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Kumar M, Ambika S, Hassani A, Nidheesh PV. Waste to catalyst: Role of agricultural waste in water and wastewater treatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159762. [PMID: 36306836 DOI: 10.1016/j.scitotenv.2022.159762] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
Presently, owing to the rapid development of industrialization and urbanization activities, a huge quantity of wastewater is generated that contain toxic chemical and heavy metals, imposing higher environmental jeopardies and affecting the life of living well-being and the economy of the counties, if not treated appropriately. Subsequently, the advancement in sustainable cost-effective wastewater treatment technology has attracted more attention from policymakers, legislators, and scientific communities. Therefore, the current review intends to highlight the recent development and applications of biochars and/or green nanoparticles (NPs) produced from agricultural waste via green routes in removing the refractory pollutants from water and wastewater. This review also highlights the contemporary application and mechanism of biochar-supported advanced oxidation processes (AOPs) for the removal of organic pollutants in water and wastewater. Although, the fabrication and application of agriculture waste-derived biochar and NPs are considered a greener approach, nevertheless, before scaling up production and application, its toxicological and life-cycle challenges must be taken into account. Furthermore, future efforts should be carried out towards process engineering to enhance the performance of green catalysts to improve the economy of the process.
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Affiliation(s)
- Manish Kumar
- CSIR National Environmental Engineering Research Institute, Nagpur, Maharashtra, India
| | - Selvaraj Ambika
- Faculty, Department of Civil Engineering, Indian Institute of Technology Hyderabad, Telangana, India; Adjunct Faculty, Department of Climate Change, Indian Institute of Technology Hyderabad, Telangana, India; Faculty and Program Coordinator, E-Waste Resources Engineering and Management, Indian Institute of Technology Hyderabad, Telangana, India
| | - Aydin Hassani
- Department of Materials Science and Nanotechnology Engineering, Faculty of Engineering, Near East University, 99138 Nicosia, TRNC, Mersin 10, Turkey
| | - P V Nidheesh
- CSIR National Environmental Engineering Research Institute, Nagpur, Maharashtra, India.
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Singh S, Garg A. Utilization of Industrial Wastes as Catalyst or Catalyst Support for Photocatalytic Treatment of Synthetic and Simulated Pulp Bleaching Wastewaters. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c03955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Swati Singh
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Anurag Garg
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
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Recent Development in Sludge Biochar-Based Catalysts for Advanced Oxidation Processes of Wastewater. Catalysts 2021. [DOI: 10.3390/catal11111275] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Sewage sludge as waste of the wastewater treatment process contains toxic substances, and its conversion into sludge biochar-based catalysts is a promising strategy that merges the merits of waste reutilization and environmental cleanup. This study aims to systematically recapitulate the published articles on the development of sludge biochar-based catalysts in different advanced oxidation processes of wastewater, including sulfate-based system, Fenton-like systems, photocatalysis, and ozonation systems. Due to abundant functional groups, metal phases and unique structures, sludge biochar-based catalysts exhibit excellent catalytic behavior for decontamination in advanced oxidation systems. In particular, the combination of sludge and pollutant dopants manifests a synergistic effect. The catalytic mechanisms of as-prepared catalysts in these systems are also investigated. Furthermore, initial solution pH, catalyst dosage, reaction temperature, and coexisting anions have a vital role in advanced oxidation processes, and these parameters are systematically summarized. In summary, this study could provide relatively comprehensive and up-to-date messages for the application of sludge biochar-based catalysts in the advanced oxidation processes of wastewater treatment.
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Yu Y, Sun Y, Zhou Y, Xu A, Xu Y, Huang F, Zhang Y. The behavior of surface acidity on photo-Fenton degradation of ciprofloxacin over sludge derived carbon: Performance and mechanism. J Colloid Interface Sci 2021; 597:84-93. [PMID: 33872889 DOI: 10.1016/j.jcis.2021.03.156] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/20/2021] [Accepted: 03/28/2021] [Indexed: 01/03/2023]
Abstract
Sludge derived carbon (SC) has been widely used in advanced oxidation processes as an effective and economic catalyst. In this study, we applied surface modified SC for the first time to catalyze the heterogeneous photo-Fenton process with ciprofloxacin, a highly concerned emerging contaminant, as a model substance. H2SO4 was used to acidify the SCs under varying acid dosages, temperatures, and reaction time lengths. The surface acidity of SCs was quantitatively characterized with NH3-TPD. A strong correlation between the surface acidity and the catalytic activity was clearly demonstrated. The highest catalytic activity was obtained with SC whose acidity was 0.149 mmol·g-1 after being modified with 6 mol·L-1 H2SO4 at -20 ℃ for 24 h. In addition, XRD, XRF, BET, XPS, and HRTEM were also used to characterize the obtained SC. ·OH radicals were found to be the main reactive species by EPR. Ten transformation products were identified by GC-MS, based on which three possible reaction pathways were proposed.
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Affiliation(s)
- Yang Yu
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Yifei Sun
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Yuanbo Zhou
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Anlin Xu
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Yanhua Xu
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Fei Huang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, PR China; School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China
| | - Yongjun Zhang
- School of Environmental Sciences and Engineering, Nanjing Tech University, Nanjing 211816, PR China; School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, PR China.
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Hou H, Liu Z, Zhang J, Zhou J, Qian G. A review on fabricating functional materials by heavy metal-containing sludges. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:133-155. [PMID: 33063214 DOI: 10.1007/s11356-020-10990-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
With the development of industry, sustainable use of natural resources has become a worldwide hot topic. Heavy metal-containing sludge (HMS) is a hazardous waste after wastewater treatment. At present, HMS is still treated by landfill or landfill after incineration. Considering the components, HMS usually contains various heavy metals and organic compounds, which is potentially used as a raw resource for catalyst production. This review thus concludes recent reports and developments in this field. First, basic technologies are summarized as component regulation, precursor formation, and structure transformations. Second, prepared materials are applied in various catalytic fields, such as gas purification, photocatalysis, electrocatalysis, and Fenton catalysis. During these processes, key factors are multi-metallic components, metal doping, temperature, and pH. They not only influence the formation of HMS-derived catalyst but also the catalytic activity. Furthermore, catalytic activities of HMS-derived catalysts are compared with those synthesized by pure reagents. An assessment and accounting are also supplied if raw resources are substituted by HMS. Finally, in order to apply HMS in a real application, more works must be devoted to the influence of trace metal doping on catalytic activities and stabilities. Besides, more pilot experiments are urgently necessary.
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Affiliation(s)
- Hao Hou
- SHU Center of Green Urban Mining & Industry Ecology, School of Environmental and Chemical Engineering, Shanghai University, No. 381 Nanchen Road, Shanghai, 200444, People's Republic of China
| | - Zixing Liu
- SHU Center of Green Urban Mining & Industry Ecology, School of Environmental and Chemical Engineering, Shanghai University, No. 381 Nanchen Road, Shanghai, 200444, People's Republic of China
| | - Jia Zhang
- SHU Center of Green Urban Mining & Industry Ecology, School of Environmental and Chemical Engineering, Shanghai University, No. 381 Nanchen Road, Shanghai, 200444, People's Republic of China.
- MGI, Shanghai University, Xiapu Town, Xiangdong District, Pingxiang, 337022, Jiangxi, People's Republic of China.
| | - Jizhi Zhou
- School of Economics, Shanghai University, No. 333 Nanchen Road, Shanghai, 200444, People's Republic of China
| | - Guangren Qian
- SHU Center of Green Urban Mining & Industry Ecology, School of Environmental and Chemical Engineering, Shanghai University, No. 381 Nanchen Road, Shanghai, 200444, People's Republic of China.
- MGI, Shanghai University, Xiapu Town, Xiangdong District, Pingxiang, 337022, Jiangxi, People's Republic of China.
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