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Li Y, Zhang J, Cheng D, Guo W, Liu H, Guo A, Chen X, Wang Y, Ngo HH. Magnetic biochar serves as adsorbents and catalyst supports for the removal of antibiotics from wastewater: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121872. [PMID: 39018848 DOI: 10.1016/j.jenvman.2024.121872] [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: 04/10/2024] [Revised: 06/19/2024] [Accepted: 07/12/2024] [Indexed: 07/19/2024]
Abstract
Numerous antibiotics are being released into the natural environment through wastewater. As antibiotic usage increases annually, its detrimental impact on the environment is escalating. Addressing environmental sustainability and human health requires significant attention towards antibiotic removal. In recent years, magnetic biochar (MBC) has gained widespread application in water treatment due to its exceptional adsorption and catalytic degradation capabilities. Antibiotics such as sulfamethoxazole (SMX), tetracycline (TC), ciprofloxacin (CIP), and others commonly exhibit an adsorption capacity by MBC ranging from 5 mg/g to 900 mg/g. Moreover, MBC typically removes over 90% of these antibiotics within 60 min. The effectiveness of antibiotic removal is significantly influenced by various preparation and modification methods. Furthermore, the incorporation of magnetism enables the material to be recycled and reused multiple times, thereby reducing consumption costs. This article discusses recent studies on antibiotic removal using MBC. It has been observed that variations in the selection of raw material and preparation procedures significantly affect antibiotic removal, while the mechanisms involved in antibiotic removal remain ambiguous. Additionally, it has been noted that the removal process may lead to secondary pollution and high preparation costs. Therefore, this review comprehensively outlines the utilization of MBC in the removal of antibiotics from wastewater, including aspects such as modification, preparation, removal mechanism, and factors influencing removal, and providing recommendations for antibiotic development. The aim is to offer researchers a clear understanding to advance the field of MBC materials.
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Affiliation(s)
- Yudong Li
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Jian Zhang
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Dongle Cheng
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China; Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia.
| | - Wenshan Guo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia
| | - Huaqing Liu
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Aiyun Guo
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Xinhan Chen
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Yanlong Wang
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Huu Hao Ngo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia.
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Singh PP, Pandey G, Murti Y, Gairola J, Mahajan S, Kandhari H, Tivari S, Srivastava V. Light-driven photocatalysis as an effective tool for degradation of antibiotics. RSC Adv 2024; 14:20492-20515. [PMID: 38946773 PMCID: PMC11208907 DOI: 10.1039/d4ra03431g] [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: 05/09/2024] [Accepted: 06/22/2024] [Indexed: 07/02/2024] Open
Abstract
Antibiotic contamination has become a severe issue and a dangerous concern to the environment because of large release of antibiotic effluent into terrestrial and aquatic ecosystems. To try and solve these issues, a plethora of research on antibiotic withdrawal has been carried out. Recently photocatalysis has received tremendous attention due to its ability to remove antibiotics from aqueous solutions in a cost-effective and environmentally friendly manner with few drawbacks compared to traditional photocatalysts. Considerable attention has been focused on developing advanced visible light-driven photocatalysts in order to address these problems. This review provides an overview of recent developments in the field of photocatalytic degradation of antibiotics, including the doping of metals and non-metals into ultraviolet light-driven photocatalysts, the formation of new semiconductor photocatalysts, the advancement of heterojunction photocatalysts, and the building of surface plasmon resonance-enhanced photocatalytic systems.
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Affiliation(s)
- Praveen P Singh
- Department of Chemistry, United College of Engineering & Research Prayagraj U.P.-211010 India
| | - Geetika Pandey
- Department of Physics, Faculty of Science, United University Prayagraj-211012 India
| | - Yogesh Murti
- Institute of Pharmaceutical Research, GLA University Mathura-281406 India
| | - Jagriti Gairola
- School of Pharmacy, Graphic Era Hill University Clement Town Dehradun 248002 Uttarakhand India
- Department of Allied Sciences, Graphic Era (Deemed to be University) Clement Town Dehradun 248002 Uttarakhand India
| | - Shriya Mahajan
- Centre of Research Impact and Outcome, Chitkara University Rajpura-140417 Punjab India
| | - Harsimrat Kandhari
- Chitkara Centre for Research and Development, Chitkara University Himachal Pradesh-174103 India
| | - Shraddha Tivari
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj U.P.-211002 India
| | - Vishal Srivastava
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj U.P.-211002 India
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Wong CF, Saif UM, Chow KL, Wong JTF, Chen XW, Liang Y, Cheng Z, Tsang YF, Wong MH, Man YB. Applications of charcoal, activated charcoal, and biochar in aquaculture - A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172574. [PMID: 38641094 DOI: 10.1016/j.scitotenv.2024.172574] [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: 12/18/2023] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
Environmental pollution and poor feed quality pose potential threats to aquatic organisms and human health, representing challenges for the aquaculture industry. In light of the rising demand for aquatic organisms, there is an urgent need to improve aquacultural production and protect the products from contamination. Char, a carbonaceous material derived through pyrolysis of organic carbon-rich biomass, has proven advantages in soil, air, and water remediation. While char's performance and the associated physicochemical characteristics depend strongly on the pyrolysis temperature, residence time, and feedstock type, char generally shows advantages in pollutant removal from the environment and livestock. This enables it to enhance the health and growth performance of livestock. Given the growing attention to char application in aquaculture in recent years, this review summarises major studies on three applications: aquacultural water treatment, sediment remediation, and char-feed supplement. Most of these studies have demonstrated char's positive effects on pollutant removal from organisms and aquacultural environments. Moreover, adopting char as fish feed can improve fish growth performance and the condition of their intestinal villi. However, due to insufficient literature, further investigation is needed into the mechanistic aspects of pollutants removal in aquatic organisms by char as a feed additive, such as the transportation of char inside aquatic organisms, the positive and negative effects of char on these products, and how char alters the gut microbiota community of these products. This paper presents an overview of the current application of char in aquaculture and highlights the research areas that require further investigation to enrich future studies.
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Affiliation(s)
- Chun Fung Wong
- Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Uddin Md Saif
- Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Ka Lai Chow
- Division of Applied Science, College of International Education, School of Continuing Education, Hong Kong Baptist University, Shek Mun, Hong Kong, China
| | - James Tsz Fung Wong
- Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Xun Wen Chen
- Department of Ecology, College of Life Science and Technology, Jinan University, Guangzhou, PR China
| | - Yan Liang
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan, PR China
| | - Zhang Cheng
- College of Environment, Sichuan Agricultural University, Chengdu, PR China
| | - Yiu Fai Tsang
- Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Ming Hung Wong
- Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Yu Bon Man
- Consortium on Health, Environment, Education and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China.
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Niculescu AG, Mihaiescu B, Mihaiescu DE, Hadibarata T, Grumezescu AM. An Updated Overview of Magnetic Composites for Water Decontamination. Polymers (Basel) 2024; 16:709. [PMID: 38475395 DOI: 10.3390/polym16050709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Water contamination by harmful organic and inorganic compounds seriously burdens human health and aquatic life. A series of conventional water purification methods can be employed, yet they come with certain disadvantages, including resulting sludge or solid waste, incomplete treatment process, and high costs. To overcome these limitations, attention has been drawn to nanotechnology for fabricating better-performing adsorbents for contaminant removal. In particular, magnetic nanostructures hold promise for water decontamination applications, benefiting from easy removal from aqueous solutions. In this respect, numerous researchers worldwide have reported incorporating magnetic particles into many composite materials. Therefore, this review aims to present the newest advancements in the field of magnetic composites for water decontamination, describing the appealing properties of a series of base materials and including the results of the most recent studies. In more detail, carbon-, polymer-, hydrogel-, aerogel-, silica-, clay-, biochar-, metal-organic framework-, and covalent organic framework-based magnetic composites are overviewed, which have displayed promising adsorption capacity for industrial pollutants.
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Affiliation(s)
- Adelina-Gabriela Niculescu
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 050657 Bucharest, Romania
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 060042 Bucharest, Romania
| | - Bogdan Mihaiescu
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 050657 Bucharest, Romania
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 060042 Bucharest, Romania
| | - Dan Eduard Mihaiescu
- Department of Organic Chemistry, Politehnica University of Bucharest, 011061 Bucharest, Romania
| | - Tony Hadibarata
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 060042 Bucharest, Romania
- Environmental Engineering Program, Faculty of Engineering and Science, Curtin University, Miri 98009, Malaysia
| | - Alexandru Mihai Grumezescu
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 050657 Bucharest, Romania
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 060042 Bucharest, Romania
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Silva V, Louros VL, Silva CP, Tacão M, Otero M, Calisto V, Lima DLD. A solar flow photo-reactor for antibiotic removal from aquaculture effluents using TiO 2/carbon quantum dots. CHEMOSPHERE 2024; 348:140723. [PMID: 37977528 DOI: 10.1016/j.chemosphere.2023.140723] [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: 07/25/2023] [Revised: 11/02/2023] [Accepted: 11/12/2023] [Indexed: 11/19/2023]
Abstract
Effluents contaminated with antibiotics must be treated before reuse or even discharge into the aquatic environment, avoiding the increase of antimicrobial resistance (AMR) - a major public health problem of the 21st century. Little is known regarding the natural solar photodegradation of antibiotics in tubular reactors operated under flow mode and even less concerning the application of photocatalysts. The use of photocatalysts is considered a promising strategy for a sustainable solar-driven removal of antibiotics from effluents. In this work, the photodegradation of two antibiotics widely used in aquaculture, namely, sulfadiazine (SDZ) and oxolinic acid (OXA), was investigated under solar flow mode in the absence and presence of carbon quantum dots (CQDs) coupled with titanium dioxide (TiO2) (4% (w/w)). The obtained results showed that TiO2/CQDs (4% (w/w)) enhanced the photodegradation of both antibiotics, which is highly beneficial for their application in the treatment of aquaculture effluents. The accumulated UV energy needed for SDZ removal using the photocatalyst was less than 4 kJ L-1 in both simulated freshwater (phosphate buffer solution (PBS)) and simulated brackish water (sea salt solution (SSS)), while for OXA less than 5 kJ L-1 and around 15 kJ L-1 were needed for removal in PBS and in SSS, respectively. Moreover, results demonstrated that the proposed photocatalytic treatment was also efficient in the elimination of OXA and SDZ antibacterial activity, either in PBS or SSS. Therefore, photocatalysis under flow mode using TiO2/CQDs constitutes a promising and sustainable treatment for antibiotics' efficient removal from aquaculture effluents.
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Affiliation(s)
- Valentina Silva
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Vitória L Louros
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Carla Patrícia Silva
- Polytechnic University of Coimbra, Coimbra Health School, Department of General Sciences, Rua 5 de Outubro - S, Martinho Do Bispo, Apartado 7006, 3046-854, Coimbra, Portugal
| | - Marta Tacão
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Marta Otero
- Departamento de Química y Física Aplicadas, Universidad de León, Campus de Vegazana, 24071, León, Spain
| | - Vânia Calisto
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Diana L D Lima
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal; Polytechnic University of Coimbra, Coimbra Health School, Department of General Sciences, Rua 5 de Outubro - S, Martinho Do Bispo, Apartado 7006, 3046-854, Coimbra, Portugal.
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6
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Gong H, Li R, Zhang Y, Xu L, Gan L, Pan L, Liang M, Yang X, Chu W, Gao Y, Yan M. Occurrence and removal of antibiotics from aquaculture wastewater by solar-driven Fe(VI)/oxone process. CHEMOSPHERE 2023; 340:139809. [PMID: 37579819 DOI: 10.1016/j.chemosphere.2023.139809] [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: 04/17/2023] [Revised: 07/14/2023] [Accepted: 08/11/2023] [Indexed: 08/16/2023]
Abstract
In this study, the occurrence and removal of ten selected antibiotics from aquaculture wastewater by the process solar + Fe(VI)+oxone were investigated. The detection levels of the antibiotics in the aquaculture wastewater samples were at ng/L. The degradation of the selected antibiotics under the process solar + Fe(VI)+oxone followed pseudo-first-order kinetics. As the most abundant antibiotic in the studied aquaculture wastewater, norfloxacin (NFX) was used as the model compound to study the reaction mechanism and detoxification ability of the treatment system, as well as the effects of reaction parameters and environmental factors. The active species including O2•-, O21, and Fe(V)/Fe(IV) contributed to NFX degradation in the process solar + Fe(VI)+oxone. Decarboxylation, the piprazine ring opening, defluorination of the benzene ring, oxygen addition and the cleavage of the quinolone/benzene ring were main degradation pathways of NFX. Around 20% mineralization was reached and the inhibition rate of the bacteria (Escherichia Coli) growth was reduced from 95.5% to 47.1% after the NFX degradation for 60 min. Despite the suppression of NFX degradation by NO2-, PO43- and humic acid, the NFX degradation in three aquaculture wastewater samples was faster than that in ultrapure water due to the positive effect of Br-and other factors. The above results demonstrate the treatment process solar-driven Fe(VI)/oxone has a good potential in antibiotics removal from the aquaculture wastewater.
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Affiliation(s)
- Han Gong
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Ruixue Li
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Yanqiong Zhang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Lijie Xu
- College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
| | - Lu Gan
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, China
| | - Luyi Pan
- Instrumentation Analysis & Research Center, South China Agricultural University, Guangzhou, China
| | - Minxing Liang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Xue Yang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Wei Chu
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Yuan Gao
- Instrumentation and Service Center for Science and Technology, Beijing Normal University, Zhuhai, China.
| | - Muting Yan
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
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Chin JY, Ahmad AL, Low SC. Antibiotics oxytetracycline removal by photocatalyst titanium dioxide and graphitic carbon nitride in aquaculture wastewater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 343:118231. [PMID: 37247545 DOI: 10.1016/j.jenvman.2023.118231] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 05/31/2023]
Abstract
The surge in the use of antibiotics, especially in aquaculture, has led to development of antibiotic resistance genes, which will harm environmental and public health. One of the most commonly used antibiotics in aquaculture is oxytetracycline (OTC). Employing photocatalysis, this study compared OTC degradation efficiency of two different types of common photocatalysts, TiO2 and graphitic carbon nitride (GCN) in terms of their photochemical properties and underlying photocatalytic mechanism. For reference purpose, self-synthesized GCN from urea precursor (GCN-Urea) and commercial GCN (GCN-Commercial) were both examined. OTC adsorption-photocatalysis removal rates in pure OTC solution by TiO2, GCN-Urea and GCN-Commercial were attained at 95%, 60% and 40% respectively. Photochemical properties evaluated included light absorption, band gap, valence and conduction band positions, photoluminescence, cyclic voltammetry, BET surface area and adsorption capability of the photocatalysts. Through the evaluations, this study provides novel insights towards current state-of-the-art heterogeneous photocatalytic processes. The electron-hole recombination examined by photoluminescence is not the key factor influencing the photocatalytic efficacies as commonly discussed. On the contrary, the dominating factors governing the higher OTC degradation efficiency of TiO2 compared to GCN are the high mobility of electrons that leads to high redox capability and the high pollutant-photocatalyst affinity. These claims are proven by 86% and 40% more intense anodic and cathodic cyclic voltammetry curve peaks of TiO2 as compared to both GCNs. OTC also demonstrated 1.7 and 2.3 times higher affinity towards TiO2 than GCN-Urea and GCN-Commercial. OTC removal by TiO2 in real aquaculture wastewater only achieved 50%, due to significant inhibition effect by dissolved solids, dissolved organic matters and high ionic contents in the wastewater.
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Affiliation(s)
- Jing Yi Chin
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300, Nibong Tebal, Pulau Pinang, Malaysia.
| | - Abdul Latif Ahmad
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300, Nibong Tebal, Pulau Pinang, Malaysia.
| | - Siew Chun Low
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300, Nibong Tebal, Pulau Pinang, Malaysia.
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Yang F, Jin C, Wang S, Wang Y, Wei L, Zheng L, Gu H, Lam SS, Naushad M, Li C, Sonne C. Bamboo-based magnetic activated carbon for efficient removal of sulfadiazine: Application and adsorption mechanism. CHEMOSPHERE 2023; 323:138245. [PMID: 36841450 DOI: 10.1016/j.chemosphere.2023.138245] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Due to increasing antibiotic pollution in the water environment, green and efficient adsorbents are urgently needed to solve this problem. Here we prepare magnetic bamboo-based activated carbon (MDBAC) through delignification and carbonization using ZnCl2 as activator, resulting in production of an activated carbon with large specific surface area (1388.83 m2 g-1). The influencing factors, such as solution pH, initial sulfadiazine (SD) concentration, temperature, and contact time, were assessed in batch adsorption experiments. The Langmuir isotherm model demonstrated that MDBAC adsorption capacity on SD was 645.08 mg g-1 at its maximum, being higher than majority of previously reported adsorbents. In SD adsorption, the kinetic adsorption process closely followed the pseudo-second kinetic model, and the thermodynamic adsorption process was discovered to be exothermic and spontaneous in nature. The MDBAC exhibited excellent physicochemical stability, facile magnetic recovery and acceptable recyclability properties. Moreover, the synergistic interactions between MDBAC and SD mainly involved electrostatic forces, hydrogen bonding, π-π stacking, and chelation. Within the benefits of low cost, ease of production and excellent adsorption performance, the MDBAC biosorbent shows promising utilization in removing antibiotic contaminants from wastewater.
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Affiliation(s)
- Fan Yang
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Can Jin
- Institute of Chemical Industry of Forest Products, CAF; National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing, 210042, China
| | - Sen Wang
- College of Landscape Architecture and Art, Henan Agricultural University, Zhengzhou, 450002, China
| | - Yujie Wang
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Lu Wei
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Longhui Zheng
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Haiping Gu
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia; Center for Transdisciplinary Research, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Mu Naushad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Cheng Li
- College of Forestry, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Christian Sonne
- Department of Ecoscience, Aarhus University, Frederiksborgvej 399, DK-4000, Roskilde, Denmark.
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Bare WFR, Struhs E, Mirkouei A, Overturf K, Small B. Engineered Biomaterials for Reducing Phosphorus and Nitrogen Levels from Downstream Water of Aquaculture Facilities. Processes (Basel) 2023. [DOI: 10.3390/pr11041029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
Abstract
The United States (U.S.) has a nearly USD 17 billion seafood trade deficit annually. However, the U.S. aquaculture industry faces strict micronutrient (e.g., phosphorus and nitrogen) level mandates that negatively impact fish production, especially for the state of Idaho, which produces 70–75% of the nation’s rainbow trout. This study investigates the sustainability benefits of producing engineered biomaterials from lignocellulosic-based feedstocks near collection sites via portable biorefineries for use by fish farms to reduce eutrophication (oversupply of micronutrients) impacts. In this study, sustainability assessments are performed on a case study in southern Idaho, the largest U.S. commercial producer of rainbow trout. The results show that 20 and 60 min of water treatment, using small particle size biomaterial from lodgepole pine, has the highest total phosphorus removal rate, at 150–180 g of phosphorus per 1 metric ton of engineered biomaterials. The results of techno-economic and environmental impacts studies indicate that pinewood-based biomaterials production cost ranges from USD 213 USD 242 per ton and reduces the eutrophication potential by 5–17 kg PO4eq/ton. Additionally, the environmental impact results show that the total greenhouse gas emission for biomaterial production is 47–54 kg CO2eq/ton; however, the used biomaterials after water treatment can be sold for around USD 850 per ton as nutrient-rich soil conditioners. This study concluded that engineered biomaterials from lignocellulosic-based feedstocks could be a sustainable solution to the challenge that aquaculture faces, particularly capturing micronutrients from eutrophic water and reusing them as fertilizers.
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10
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Jiang Y, Liu A. Cornstalk biochar-TiO 2 composites as alternative photocatalyst for degrading methyl orange. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31923-31934. [PMID: 36459321 DOI: 10.1007/s11356-022-24490-8] [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] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Dye wastewater is one of the most harmful wastewater types generated during industrial processes. Effectively treating dye wastewater is essential. This study used TiO2 and cornstalk biochar to prepare biochar-TiO2 composites in order to treat methyl orange (MO) in the water. It is found that composites prepared using biochar generated at 700 ℃ and TiO2/biochar mass ratio values of 0.75/1 showed the best performance on decolorization efficiency and mineralization efficiency of MO while low pH, low initial MO concentration, and 1 g/L of composite amount added can enhance MO degradation efficiency. Additionally, it is also noted that biochar-TiO2 composites were easier to separate from water compared to pure TiO2. This benefits the recycling of biochar-TiO2 composites after application. Furthermore, the study indicated that the biochar-TiO2 composites degrade MO by a combination of adsorption and photocatalysis while photoelectron (e-) and ·O2- are the key species participating in photocatalytic degradation of MO. These research outcomes suggest that cornstalk biochar and TiO2 can be used to prepare composites, which can be seen as an alternative photocatalyst for dye wastewater treatment. However, further investigations related to their long-term applications and in real scale projects are recommended.
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Affiliation(s)
- Ying Jiang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, People's Republic of China
| | - An Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, People's Republic of China.
- College of Chemistry and Environmental Engineering, Water Science and Environmental Engineering Research Center, Shenzhen University, Shenzhen, 518060, People's Republic of China.
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11
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Xin X, Liu H, Sun J, Gao K, Jia R. Enhanced photocatalytic activity of Fe-, S- and N-codoped TiO 2 for sulfadiazine degradation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY : IJEST 2023; 20:1-12. [PMID: 36686289 PMCID: PMC9846705 DOI: 10.1007/s13762-023-04771-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/26/2022] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
The composite material based on N-, S-, and Fe-doped TiO2 (NSFe-TiO2) synthesized by wet impregnation was used as a photocatalyst to rapidly degrade sulfadiazine. The photocatalytic degradation behavior and mechanism of sulfadiazine on NSFe-TiO2 were investigated for revealing the role of degradation under ultraviolet light. The results showed that compared with TiO2, NSFe-TiO2 markedly improved the efficiency in photocatalytic degradation of sulfadiazine: more than 90% of sulfadiazine could be removed within 120 min by NSFe-TiO2 dosage of 20 mg L-1. The process conformed to first-order reaction kinetics model. The parameters such as loaded amount of NSFe-TiO2, solution pH value, humic acid concentration and recycle numbers on removal efficiency were also studied. Compared to neutral and alkaline conditions, acidic condition was not conducive to the photocatalysis. HA, Ca2+, Cu2+ and Zn2+ in the actual water body had mild inhibition on sulfadiazine degradation in UV/NSFe-TiO2 system. Fragments screened by high-resolution mass spectrometry were conducted to explore the oxidation mechanism and pathways of sulfadiazine degradation. On the whole, UV/NSFe-TiO2 photocatalysis has a good effect on sulfadiazine removal. Supplementary Information The online version contains supplementary material available at 10.1007/s13762-023-04771-6.
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Affiliation(s)
- X. Xin
- Shandong Province Water Supply and Drainage Monitoring Center, Jinan, 250101 China
| | - H. Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022 China
| | - J. Sun
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022 China
| | - K. Gao
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022 China
| | - R. Jia
- Shandong Province Water Supply and Drainage Monitoring Center, Jinan, 250101 China
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022 China
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12
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Silva V, Invêncio I, Silva CP, Otero M, Lima DLD. Photodegradation of oxolinic acid in aquaculture effluents under solar irradiation: is it possible to enhance efficiency by the use of TiO 2/carbon quantum dots composites? CHEMOSPHERE 2022; 308:136522. [PMID: 36150486 DOI: 10.1016/j.chemosphere.2022.136522] [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: 07/11/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Antibiotics, such as oxolinic acid (OXA), in aquaculture effluents contribute to the dissemination of antimicrobial resistance, which makes it urgent to develop efficient and sustainable processes for their removal. Aiming a photocatalytic degradation under solar radiation, different carbon quantum dots (CQDs) were produced in this work through a bottom-up hydrothermal methodology and incorporated into TiO2 by a simple calcination method. A total of thirteen materials were synthesized and tested for OXA photocatalytic removal from synthetic and real matrices. Among them, CQDs produced with citric acid and incorporated into TiO2 at 4% (w/w) (TiO2/CQDs-CA 4% (w/w)) were the most efficient photocatalysts, providing an OXA half-life time (t1/2) decrease of 91%, 79% and 85% in phosphate buffer solution (PBS), synthetic sea salts (SSS) and brackish aquaculture effluent (BAE), respectively. Therefore, the herein synthesized TiO2/CQDs-CA 4% (w/w) composites have shown to be promising materials for a sustainable solar-driven removal of antibiotics from aquaculture effluents.
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Affiliation(s)
- Valentina Silva
- CESAM & Department of Environment and Planning, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal; CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Inês Invêncio
- Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Carla Patrícia Silva
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Marta Otero
- CESAM & Department of Environment and Planning, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal; Departmento de Química y Física Aplicadas, Universidad de León, Campus de Vegazana, 24071, León, Spain
| | - Diana L D Lima
- CESAM & Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
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13
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Zhang L, Wang X, Xu X, Yang J, Xiao J, Bai B, Wang Q. A Janus solar evaporator with photocatalysis and salt resistance for water purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Yu D, Niu J, Zhong L, Chen K, Wang G, Yan M, Li D, Yao Z. Biochar raw material selection and application in the food chain: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 836:155571. [PMID: 35490824 DOI: 10.1016/j.scitotenv.2022.155571] [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: 01/19/2022] [Revised: 04/24/2022] [Accepted: 04/24/2022] [Indexed: 06/14/2023]
Abstract
As one of the largest carbon emitters, China promises to achieve carbon emissions neutrality by 2060. Various industries are developing businesses to reduce carbon emissions. As an important greenhouse gas emissions scenario, the reduction of carbon emissions in the food chain can be achieved by preparing the wastes into biochar. The food chain, as one of the sources of biochar, consists of production, processing and consumption, in which many wastes can be transferred into biochar. However, few studies use the food chain as the system to sort out the raw materials of biochar. A systematic review of the food chain application in serving as raw materials for biochar is helpful for further application of such technique, providing supportive information for the development of biochar preparation and wastes treating. In addition, there are many pollution sources in the food production process, such as agricultural contaminated soil and wastewater from livestock and aquatic, that can be treated on-site to achieve the goal of treating wastes with wastes within the food chain. This study focuses on waste resource utilization and pollution remediation in the food chain, summarizing the sources of biochar in the food chain and analyzing the feasibility of using waste in food chain to treat contaminated sites in the food chain and discussing the impacts of the greenhouse gas emissions. This review provides a reference for the resource utilization of waste and pollution reduction in the food chain.
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Affiliation(s)
- Dayang Yu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China
| | - Jinjia Niu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China
| | - Longchun Zhong
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China
| | - Kaiyu Chen
- Department of Chemical Engineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Guanyi Wang
- State Grid UHV Engineering Construction Company, Beijing 100052, China
| | - Meilin Yan
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China
| | - Dandan Li
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China
| | - Zhiliang Yao
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China.
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15
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Fito J, Kefeni KK, Nkambule TTI. The potential of biochar-photocatalytic nanocomposites for removal of organic micropollutants from wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154648. [PMID: 35306069 DOI: 10.1016/j.scitotenv.2022.154648] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 02/25/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Biochar (BC)-photocatalyst nanocomposites have emerged as appealing water and wastewater treatment technology. Such nanocomposite materials benefit from the synergistic effect of adsorption and photocatalysis to attain improved removal of pollutants from water and wastewater. Under this review, three BC-based nanocomposite photocatalysts such as BC-TiO2, BC-ZnO, and BC-spinel ferrites were considered. These nanocomposites acquire intrinsic properties to improve the practical limitations of the pristine BC and photocatalysts. The BC-based nanocomposites attained high photocatalytic activity, mechanical hardness, thermal stability, chemically non-reactive, magnetically permeable, reduced energy band gaps, improved reusability, and simplified recovery. Moreover, BC-based photocatalytic nanocomposites showed reduced recombination rates of the electron-hole pairs which are desirable for photocatalytic applications. However, the surface areas of the composites are usually smaller than that of the BC but higher than those of the pristine photocatalysts. Practically, the performances of the nanocomposites are much superior to those of the corresponding pristine components. This hybrid treatment technology is an emerging field and its industrial application is still at an early stage of the investigation. Therefore, exploring the full potential and practical applications of this technology is highly encouraging. Hence, this review focused on the critical evaluation of the most recent research on the synthesis, characterization, and photocatalytic treatment efficiency of the BC photocatalyst nanocomposites towards emerging pollutants in the aqueous medium. Moreover, the influence of various sources of BC feedstocks and their limitations on adsorption and photodegradation activities are discussed in detail. Finally, concluding remarks and future research directions are given to assist and shape the exploration of BC-based nanocomposite photocatalysts in water treatment.
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Affiliation(s)
- Jemal Fito
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa.
| | - Kebede K Kefeni
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa.
| | - Thabo T I Nkambule
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa.
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16
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Louros VL, Silva V, Silva CP, Calisto V, Otero M, Esteves VI, Freitas R, Lima DLD. Sulfadiazine's photodegradation using a novel magnetic and reusable carbon based photocatalyst: Photocatalytic efficiency and toxic impacts to marine bivalves. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 313:115030. [PMID: 35417811 DOI: 10.1016/j.jenvman.2022.115030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/21/2022] [Accepted: 04/04/2022] [Indexed: 05/27/2023]
Abstract
In the present study, waste-based biochar functionalized with titanium dioxide (TiO2) and afterwards magnetized by an ex-situ approach, defined as synthetic photosensitizer (SPS), was explored for the photocatalytic degradation of sulfadiazine (SDZ), an antibiotic widely used in the aquaculture industry, under solar irradiation. The use of the SPS enhanced the photodegradation efficiency, with a half-life time (t1/2) reduction from 12.2 ± 0.1 h (without SPS) to 5.6 ± 0.4 h. The applied magnetization procedure allowed to obtain a SPS with good reusability for SDZ photodegradation even after five consecutive cycles. To evaluate the effects on marine bivalves of SDZ, before and after photodegradation and in presence or absence of the SPS, a typical bioindicator species, the mussel Mytilus galloprovincialis, was used and different biochemical markers were analysed. Results obtained indicated that the exposure to SDZbefore irradiation, both in absence and presence of SPS, caused an increase in mussels' metabolism and defence mechanisms, evidencing great biochemical impacts. However, after irradiation (in the absence and presence of SPS), biochemical responses were similar to those observed in organisms exposed to control conditions, without SDZ. Therefore, this work provided a promising eco-friendly treatment for the removal of SDZ from aquaculture effluents.
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Affiliation(s)
- Vitória L Louros
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Valentina Silva
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; CESAM, Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Carla Patrícia Silva
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Vânia Calisto
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Marta Otero
- CESAM, Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; Department of Applied Chemistry and Physics, Universidad de León, Campus de Vegazana, 24071, León, Spain
| | - Valdemar I Esteves
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Rosa Freitas
- CESAM, Department of Biology, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Diana L D Lima
- CESAM, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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17
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Zhang X, Wu Y, Giwa AS, Xiong J, Huang S, Niu L. Improving photocatalytic activity under visible light over a novel food wastes biochar-based BiOBr nanocomposite. CHEMOSPHERE 2022; 297:134152. [PMID: 35245591 DOI: 10.1016/j.chemosphere.2022.134152] [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: 10/08/2021] [Revised: 02/11/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Biochar (C) applied in synthesizing photocatalysts to eliminate water pollution has been intensively investigated. Herein we report the first use of biochar pyrolyzed from food wastes at 400 °C (400C) and 700 °C to construct C/BiOBr composites via a facile hydrolysis approach. Photocatalytic performances could be significantly improved by choosing the appropriate carbonization temperature and adjusting the content of C in C/BiOBr composites. The prepared 1%400C/BiOBr exhibited the best photodegradation capacity towards methylene orange (20 mg/L) and tetracycline (50 mg/L). A series of characterization results illustrated that smooth structure and surface properties (oxygen functional groups and persistent free radicals) of 400C played an important role in enhancing the photocatalytic activities. Mechanism exploration suggested that h+ and ˙O2- were the main active species thus contributing to photodegradation. This study provided a new insight into utilization of biochar derived from food wastes in photocatalysis and environmental remediation.
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Affiliation(s)
- Xiaoqian Zhang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yixiao Wu
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China
| | | | - Juxia Xiong
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Shaobin Huang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China.
| | - Lishan Niu
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, PR China
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Kuan J, Zhang H, Gu H, Zhang Y, Wu H, Mao N. Adsorption-enhanced photocatalytic property of Ag-doped biochar/g-C3N4/TiO2 composite by incorporating cotton-based biochar. NANOTECHNOLOGY 2022; 33:345402. [PMID: 35580568 DOI: 10.1088/1361-6528/ac705e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this study, the biochar obtained from waste cotton fibers was introduced into the Ag-doped g-C3N4/TiO2 hybrid composite through a facile one-step hydrothermal process. The morphology, elemental composition, crystal structure, microstructure, specific surface area, chemical bonding state, energy band structure, and separation efficiency of photoinduced charge carriers of the resultant composite were examined using scanning electron microscope, energy dispersive X-ray spectrometer, X-ray diffractometer, transmission electron microscope, surface area analyzer, X-ray photoelectron spectroscope, Ultraviolet-visible spectrophotometer, ultraviolet photoelectron spectroscope, and photoluminescence spectroscope. The adsorption isotherms, kinetics and thermodynamics of the biochar, Ag-doped g-C3N4/TiO2 and Ag-doped biochar/g-C3N4/TiO2 were evaluated using the model methyl orange dye. The photoacatalytic degradation of the model pollutants including methyl orange, methylene blue, congo red, and tetracycline hydrochloride and the photocatalytic reduction of Cr(VI) ions were also assessed under visible light. Experimental results indicated that the photocatalytic property of the Ag-doped biochar/g-C3N4/TiO2 was significantly enhanced through the adsorption enhancement compared with the Ag-doped g-C3N4/TiO2. This was due to the uniform doping of multi-scale porous biochar with g-C3N4 nanosheet, Ag and TiO2 nanoparticles. The adsorptive enhancement induced by the biochar resulted in the narrowed band gap, suitable electronic energy band structure, and fast separation of photoinduced charge carriers of the Ag-doped biochar/g-C3N4/TiO2, which was probably due to the coexistence of multi-valence Ti+4/+3 and Ag0/+1 species and oxygen-containing groups of biochar. The major reactive species of the Ag-doped biochar/g-C3N4/TiO2 were 1O2 and h+. The MO dye adsorption onto the Ag-doped biochar/g-C3N4/TiO2 followed the Langmuir isotherm model, pseudo-first-order and pseudo-second-order kinetic models, and the adsorption process was an endothermic reaction with entropy reduction effects. As such, the Ag-doped biochar/g-C3N4/TiO2 exhibited a promising application for the treatment of wastewater containing multi-pollutants especially organic dyes and heavy metal ions.
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Affiliation(s)
- Junling Kuan
- Xi'an Polytechnic University, No.19 Jinhua South Road, Xi'an, Shaanxi, 710048, CHINA
| | - Hui Zhang
- Xi'an Polytechnic University, No.19 Jinhua South Road, Xi'an, Shaanxi, 710048, CHINA
| | - Haoshuai Gu
- Xi'an Polytechnic University, No.19 Jinhua South Road, Xi'an, Shaanxi, 710048, CHINA
| | - Yaning Zhang
- Xi'an Polytechnic University, No.19 Jinhua South Road, Xi'an, Shaanxi, 710048, CHINA
| | - Hailiang Wu
- Xi'an Polytechnic University, No.19 Jinhua South Road, Xi'an, Shaanxi, 710048, CHINA
| | - Ningtao Mao
- University of Leeds, Leeds, LS2 9JT, United Kingdom, Leeds, Leeds, LS2 9JT, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
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Ma Y, Zhang T, Zhu P, Cai H, Jin Y, Gao K, Li J. Fabrication of Ag 3PO 4/polyaniline-activated biochar photocatalyst for efficient triclosan degradation process and toxicity assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 821:153453. [PMID: 35093359 DOI: 10.1016/j.scitotenv.2022.153453] [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: 12/01/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Triclosan (TCS) is a typical environmental pollutant, which seriously threatens the health of humans and organisms. A novel strategy of biochar/Ag3PO4/polyaniline (PANI) composite photocatalyst was synthesized by a facile chemical precipitation method to efficiently degrade TCS. XRD, Raman, ESR, etc. were used to reveal the effective associations among physiochemistry, photochemistry and photocatalytic properties of the composite. It was proved the synergistic effects of biochar (T-Bio) and PANI resulted in the decrease of Ag3PO4 particle size, the enhancement of adsorption, the improvement of light utilization, the increase of photogenerated carrier separation and the promotion of reactive species. The photocatalytic mechanism showed h+ was the main active species, O2- and OH played minor roles. Under the irradiation of visible light, the optimal photocatalyst (1.0% T-Bio/AP/1.0% PANI) displayed excellent photocatalytic activity with the removal rate of 85.21% for TCS within 10 min, and the apparent rate constant K' was 2.38 times of Ag3PO4. 11 main intermediates for TCS degradation were identified, and their toxicity was significantly reduced. The possible degradation pathways were proposed. This work is the first systematic study on the degradation behavior of TCS by Ag3PO4-based photocatalyst, and it provides a new approach to fabricate photocatalysts with synergistic effects and amazing photocatalytic activity by biochar.
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Affiliation(s)
- Yujing Ma
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Tianliang Zhang
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Pan Zhu
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Haitao Cai
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Yang Jin
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Kaige Gao
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China
| | - Jun Li
- Department of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, China; Engineering Research Center for Comprehensive Utilization and Cleaning Process of Phosphate Resource, Ministry of Education, Chengdu 610065, China.
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20
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Promising adsorptive materials derived from agricultural and industrial wastes for antibiotic removal: A comprehensive review. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120286] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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21
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Diao ZH, Jin JC, Zou MY, Liu H, Qin JQ, Zhou XH, Qian W, Guo PR, Kong LJ, Chu W. Simultaneous degradation of amoxicillin and norfloxacin by TiO2@nZVI composites coupling with persulfate: Synergistic effect, products and mechanism. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119620] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Chandra S, Jagdale P, Medha I, Tiwari AK, Bartoli M, Nino AD, Olivito F. Biochar-Supported TiO 2-Based Nanocomposites for the Photocatalytic Degradation of Sulfamethoxazole in Water-A Review. TOXICS 2021; 9:313. [PMID: 34822704 PMCID: PMC8617903 DOI: 10.3390/toxics9110313] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 12/23/2022]
Abstract
Sulfamethoxazole (SMX) is a frequently used antibiotic for the treatment of urinary tract, respiratory, and intestinal infections and as a supplement in livestock or fishery farming to boost production. The release of SMX into the environment can lead to the development of antibiotic resistance among the microbial community, which can lead to frequent clinical infections. SMX removal from water is usually done through advanced treatment processes, such as adsorption, photocatalytic oxidation, and biodegradation. Among them, the advanced oxidation process using TiO2 and its composites is being widely used. TiO2 is a widely used photocatalyst; however, it has certain limitations, such as low visible light response and quick recombination of e-/h+ pairs. Integrating the biochar with TiO2 nanoparticles can overcome such limitations. The biochar-supported TiO2 composites showed a significant increase in the photocatalytic activities in the UV-visible range, which resulted in a substantial increase in the degradation of SMX in water. The present review has critically reviewed the methods of biochar TiO2 composite synthesis, the effect of biochar integration with the TiO2 on its physicochemical properties, and the chemical pathways through which the biochar/TiO2 composite degrades the SMX in water or aqueous solution. The degradation of SMX using photocatalysis can be considered a useful model, and the research studies presented in this review will allow extending this area of research on other types of similar pharmaceuticals or pollutants in general in the future.
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Affiliation(s)
- Subhash Chandra
- Department of Civil Engineering, Vignan’s Institute of Information Technology (A), Duvvada, Visakhapatnam 530049, India;
| | - Pravin Jagdale
- Center for Sustainable Future Technologies, Italian Institute of Technology, Via Livorno 60, 10144 Torino, Italy; (P.J.); (M.B.)
| | - Isha Medha
- Department of Civil Engineering, Vignan’s Institute of Information Technology (A), Duvvada, Visakhapatnam 530049, India;
- Department of Mining Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Ashwani Kumar Tiwari
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India;
| | - Mattia Bartoli
- Center for Sustainable Future Technologies, Italian Institute of Technology, Via Livorno 60, 10144 Torino, Italy; (P.J.); (M.B.)
| | - Antonio De Nino
- Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, 87036 Rende, Italy;
| | - Fabrizio Olivito
- Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, 87036 Rende, Italy;
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23
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Silva CP, Louros V, Silva V, Otero M, Lima DLD. Antibiotics in Aquaculture Wastewater: Is It Feasible to Use a Photodegradation-Based Treatment for Their Removal? TOXICS 2021; 9:toxics9080194. [PMID: 34437512 PMCID: PMC8402555 DOI: 10.3390/toxics9080194] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 11/16/2022]
Abstract
Aquacultures are a sector facing a huge development: farmers usually applying antibiotics to treat and/or prevent diseases. Consequently, effluents from aquaculture represent a source of antibiotics for receiving waters, where they pose a potential threat due to antimicrobial resistance (AMR) induction. This has recently become a major concern and it is expectable that regulations on antibiotics’ discharge will be established in the near future. Therefore, it is urgent to develop treatments for their removal from wastewater. Among the different possibilities, photodegradation under solar radiation may be a sustainable option. Thus, this review aims at providing a survey on photolysis and photocatalysis in view of their application for the degradation of antibiotics from aquaculture wastewater. Experimental facts, factors affecting antibiotics’ removal and employed photocatalysts were hereby addressed. Moreover, gaps in this research area, as well as future challenges, were identified.
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Affiliation(s)
- Carla Patrícia Silva
- CESAM & Department of Chemistry, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (V.L.); (V.S.); (D.L.D.L.)
- Correspondence:
| | - Vitória Louros
- CESAM & Department of Chemistry, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (V.L.); (V.S.); (D.L.D.L.)
| | - Valentina Silva
- CESAM & Department of Chemistry, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (V.L.); (V.S.); (D.L.D.L.)
- CESAM & Department of Environment and Planning, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Marta Otero
- CESAM & Department of Environment and Planning, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Diana L. D. Lima
- CESAM & Department of Chemistry, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (V.L.); (V.S.); (D.L.D.L.)
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