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Hasan MA, Hossain R, Sahajwalla V. Utilization of battery waste derived ZnO in the removal of dye from aqueous solution: A waste to wealth approach. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 356:120461. [PMID: 38537458 DOI: 10.1016/j.jenvman.2024.120461] [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: 09/17/2023] [Revised: 02/02/2024] [Accepted: 02/20/2024] [Indexed: 04/07/2024]
Abstract
Every year a huge amount of zinc carbon batteries is discarded as waste and the management of such waste has become a growing concern all over the world. However, from these waste carbon batteries different kinds of valuable materials could be recovered. On the other hand, different industries discharged large volumes of dye wastewater into the environment which has a profound impact on environment and as well as human health. In this study, ZnO was recovered from the waste carbon batteries through pyrometallurgy process and utilized it for the treatment of methylene blue and methyl orange dye water. The batch adsorption process was carried out to observe the effect of adsorbent dosage, pH, contact time, stirring speed and temperature. Under the obtained optimal conditions adsorption kinetics (Pseudo-first order and pseudo-second order) and adsorption isotherms (Langmuir, Freundlich and Temkin) were analyzed. The results disclosed that 0.5 g and 0.6 g of ZnO showed maximum removal efficiency for MB and MO dye solution (50 ppm) whereas pH 13 and 6 were the optimal for MB and MO respectively. Kinetic studies indicate that both the adsorption processes were pseudo-second order. It was also revealed that based on regression coefficient R2 value the adsorption of MB and MO on ZnO is followed Langmuir model. Furthermore, the findings revealed that the MO adsorption on ZnO is a chemical adsorption process and MB adsorption is a physical adsorption process.
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Affiliation(s)
- Md Anik Hasan
- Centre for Sustainable Materials Research and Technology (SMaRT@UNSW), School of Materials Science and Engineering UNSW Sydney, Australia; Department of Leather Engineering, Khulna University of Engineering and Technology (KUET), Khulna, 9203, Bangladesh
| | - Rumana Hossain
- Centre for Sustainable Materials Research and Technology (SMaRT@UNSW), School of Materials Science and Engineering UNSW Sydney, Australia.
| | - Veena Sahajwalla
- Centre for Sustainable Materials Research and Technology (SMaRT@UNSW), School of Materials Science and Engineering UNSW Sydney, Australia
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Shivalingam C, Gurumoorthy K, Murugan R, Ali S. Herbal-Based Green Synthesis of TB-ZnO-TiO(II) Nanoparticles Composite From Terminalia bellirica: Characterization, Toxicity Assay, Antioxidant Assay, and Antimicrobial Activity. Cureus 2024; 16:e55686. [PMID: 38586786 PMCID: PMC10997881 DOI: 10.7759/cureus.55686] [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: 01/24/2024] [Accepted: 03/06/2024] [Indexed: 04/09/2024] Open
Abstract
Background Terminalia bellirica leaf extract was used as an herbal to get an aqueous extract of Tb-ZnO-TiO2 (zinc and titanium dioxide) nanoparticles composite, and this was subsequently subjected to an analysis of its antioxidant properties and possible antimicrobial activity against gram-negative and gram-positive bacteria. Employing the 2,2-Diphenyl-1-picrylhydrazyl and hydrogen peroxide assay techniques for antioxidant properties. In addition to their biocompatibility, rapid biodegradability, and low toxicity, herbal-based nanoparticles (Tb-ZnO-TiO2 NPs composite) synthesized by T. bellirica have drawn a lot of interest as promising options for administering drugs and effective antimicrobial applications. Materials and methods The form and dimensions of the dispersion of the synthesized nanoparticles were investigated through scanning electron microscopy (SEM), Fourier Transform Infrared Spectroscopy, and UV-visible for particle characterization. Nanoparticles were analyzed for antimicrobial activity using the well diffusion method. Ascorbic acid and vitamin E were used as two separate controls for antioxidant assay with different concentrations, and also toxicity assay was done by using zebrafish embryos. Results Tb-ZnO-TiO2 NPs composite were obtained as a powder, the X-beam diffraction (XRD) result revealed a small quantity of impurities and revealed that the structure was spherical in nature. A unique absorption peak for Tb-ZnO-TiO2 NPs composite may be seen in UV-Vis spectroscopy which is in the region of 260 to 320 nm. The Tb-ZnO-TiO2 NPs composite antibacterial efficacy was evaluated and showed noted antibacterial activity and free radical scavenging activity with less toxicity. Conclusion The results demonstrated the Tb-ZnO-TiO2 NPs composite has strong antioxidant qualities and enormous antibacterial activity obtained from T. bellirica extract. Therefore, the Tb-ZnO-TiO2 NPs composite synthesized nanoparticles can be used in biomedical applications as an effective antioxidant and antibacterial reagent.
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Affiliation(s)
- Chitra Shivalingam
- Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Kaarthikeyan Gurumoorthy
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Ramadurai Murugan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Saheb Ali
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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Ntelane TS, Feleni U, Mthombeni NH, Kuvarega AT. CuFeS 2 supported on dendritic mesoporous silica-titania for persulfate-assisted degradation of sulfamethoxazole under visible light. J Colloid Interface Sci 2024; 654:660-676. [PMID: 37864871 DOI: 10.1016/j.jcis.2023.10.077] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023]
Abstract
Sulfamethoxazole (SMX) is a prevalent sulfonamide antibiotic found in the environment, and it has a variety of detrimental effects on environmental sustainability and water safety. Recently, the combination of photocatalysis and sulfate radical-based advanced oxidation processes (SR-AOPs) has attracted a lot of interest as a viable technique for degradation of refractory pollutants. In this study, a visible light active CuFeS2 supported on dendritic mesoporous silica-titania (CuFeS2-DMST) photocatalyst was synthesized to improve the ability of TiO2 to activate persulfate (PS) by introducing CuFeS2 (Fe2+/Fe3+, Cu+/Cu2+ redox cycles). The CuFeS2-DMST/PS/Vis system demonstrated superior SMX degradation efficiency (88.9%, 0.0146 min-1) than TiO2 because of reduced e-/h+ recombination, excellent charge separation and mobility, and a greater surface area than TiO2. Furthermore, after four consecutive photocatalytic cycles, the system demonstrated moderate stability. From chemical quenching tests, O2●-, h+, 1O2, SO4●- and ●OH were found to be the main reactive oxidizing species. The formed intermediates during the degradation process were identified, and degradation mechanisms were proposed. This study proposes a viable technique for activating PS using a low-cost, stable, and high-surface-area TiO2-based photocatalyst, and this concept can be applied to design photocatalysts for water treatment.
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Affiliation(s)
- Tau S Ntelane
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida, 1710 Johannesburg, South Africa; Department of Chemical Engineering, College of Science, Engineering and Technology, University of South Africa, Florida, 1710, Johannesburg, South Africa
| | - Usisipho Feleni
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida, 1710 Johannesburg, South Africa
| | - Nomcebo H Mthombeni
- Department of Chemical Engineering, College of Science, Engineering and Technology, University of South Africa, Florida, 1710, Johannesburg, South Africa; Department of Chemical Engineering, Faculty of Engineering and the Built Environment, Durban University of Technology, P.O. Box 1334, Durban 4000, South Africa
| | - Alex T Kuvarega
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida, 1710 Johannesburg, South Africa.
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Priyadharsan A, Ranjith R, Karmegam N, Thennarasu G, Ragupathy S, Hwan Oh T, Ramasundaram S. Effect of metal doping and non-metal loading on light energy driven degradation of organic dye using ZnO nanocatalysts. CHEMOSPHERE 2023; 330:138708. [PMID: 37072085 DOI: 10.1016/j.chemosphere.2023.138708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/26/2023] [Accepted: 04/14/2023] [Indexed: 05/14/2023]
Abstract
Photocatalytic degradation of azo dyes is seen as a viable technique for addressing environmental and energy concerns simultaneously. Therefore, the primary requirement is the creation of a better catalyst with adequate product selectivity for removal efficiency under solar light. Herein, pure ZnO and Cu (0.10 M) doped cotton stalk activated carbons with ZnO (Cu-doped ZnO/CSAC) were produced, and these are labelled as CZ1, CZ2, CZ3, and CZ3/CSAC, respectively. The optoelectronic and photodegradation efficiencies were examined regarding the impact of doping and loading samples. The XRD patterns confirmed that the CZ3/CSAC sample exhibited a hexagonal wurtzite structure. The XPS survey confirmed that Cu ions were incorporated into the ZnO lattice in a Cu2+ oxidation state. The band gap value (CZ3/CSAC) was reduced (2.38 eV) compared to pure ZnO and CZ3. Moreover, PL and EIS analysis proved more efficient at separating photoinduced charged carriers for CZ3/CSAC than all other samples. The CZ3/CSAC sample showed improved photocatalytic degradation efficiency (93.09%) compared to the pure ZnO and CZ3 samples using brilliant green (BG) dye under sunlight irradiation.
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Affiliation(s)
- A Priyadharsan
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 600 077, India
| | - R Ranjith
- Department of Physics, KSR College of Engineering, Thiruchengode, 637 215, Tamilnadu, India
| | - N Karmegam
- PG and Research Department of Botany, Government Arts College (Autonomous), Salem, 636 007, Tamil Nadu, India
| | - G Thennarasu
- Department of Chemistry, C. Kandaswami Naidu College for Men (A Unit of Pachaiyappa's Trust), Anna Nagar East, Chennai, 600 102, Tamil Nadu, India
| | - S Ragupathy
- Department of Physics, E.R.K. Arts and Science College, Erumiyampatti, Dharmapuri, 636905, Tamil Nadu, India; Department of Physics, Government Arts & Science College for women, Karimangalam, Dharmapuri-635111, Tamil Nadu, India.
| | - Tae Hwan Oh
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38436, Republic of Korea
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Li S, Wang Z, Chen Y, Zou Q, Zou Q, Wang L, Zhu Y, Wang L. Preparation of chitosan/retinoic acid @ nanocapsules/TiO 2 self-cleaning one-dimensional photonic crystals and the study of the visual detection of acute promyelocytic leukemia. RSC Adv 2023; 13:18363-18370. [PMID: 37342810 PMCID: PMC10277903 DOI: 10.1039/d3ra02224b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/27/2023] [Indexed: 06/23/2023] Open
Abstract
Sample exposure to air during optical detection leads to the widespread dispersal of microorganisms in the air, posing a health threat to patients and healthcare workers and potentially causing numerous nosocomial infections. In this study, a TiO2/CS-nanocapsules-Va visualization sensor was developed by alternatively spin-coating TiO2, CS and nanocapsules-Va. The uniformly distributed TiO2 can endow the visualization sensor with good photocatalytic performance, and the nanocapsules-Va can bind specifically to the antigen and change its volume. The research results showed that the visualization sensor cannot only detect acute promyelocytic leukemia conveniently, quickly and accurately, but also kill bacteria, decompose organic residues in blood samples under the influence of sunlight, and have an extensive application prospect in substance detection and disease diagnosis.
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Affiliation(s)
- Shuai Li
- Qingdao University Qingdao Shandong Province China
- Central Laboratory, Linyi People's Hospital Linyi Shandong Province China
| | - Zhiqiang Wang
- Central Laboratory, Linyi People's Hospital Linyi Shandong Province China
| | - Yanying Chen
- Laboratory of Hematology, Linyi People's Hospital Linyi Shandong Province China
| | - Qing Zou
- Department of Hematology, Linyi People's Hospital Linyi Shandong Province China
| | - Qianqian Zou
- Laboratory Department, Traditional, Chinese Medicine Hospital of Linyi Linyi Shandong Province China
| | - Long Wang
- Central Laboratory, Linyi People's Hospital Linyi Shandong Province China
| | - Yanxi Zhu
- Central Laboratory, Linyi People's Hospital Linyi Shandong Province China
| | - Lijuan Wang
- Central Laboratory, Linyi People's Hospital Linyi Shandong Province China
- Department of Hematology, Linyi People's Hospital Linyi Shandong Province China
- Key Laboratory of Neurophysiology, Health Commission of Shandong Province Linyi Shandong Province China
- Key Laboratory for Translational Oncolgoy, Xuzhou Medical University Linyi Shandong Province China
- Linyi Key Laboratory of Tumor Biology Linyi Shandong Province China
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Li C, Zhen W. Preparation, performance and structure-properties relationship of polyphenylene sulfide/ATP-PS/co-deposition of tannic acid nanocomposites membrane. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04748-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Gnanasekaran L, Suresh R, Rajendran S, Chen WH, Soto-Moscoso M. Progressive yield of nickel cobaltite nanocubes for visible light utilization and degrading activities of methyl orange dye pollutant. ENVIRONMENTAL RESEARCH 2023; 219:115053. [PMID: 36521542 DOI: 10.1016/j.envres.2022.115053] [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: 09/30/2022] [Revised: 12/05/2022] [Accepted: 12/10/2022] [Indexed: 06/17/2023]
Abstract
In this study, pure cobalt oxide (Co3O4) as well as nickel cobaltite (NiCo2O4) were investigated with their capacity of degradation efficiency for textile dyes like methyl orange (MO) employing visible light irradiation. Two variable concentrations of nickel cobaltite (NiCo2O4) with 75:25 and 50:50 wt ratios along with the pure metal oxides were synthesized by thermal decomposition method and analyzed by various sophisticated instruments. Initially, the structural characteristics described the fine crystalline nature of NiCo2O4 and also exhibits reduced size than the pure component material (Co3O4). Besides, NiCo2O4 catalysts represented nano cubic shaped particles, and also their coordinating functional groups were evaluated. Further, the absorption wavelength confirms the two band positions of NiCo2O4 which leads to promote visible light absorption, and degrading efficiency of about 47.5% for NiCo2O4 (75:25) sample compared with NiCo2O4 (50:50) which produced only 26.3% degradation. This higher efficiency of the former was due to high crystallinity and interfacial charge transfer of combined Ni2+, Ni3+, Co2+ and Co3+ redox couples. This consecutively produces effective OH radicals that brought the degradation effectively under visible light. The recycling capacity up to 5 repeated cycles has been studied with the NiCo2O4 (75:25) and therefore the catalyst can further be used in other dye degradation.
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Affiliation(s)
- Lalitha Gnanasekaran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile.
| | - R Suresh
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile; Department of Chemical Engineering, Lebanese American University, Byblos, Lebanon; University Centre for Research & Development, Department of Mechanical Engineering, Chandigarh University, Mohali, Punjab, 140413, India
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
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Mehrzad M, Behpour M, Kashi FJ. Novel environmental method for enhanced biodegradation of contaminated wastewater via immobilizing nanoparticles on a new bacterial strain isolated industrial textile. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 325:116528. [PMID: 36272287 DOI: 10.1016/j.jenvman.2022.116528] [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: 07/10/2022] [Revised: 09/30/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Biological processes comprising bacteria, fungi, yeast, and algae received increasing interest for dye degradation due to their cost-effectiveness and eco-friendly nature. Hence, the current study aims to investigate the ability of the photocatalytic performance of N-S co-doped anatase TiO2 (NSTO) nanoparticles immobilized on isolated industrial textile bacteria (ITB) for degradation of basic blue 41 (BB 41). To prove the effect of improving the surface area of NSTO, NSTO also was immobilized on glass balls (NSTO-GB). NSTO nanoparticles were synthesized using sol-gel methods, and characterization of NSTO and NSTO-GB were measured using SEM, TEM, XPS, and DLS analysis. The results showed that the average size of NSTO was 50-60 nm. Moreover, the morphology and surface microstructure of ITB and ITB-NSTO were determined by the SEM, XPS technique. According to the results, ITB has a rod structure, NSTO nanoparticles are placed on the surface of ITB. However, NSTO was attached to the surface of ITB with the hydroxyl group. The ITB-NSTO indicated a higher BB 41 degradation yield (99%) than pure NSTO (65%) and ITB (74%). The effect of different factors was evaluated on biodegradation by ITB-NSTO. The high biodegradation was obtained in ITB (10 mg), NSTO (50 mg), BB41 (50 ppm), and pH 11. The GC-Mass, LC-Mass, and FT-IR analysis, which monitored the BB 41 degradation efficiency, proved the degradation efficiency by 99%. In the following, the toxicities of BB 41 solution before and after degradation were accessed through the brine shrimp lethality assay (BSLA) and seed germination assay, which displayed a considerable reduction in BB 41 after degradation. Toxicity results exhibited that ITB-NSTO has potential for industrial application.
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Affiliation(s)
- Meraat Mehrzad
- Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, 87317-51167, Kashan, Iran
| | - Mohsen Behpour
- Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, 87317-51167, Kashan, Iran.
| | - Fereshteh Jookar Kashi
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran.
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