Alzheimer's, and several microbial infections. Therefore, a recent alarming study on these pollutants, the microplastics have been voiced out in many countries worldwide, it was even found to be in the human placenta. In recent times, nanomaterials have demonstrated their potential in the detection and remediation of sensitive contaminants. In this review, we presented a comprehensive overview of the source, and distribution of diverse marine pollution on both aquatic and human health by summarizing the concentration of diverse pollutions (heavy metals, pesticides, microbial toxins, and micro/nano plastics) in marine samples such as soil, water, and seafood. Followed by emphasizing its ecotoxicological impact on aquatic animal life and coastal public health. Also discussed are the applicability and advancements of nanomaterials and nano-based biosensors in the detection, prevention, and remediation of diverse pollution in the marine ecosystem.
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Affiliation(s)
- Kandasamy Saravanakumar
- Department of Bio-Health convergence, Kangwon National University, Chuncheon 200-701, Republic of Korea.
| | | | - Anbazhagan Sathiyaseelan
- Department of Bio-Health convergence, Kangwon National University, Chuncheon 200-701, Republic of Korea.
| | - Kumar Vishven Naveen
- Department of Bio-Health convergence, Kangwon National University, Chuncheon 200-701, Republic of Korea.
| | - Mohamed Ali AfaanAhamed
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, Tamil Nadu 600048, India.
| | - Xin Zhang
- Department of Bio-Health convergence, Kangwon National University, Chuncheon 200-701, Republic of Korea.
| | - Veeraraghavan Vishnu Priya
- Department of Biochemistry, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India.
| | - Davoodbasha MubarakAli
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, Tamil Nadu 600048, India.
| | - Myeong-Hyeon Wang
- Department of Bio-Health convergence, Kangwon National University, Chuncheon 200-701, Republic of Korea.
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33
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Rathi A, Basu S, Barman S. Efficient eradication of antibiotic and dye by C-dots@zeolite nanocomposites: Performance evaluation, and degraded products analysis. CHEMOSPHERE 2022; 298:134260. [PMID: 35271900 DOI: 10.1016/j.chemosphere.2022.134260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/07/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
Metronidazole (MET), a recalcitrant antibiotic from the nitro-imidazole family and commercially used Rhodamine B (RhB) dye, contributes a huge to water pollution, which needs to eliminate, preferably by photocatalytic degradation technique. The Cdots@zeolite (CDZ) nanocomposites with different weight ratios (1:1, 1:3, 1:5, 5:1, 1:7) were synthesized hydrothermally to degrade MET and RhB molecules. The CDZ composites were characterized by XRD, BET, EDS, and XPS technique which verifies the crystalline nature, incorporation of C-dots into zeolite frameworks with high surface area (∼187 m2/g). The morphology, d-spacing and lattice planes were analyzed by SEM images, HR-TEM and SAED analysis. The maximum degradation (∼79%) was achieved at an optimum catalyst dose of 0.2 g/L and pH 4 for MET and that of RhB was ∼90% at a catalyst dose of 0.4 g/L. The PZC (point of zero charge) value for CDZ composite was about pH 3.4, which justifies the maximum removal of MET at pH 4. The obtained rate constants 'k' were found to be 0.0081, 0.0041, and 0.0101 min-1 in sun, UV, and visible light sources, respectively. The real industrial wastewater sample has been treated to give ∼68% of COD and ∼62% TOC removal. Moreover, the intermediates of plausible degradation pathways were identified by the m/z values obtained from GC-MS analysis.
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Affiliation(s)
- Aanchal Rathi
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, India
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, India.
| | - Sanghamitra Barman
- Department of Chemical Engineering, Thapar Institute of Engineering and Technology, India.
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Singh S, Arputharaj E, Dahms HU, Patel AK, Huang YL. Chitosan-based nanocomposites for removal of Cr(VI) and synthetic food colorants from wastewater. BIORESOURCE TECHNOLOGY 2022; 351:127018. [PMID: 35307519 DOI: 10.1016/j.biortech.2022.127018] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/10/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Current study aims to synthesize chitosan/polyvinyl alcohol (CS/PVA), poly(ethyleneimine), and Fe3O4 impregnated beads for co-removal of Cr(VI) and toxic azo-dyes from wastewater. The mesoporous PEI@AC@Fe3O4 exhibits magnetism and enhanced physisorption by higher specific-porosity (2.1 nm) from Cr(VI) radii (0.044 nm). Moreover, surface functional groups (-OH, -NH, -NH2, -COOH etc.), especially amines enhance ionic bonding due to positive zeta potential. Hence, it is unique for anionic dyes removal under a wide pH range. It showed maximum adsorption capacity 98, 85.5, 85.8, and 91%, or 199.8, 148, 167, 176.5 mg g-1 respectively for Cr(VI), tartrazine, sunset yellow, and erythrosine. Surface adsorption of Cr(VI) and its transition into Cr(III) was confirmed by EDX. Langmuir isotherm and pseudo-first-order kinetics best fit the adsorption of Cr(VI) and azo-dyes confirming their monolayer physisorption on adsorbent surface. Synthesized adsorbent examined in wastewater purification prototype for efficient removal of different simulated wastewaters confirms its potential for real-world applications.
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Affiliation(s)
- Shivangi Singh
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Emmanuvel Arputharaj
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hans-Uwe Dahms
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Anil Kumar Patel
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Sustainable Environment Research Center, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow 226 029, Uttar Pradesh, India
| | - Yeou-Lih Huang
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan.
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35
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Yu X, Huang J, Zhao J, Zhou C, Xin C, Guo Q. Topotactic formation of poriferous (Al,C)-Ta 2O 5 mesocrystals for improved visible-light photocatalysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 304:114289. [PMID: 34929428 DOI: 10.1016/j.jenvman.2021.114289] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 12/03/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
Poriferous monocrystal-like nanostructures are contributing to fabricate long-distance charge transfer pathways and rapid diffusions of the degraded products, and attracts wide attentions. In this work, layered and poriferous (Al,C)-Ta2O5 mesocrystals were fabricated by topotactic transformation strategy with Ta4AlC3 MAX as starting materials for visible-light photocatalytic antibiotic degradation. The prepared sample exhibited enhanced visible-light absorption and visible-light photocatalytic performance, far superior to those of commercial Ta2O5 and Ta4AlC3 MAX, which was mainly because of the elemental doping in the samples. The experimental results also indicated that continuous attacks of the photo-generated holes and ·O2- species efficiently induced efficient visible-light photodegradation of tetracycline. Current work also indicates a new and potential tantalum-based semiconductors for high-performance environmental photocatalysis.
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Affiliation(s)
- Xin Yu
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Jielin Huang
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Jiawei Zhao
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Chao Zhou
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Changhui Xin
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Quanhui Guo
- Henan Engineering Research Center of Resource & Energy Recovery from Waste, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
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