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Nagaraja K, Arunpandian M, Tae Hwan OH. Enhanced photocatalytic degradation of organic pollutants by green-synthesized gold nanoparticles using polysaccharide for environmental remediation. Int J Biol Macromol 2024; 269:131866. [PMID: 38670190 DOI: 10.1016/j.ijbiomac.2024.131866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
The recent rise in textile dye wastewater discharge into the environment has detrimental effects on living organisms and human health. The present study reports a facile approach to green-synthesized AuNPs employing sesbania gum for catalytic and photocatalytic degradation of organic pollutants. The obtained AuNPs were characterized by various techniques such as UV-vis, FT-IR, SEM, TEM, AFM, zeta potential, LC-MS, and XPS. The XRD patterns revealed a highly crystalline and face-centered cubic structure. XPS and EDX analysis defined the chemical composition and product purity of SBG-AuNPs. Photocatalytic degradation of hazardous dyes congo red and safranin-O using SBG-AuNPs showed a rapid decomposition rate with 94.69 % under visible light irradiation. The effect of pH, dye concentration, and catalyst dose on photodegradation and recyclability was also studied. The kinetic plots were used to calculate the rate constant, showing a pseudo-first-order reaction. Scavenger trap experiments confirmed the role of h+ and superoxide(.O2-) as active species, and LCMS analysis was used to identify the degradation intermediates. The catalytic reduction of SBG-AuNPs was studied for brilliant green (BG) and methylene blue (MB) in the presence of NaBH4, resulting the degradation efficiency of 90.37 % and 84.52 %, respectively. This study presents an innovative approach for designing highly efficient photocatalysts for environmental remediation and wastewater treatment from textile dyes.
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Affiliation(s)
- Kasula Nagaraja
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
| | - Muthraj Arunpandian
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - O H Tae Hwan
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
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2
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Abilaji S, Narenkumar J, Das B, S S, Rajakrishnan R, Sathishkumar K, Rajamohan R, Rajasekar A. Electrochemical oxidation of azo dyes degradation by RuO 2-IrO 2-TiO 2 electrode with biodegradation Aeromonas hydrophila AR1 and its degradation pathway: An integrated approach. CHEMOSPHERE 2023; 345:140516. [PMID: 37879370 DOI: 10.1016/j.chemosphere.2023.140516] [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: 08/01/2023] [Revised: 10/11/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Azo dyes are the most varied class of synthetic chemicals with non-degradable characteristics. They are complex compounds made up of many different parts. It was primarily utilized for various application procedures in the dyeing industry. Therefore, it's crucial to develop an economical and environmentally friendly approach to treating azo dyes. Our present investigation is an integrated approach to the electrooxidation (EO) process of azo dyes using RuO2-IrO2-TiO2 (anode) and titanium mesh (cathode) electrodes, followed by the biodegradation process (BD) of the treated EO dyes. Chemical oxygen demand (COD) removal efficiency as follows MB (55%) ≥ MR (45%) ≥ TB (38%) ≥ CR (37%) correspondingly. The fragment generated during the degradation process which was identified with high-resolution mass spectrometry (HRMS) and its degradation mechanism pathway was proposed as demethylation reaction and N-N and C-N/C-S cleavage reaction occurs during EO. In biodegradation studies by Aeromonas hydrophila AR1, the EO treated dyes were completely mineralized aerobically which was evident by the COD removal efficiency as MB (98%) ≥ MR (92.9%) ≥ TB (88%) ≥ CR (87%) respectively. The EO process of dyes produced intermediate components with lower molecular weights, which was effectively utilized by the Aeromonas hydrophila AR1 and resulted in higher degradation efficiency 98%. We reported the significance of the enhanced approach of electrochemical oxidation with biodegradation studies in the effective removal of the pollutants in dye industrial effluent contaminated water environment.
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Affiliation(s)
- Subramani Abilaji
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, 632115, India
| | - Jayaraman Narenkumar
- Department of Environmental & Water Resources Engineering.School of Civil Engineering (SCE). Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Bhaskar Das
- Department of Environmental & Water Resources Engineering.School of Civil Engineering (SCE). Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Suresh S
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Rajagopal Rajakrishnan
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Kuppusamy Sathishkumar
- Rhizosphere Biology Laboratory, Department of Microbiology, Bharathidasan University, Tiruchirappalli, 620 024, Tamil Nadu, India; Department of Computational Biology, Institute of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai, 602 105, Tamil Nadu, India
| | - Rajaram Rajamohan
- Organic Materials Synthesis Laboratory, School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - Aruliah Rajasekar
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, 632115, India.
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Ni X, Li Q, Yang K, Deng H, Xia D. Efficient degradation of Congo red by persulfate activated with different particle sizes of zero-valent copper: performance and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27394-3. [PMID: 37147539 DOI: 10.1007/s11356-023-27394-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 04/28/2023] [Indexed: 05/07/2023]
Abstract
In this study, Congo red (CR) was degraded by different particle sizes of zero-valent copper (ZVC) activated persulfate (PS) under mild temperature. The CR removal by 50 nm, 500 nm, 15 μm of ZVC activated PS was 97%, 72%, and 16%, respectively. The co-existence of SO42- and Cl- promoted the degradation of CR, and HCO3- and H2PO4- were detrimental to the degradation. With the reduction of ZVC particle size, the effect of coexisting anions on degradation grew stronger. The high degradation efficiency of 50 nm and 500 nm ZVC was achieved at pH=7.0, while the high degradation of 15 μm ZVC was achieved at pH=3.0. It was more favorable to leach copper ions for activating PS to generate reactive oxygen species (ROS) with the smaller particle size of ZVC. The radical quenching experiment and electron paramagnetic resonance (EPR) analysis indicated that SO4-•, •OH and •O2- existed in the reaction. The mineralization of CR reached 80% and three possible paths were suggested for the degradation. Moreover, the degradation of 50 nm ZVC can still reach 96% in the 5th cycle, indicating promising application potential in dyeing wastewater treatment.
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Affiliation(s)
- Xi Ni
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, PR China
| | - Qiang Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, PR China.
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan, 430073, PR China.
| | - Kun Yang
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, PR China
| | - Huiyuan Deng
- Institute of Spatial Planning of Hubei Province, Wuhan, 430064, China
| | - Dongsheng Xia
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, PR China
- Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan, 430073, PR China
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4
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Zhou H, Qiu Y, Yang C, Zang J, Song Z, Yang T, Li J, Fan Y, Dang F, Wang W. Efficient Degradation of Congo Red in Water by UV-Vis Driven CoMoO 4/PDS Photo-Fenton System. Molecules 2022; 27:molecules27248642. [PMID: 36557777 PMCID: PMC9784357 DOI: 10.3390/molecules27248642] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/26/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
In order to improve the catalytic activity of cobalt molybdate (CoMoO4), a PDS-activated and UV-vis assisted system was constructed. CoMoO4 was prepared by coprecipitation and calcination, and characterized by XRD, FTIR, Raman, SEM, TEM, XPS, TGA Zeta potential, BET, and UV-Vis DRS. The results showed that the morphology of the CoMoO4 nanolumps consisted of stacked nanosheets. XRD indicated the monoclinic structures with C2/m (C32h, #12) space group, which belong to α-CoMoO4, and both Co2+ and Mo6+ ions occupy distorted octahedral sites. The pH of the isoelectric point (pHIEP) of CMO-8 at pH = 4.88 and the band gap of CoMoO4 was 1.92 eV. The catalytic activity of CoMoO4 was evaluated by photo-Fenton degradation of Congo red (CR). The catalytic performance was affected by calcination temperature, catalyst dosage, PDS dosage, and pH. Under the best conditions (0.8 g/L CMO-8, PDS 1 mL), the degradation efficiency of CR was 96.972%. The excellent catalytic activity of CoMoO4 was attributed to the synergistic effect of photo catalysis and CoMoO4-activated PDS degradation. The capture experiments and the ESR showed that superoxide radical (·O2-), singlet oxygen (1O2), hole (h+), sulfate (SO4-·), and hydroxyl (·OH-) were the main free radicals leading to the degradation of CR. The results can provide valuable information and support for the design and application of high-efficiency transition metal oxide catalysts.
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Affiliation(s)
- Huimin Zhou
- Institute of Environment and Ecology, Shandong Normal University, Jinan 250358, China
| | - Yang Qiu
- Institute of Environment and Ecology, Shandong Normal University, Jinan 250358, China
| | - Chuanxi Yang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266525, China
- Correspondence: (C.Y.); (W.W.); Tel.: +86-0532-85071262 (C.Y. & W.W.)
| | - Jinqiu Zang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266525, China
| | - Zihan Song
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266525, China
| | - Tingzheng Yang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266525, China
| | - Jinzhi Li
- Middle School of Gantian, Chenzhou 424400, China
| | - Yuqi Fan
- Institute of Environment and Ecology, Shandong Normal University, Jinan 250358, China
| | - Feng Dang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Shandong University, Jinan 250061, China
| | - Weiliang Wang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266525, China
- Correspondence: (C.Y.); (W.W.); Tel.: +86-0532-85071262 (C.Y. & W.W.)
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Li X, Wu Z, Tao X, Li R, Tian D, Liu X. Gentle one-step co-precipitation to synthesize bimetallic CoCu-MOF immobilized laccase for boosting enzyme stability and Congo red removal. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129525. [PMID: 35816800 DOI: 10.1016/j.jhazmat.2022.129525] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/23/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Laccase has received extensive attention in pollutant degradation due to its high efficiency and environmental friendliness, but free laccase has poor stability, easy inactivation, and difficulty in recycling, which limited its application. It was a smart strategy to construct a synergistic system for the efficient adsorption and degradation of pollutants by enzyme immobilization to improve the stability and recyclability of the enzyme. In this study, the materials were synthesized by a one-step co-precipitation method. With Cu-MOF as the main body, Co2+ was introduced to construct bimetallic CoCu-MOF as the protective carrier of the enzyme. The enzyme-carrying capacity and enzyme activity of Lac@CoCu-MOF were 2-fold and 3.5-fold higher than those of Lac@Cu-MOF, respectively. Lac@MOF composites had a good protective effect on enzyme in various interfering environments. At pH = 7, free laccase was completely inactivated and Lac@CoCu-MOF maintained 51.76% enzyme activity. In addition, the removal rate of Congo red by Lac@CoCu-MOF reached 90 % in 1 h at pH = 4 % and 95 % in 5 h at pH = 7, and the final TOC mineralization rate reached 86.05 %. After six cycles, the degradation rate of Lac@CoCu-MOF remained above 75 %. Therefore, Lac@CoCu-MOF was constructed with the advantages of enzyme immobilization (enhanced stability and easy operation), material adsorption, and biocatalysis (fast diffusion and high activity), which has great guiding significance for the industrial application of enzyme.
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Affiliation(s)
- Xueping Li
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China; School of Chemistry and Chemical Engineering, The Key Laboratory For Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, PR China
| | - Zhansheng Wu
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China.
| | - Xiyang Tao
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China
| | - Runze Li
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China; School of Chemistry and Chemical Engineering, The Key Laboratory For Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, PR China
| | - Duoduo Tian
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China
| | - Xiaochen Liu
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China.
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6
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Maridevaru MC, Anandan S, Aljafari B, Wu JJ. LaCo xFe 1-XO 3 (0≤x≤1) spherical nanostructures prepared via ultrasonic approach as photocatalysts. ULTRASONICS SONOCHEMISTRY 2021; 80:105824. [PMID: 34763211 PMCID: PMC8591478 DOI: 10.1016/j.ultsonch.2021.105824] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/22/2021] [Accepted: 11/03/2021] [Indexed: 05/02/2023]
Abstract
To harvest the photon energy, a sequenceof perovskite-type oxides of LaCoxFe1-xO3 (0 ≤x≤1) nanostructures with distinct 'Cobalt' doping at the position of B-site are successfully prepared via a simple ultrasonic approach as photocatalyst. The crystallinity, phase identification, microstructure, and morphology of perovskite nanocomposites were analyzed to better understand their physicochemical properties. The catalytic efficiency was assessedusing Congo Red (CR) dye by visible light irradiation for 30 min. Applying terephthalic acid as a probe molecule, the formation of hydroxyl radicals during the processes was investigated. The photocatalytic efficacy was measured by varying different Co/Fe stoichiometric molar ratios and noticed the order of sequence is 0.2 > 0.6 > 0.4 > 0.8 > 0.5 > 0 > 1 after 30 min of reaction time. Finally using LaCo0.2Fe0.8O3 nanostructures, cycling studies (n = 3) were performed to determine its photostability and reusability. The photocatalytic methodology proposed in this study was discussed extensively.
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Affiliation(s)
- Madappa C Maridevaru
- Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Trichy 620015, India
| | - Sambandam Anandan
- Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Trichy 620015, India.
| | - Belqasem Aljafari
- Department of Electrical Engineering, College of Engineering, Najran University, Najran 11001, Saudi Arabia
| | - Jerry J Wu
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
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Zheng W, Liu Y, Liu W, Ji H, Li F, Shen C, Fang X, Li X, Duan X. A novel electrocatalytic filtration system with carbon nanotube supported nanoscale zerovalent copper toward ultrafast oxidation of organic pollutants. WATER RESEARCH 2021; 194:116961. [PMID: 33657492 DOI: 10.1016/j.watres.2021.116961] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 02/17/2021] [Accepted: 02/20/2021] [Indexed: 06/12/2023]
Abstract
In this study, we designed an integrated electrochemical filtration system for catalytic activation of peroxymonosulfate (PMS) and degradation of aqueous microcontaminants. Composites of carbon nanotube (CNT) and nanoscale zero valence copper (nZVC) were developed to serve as high-performance catalysts, electrode and filtration media simultaneously. We observed both radical and nonradical reaction pathways, which collectively contributed to the degradation of model pollutants. Congo red was completely removed via a single-pass through the nZVCCNT filter (τ <2 s) at neutral pH. The rapid kinetics of Congo red degradation were maintained across a wide pH range (from 3.0-7.0), in complicated matrixes (e.g., tap water and lake water), and for the degradation of a wide array of persistent organic contaminants. The superior activity of nZVCCNT stems from the boosted redox cycles of Cu2+/Cu+ in the presence of an external electric field. The flow-through design remarkably outperformed the conventional batch system due to the convection-enhanced mass transport. Mechanism studies suggested that the carbonyl group and electrophilic oxygen of CNT served as electron donor and electron acceptor, respectively, to activate PMS to generate •OH and 1O2via one-electron transport. The electron-deficient Cu atoms are prone to react with PMS via surface hydroxyl group to produce reactive intermediates (Cu2+-O-O-SO3-), and then 1O2 will be generated by breaking the coordination bond of the metastable intermediate. The study will provide a green strategy for the remediation of organic pollution by a highly efficient and integrated system based on catalytic oxidation, electrochemistry, and nano-filtration techniques.
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Affiliation(s)
- Wentian Zheng
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Yanbiao Liu
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China.
| | - Wen Liu
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Haodong Ji
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Fang Li
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Chensi Shen
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Xiaofeng Fang
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Xiang Li
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Xiaoguang Duan
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide 5005, SA, Australia
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Shukla N, Remya N. Microwave photo-oxidation with diverse oxidants for Congo red degradation: effect of oxidants, degradation pathway and economic analysis. ENVIRONMENTAL TECHNOLOGY 2021; 42:1482-1492. [PMID: 31539313 DOI: 10.1080/09593330.2019.1670737] [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: 10/04/2018] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
The present study investigated the efficacy of microwave photo-oxidation (MWPO) process with two oxidants i.e. persulphate (PS) and hydrogen peroxide (H2O2) for degradation of Congo red (CR). The result indicated a CR degradation efficiency of 98% and 96.8% with PS and H2O2, respectively, in 30 min of reaction with corresponding PS dosage of 50 mg/L and H2O2 dosage of 180 mg/L. The COD removal efficiency with the two oxidants were 97.7% and 94.9%, respectively. Higher dosages of oxidant and CR reduced the efficiency of the process in both the cases due to self-quenching. Effect of pH and initial CR concentration on CR removal efficiency also has been studied. Degradation of CR followed pseudo-first-order kinetics with a removal rate constant of 0.12/min and 0.09/min, respectively, with PS and H2O2. The main mechanism of CR degradation was cleavage of the benzene-benzene bond, cleavage of benzene-N bond and hydroxylation. Economic analysis of the MWPO process indicated an energy consumption of 18.3 kWh/g of CR removal and 18.4 kWh/g of COD removal. The process was effective in the rapid degradation and mineralization of high concentration of CR within 30 min.
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Affiliation(s)
- Neha Shukla
- School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India
| | - Neelancherry Remya
- School of Infrastructure, Indian Institute of Technology Bhubaneswar, Odisha, India
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9
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Photoelectrocatalytic Degradation of Congo Red Dye with Activated Hydrotalcites and Copper Anode. Catalysts 2021. [DOI: 10.3390/catal11020211] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Photoelectrocatalysis is a novel technique that combines heterogeneous photocatalysis with the application of an electric field to the system through electrodes for the degradation of organic contaminants in aqueous systems, mainly of toxic dyes. The efficiency of these combined processes depends on the semiconductor properties of the catalysts, as well as on the anodic capacity of the electrode. In this study, we propose the use of active hydrotalcites in the degradation of Congo red dye through processes assisted by ultraviolet (UV) irradiation and electric current. Our research focused on evaluating the degradation capacity of Congo red by means of photolysis, catalysis, photocatalysis, electrocatalysis, and photoelectrocatalysis, as well as identifying the effect of the properties of the active hydrotalcites in these processes. The results show that a maximum degradation was reached with the photoelectrocatalysis process with active hydrotalcites and a copper anode at 6 h with 95% in a half-life of 0.36 h. The degradation is favored by the attack of the OH• radicals under double bonds in the diazo groups where the electrode produces Cu2+ ions, and with the photogenerated electrons, the recombination speed of the electron–hole in the hydrotalcite catalyst is reduced until the complete degradation.
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10
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Synthesis of molecularly imprinted polymer for removal of Congo red. BMC Chem 2020; 14:27. [PMID: 32266334 PMCID: PMC7118869 DOI: 10.1186/s13065-020-00680-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 03/27/2020] [Indexed: 11/10/2022] Open
Abstract
Congo red (CR) is an anionic azo dye widely used in many industries including pharmaceutical, textile, food and paint industries. The disposal of huge amount of CR into the various streams of water has posed a great threat to both human and aquatic life. Therefore, it has become an important aspect of industries to remove CR from different water sources. Molecular imprinting technology is a very slective method to remove various target pollutant from environment. In this study a precipitation polymerization was employed for the effective and selective removal of CR from contaminated aqueous media. A series of congo red molecularly imprinted polymers (CR-MIPs) of uniform size and shape was developed by changing the mole ratio of the components. The optimum ratio (0.1:4: 20, template, functional monomer and cross-linking monomer respectively) for CR1-MIP from synthesized polymers was able to rebind about 99.63% of CR at the optimum conditions of adsorption parameters (contact time 210 min, polymer dosage 0.5 g, concentration 20 ppm and pH 7). The synthesized polymers were characterized by various techniques such as Fourier Infra-red spectroscopy (FTIR), scanning electron microscopy (SEM), Thermogravimetric analysis (TGA), energy-dispersive X-ray spectroscopy (EDX), and Brumauer-Emmett-Teller (BET). The polymer particles have successfully removed CR from different aqueous media with an efficiency of about ~ 90%.
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11
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Enhancing the catalytic performance of chloroperoxidase by co-immobilization with glucose oxidase on magnetic graphene oxide. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2018.12.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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12
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Zhang Y, He P, Jia L, Li C, Liu H, Wang S, Zhou S, Dong F. Ti/PbO 2-Sm 2O 3 composite based electrode for highly efficient electrocatalytic degradation of alizarin yellow R. J Colloid Interface Sci 2018; 533:750-761. [PMID: 30199831 DOI: 10.1016/j.jcis.2018.09.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 08/15/2018] [Accepted: 09/02/2018] [Indexed: 11/26/2022]
Abstract
In this work, a novel Ti/PbO2-Sm2O3 composite electrode with high electrocatalytic activity is successfully fabricated via simple electrodeposition method and further investigated for electrochemical degradation of alizarin yellow R (AYR) wastewater. The test results of X-ray diffraction, field-emission scanning electron microscopy and energy-dispersive X-ray spectroscopy confirm that Sm2O3 is successfully composited with PbO2. The coating of Ti/PbO2-Sm2O3 composite electrode stacked by typical pyramid-like micro-particles exhibits smooth and compact surface morphology which is conducive to enhancing the corrosion resistance of electrode. Furthermore, electrochemical performance tests indicate that Ti/PbO2-Sm2O3 composite electrode has advantages of higher oxygen evolution potential, lower charge transfer resistance and longer lifetime over Ti/PbO2 electrode. Electrolyte concentration, plate space, initial pH and cell voltage are assessed to optimize the degradation condition of AYR. The results show that COD removal efficiency and degradation efficiency of AYR on Ti/PbO2-Sm2O3 composite electrode reach up to 79.90% and 80.00% under the optimal conditions (Na2SO4 electrolyte concentration 9.0 g L-1, plate space 3.0 cm, initial pH 5, cell voltage 3.0 V and electrolysis time 150 min), respectively. The degradation of AYR follows pseudo-first-order reaction kinetics, and a plausible mineralization pathway of AYR is proposed on the basis of the identification of major intermediate products. These results suggest that Ti/PbO2-Sm2O3 composite electrode is a promising candidate for electrocatalytic degradation of AYR wastewater.
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Affiliation(s)
- Ying Zhang
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, PR China; National Engineering Research Center for Municipal Wastewater Treatment and Reuse, Mianyang 621000, PR China
| | - Ping He
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China.
| | - Lingpu Jia
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Caixia Li
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Huanhuan Liu
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Shuai Wang
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Shiping Zhou
- Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, PR China; National Engineering Research Center for Municipal Wastewater Treatment and Reuse, Mianyang 621000, PR China
| | - Faqin Dong
- Key Laboratory of Solid Waste Treatment and Resource Recycle of Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, PR China.
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13
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Improved Biodegradation of Synthetic Azo Dye by Anionic Cross-Linking of Chloroperoxidase on ZnO/SiO 2 Nanocomposite Support. Appl Biochem Biotechnol 2017; 184:1009-1023. [PMID: 28933034 DOI: 10.1007/s12010-017-2607-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 09/13/2017] [Indexed: 10/18/2022]
Abstract
A novel ZnO nanowire/macroporous SiO2 composite was used as a support to immobilize chloroperoxidase (CPO) by in situ cross-linking method. An anionic bi-epoxy compound was synthesized and used as a long-chained anionic cross-linker, and it was adsorbed on the surface of ZnO nanowires through static interaction before reaction with CPO, creating a new approach to change the structure, property, and catalytic performance of the produced cross-linking enzyme aggregates (CLEAs) of CPO. The immobilized CPO showed high activity in the decolorization of three azo dyes. The effect of various conditions such as the loading amount of CPO, solution pH, temperature, and dye concentration was optimized on the decolorization. Under optimized conditions, the decolorization percentage of Acid Blue 113, Direct Black 38, and Acid Black 10 BX reached as high as 95.4, 92.3, and 89.1%, respectively. The immobilized CPO exhibited much better thermostability and resistance to pH inactivation than free CPO. The storage stability and reusability were greatly improved through the immobilization. It was found from the decolorization of Acid Blue 113 that 83.6% of initial activity retained after incubation at 4 °C for 60 days and that 80.9% of decolorization efficiency retained after 12 cycles of reuses.
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14
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Shen Y, Zhou Y, Zhang Z, Xiao K. Cobalt–copper oxalate nanofibers mediated Fenton degradation of Congo red in aqueous solutions. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.03.038] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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15
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Arora P, Fermah A, Rajput JK, Singh H, Badhan J. Efficient solar light-driven degradation of Congo red with novel Cu-loaded Fe 3O 4@TiO 2 nanoparticles. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:19546-19560. [PMID: 28681294 DOI: 10.1007/s11356-017-9571-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 06/15/2017] [Indexed: 06/07/2023]
Abstract
In this work, Cu-loaded Fe3O4@TiO2 core shell nanoparticles were prepared in a single pot by coating of TiO2 on Fe3O4 nanoparticles followed by Cu loading. X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR-TEM), thermogravimetric analysis (TGA), Brunauer-Emmett- Teller (BET), vibrating sample magnetometry (VSM), X-ray photoelectron spectroscopy (XPS), and valence band X-ray photoelectron spectroscopy (VB XPS) techniques were used for characterization of as prepared nanoparticles. Synergism between copper and titania was evaluated by studying the solar light-driven photodegradation of Congo red dye solution in the presence of Fe3O4@TiO2 nanoparticles on one side and Cu-loaded Fe3O4@TiO2 nanoparticles on the other side. The latter performed better than the former catalyst, indicating the enhanced activity of copper-loaded catalyst. Further photodegradation was studied by three means, i.e., under ultraviolet (UV), refluxing, and solar radiations. Cu-loaded Fe3O4@TiO2 enhanced the degradation efficiency of Congo red dye. Thus, Cu act possibly by reducing the band gap of TiO2 and widening the optical response of semiconductor, as a result of which solar light could be used to carry out photocatalysis. Graphical abstract Photodegradation of congo red over Cu-loaded Fe3O4@TiO2 nanoparticles.
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Affiliation(s)
- Priya Arora
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India.
| | - Alisha Fermah
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
| | - Jaspreet Kaur Rajput
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
| | - Harminder Singh
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
| | - Jigyasa Badhan
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, 144011, India
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16
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Li X, He Q, Li H, Gao X, Hu M, Li S, Zhai Q, Jiang Y, Wang X. Bioconversion of non-steroidal anti-inflammatory drugs diclofenac and naproxen by chloroperoxidase. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2016.12.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Sun H, Jin X, Long N, Zhang R. Improved biodegradation of synthetic azo dye by horseradish peroxidase cross-linked on nano-composite support. Int J Biol Macromol 2017; 95:1049-1055. [DOI: 10.1016/j.ijbiomac.2016.10.093] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Revised: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 10/20/2022]
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18
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Laccase induction by synthetic dyes in Pycnoporus sanguineus and their possible use for sugar cane bagasse delignification. Appl Microbiol Biotechnol 2016; 101:1189-1201. [DOI: 10.1007/s00253-016-7890-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 09/09/2016] [Accepted: 09/24/2016] [Indexed: 10/20/2022]
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19
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Wei S, Hu X, Liu H, Wang Q, He C. Rapid degradation of Congo red by molecularly imprinted polypyrrole-coated magnetic TiO2 nanoparticles in dark at ambient conditions. JOURNAL OF HAZARDOUS MATERIALS 2015; 294:168-176. [PMID: 25867589 DOI: 10.1016/j.jhazmat.2015.03.067] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 03/26/2015] [Accepted: 03/30/2015] [Indexed: 06/04/2023]
Abstract
A novel molecularly imprinted polymer (MIP)-coated magnetic TiO2 nanocomposite was prepared, using methyl orange (MO) as the dummy template and pyrrole as functional monomer, for degradation of Congo red (CR). The nanocomposite was characterized by Fourier transform infrared spectroscopy, thermo-gravimetric analysis, X-ray diffraction, transmission electron microscopy, and vibrating sample magnetometer. The imprinting efficiency of the imprinted nanoparticles was investigated by static binding test, and their degradation ability toward CR was also studied. Moreover, the effects of pH, temperature, dissolved oxygen and oscillation rate on degradation rate of CR were investigated. Results showed that the imprinted nanocomposite had higher adsorption ability for MO compared with the non-imprinted one. Moreover, it could degrade CR rapidly in dark at room temperature and atmospheric pressure and could be recycled easily by a magnet with a good reusability. A degradation mechanism was proposed according to LC-MS analysis of degradation products of CR. The new imprinted nanoparticles showed high catalytic activity at ambient conditions without light illumination and additional chemicals, and therefore, it can be potentially applied to the rapid, "green" and low-cost degradation of CR in industrial printing and dyeing wastewater.
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Affiliation(s)
- Shoutai Wei
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Xiaolei Hu
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Hualong Liu
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Qiang Wang
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Chiyang He
- School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China.
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20
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Satheesh Babu S, Mohandass C, Vijayaraj AS, Dhale MA. Detoxification and color removal of Congo red by a novel Dietzia sp. (DTS26) - a microcosm approach. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 114:52-60. [PMID: 25600715 DOI: 10.1016/j.ecoenv.2015.01.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 01/05/2015] [Accepted: 01/06/2015] [Indexed: 06/04/2023]
Abstract
The present study deals with the decolorization and detoxification of Congo red (CR) by a novel marine bacterium Dietzia sp. (DTS26) isolated from Divar Island, Goa, India. The maximum decolorization of 94.5% (100 mg L(-1)) was observed under static condition within 30 h at pH 8 and temperature 32±2°C. Bacterially treated samples could enhance the light intensity by 38% and the primary production levels 5 times higher than the untreated. The strain was also able to reduce COD by 86.4% within 30 h at 100 mg L(-1) of CR dye. The degraded metabolites of CR dye were analyzed by FTIR, HPLC, GC-MS and the end product closely matches with 4-amino-3-naphthol-1-sulfonate which is comparatively less toxic than CR. Bioassay experiments conducted in treated samples for Artemia franciscana showed better survival rates (after 72 h) at higher concentration of CR (500 mg L(-1)). This work suggests the potential application of DTS26 in bioremediation of dye wastes and its safe disposal into coastal environment.
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Affiliation(s)
- S Satheesh Babu
- Biological Oceanography Division, CSIR-National Institute of Oceanography, Dona-Paula, Goa 403004, India
| | - C Mohandass
- Biological Oceanography Division, CSIR-National Institute of Oceanography, Dona-Paula, Goa 403004, India.
| | - A S Vijayaraj
- Biological Oceanography Division, CSIR-National Institute of Oceanography, Dona-Paula, Goa 403004, India
| | - Mohan A Dhale
- Food Microbiology Department, CSIR-Central Food Technological Research Institute, Mysore 570020, Karnataka, India
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21
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Shen Y, Zhang Z, Xiao K. Evaluation of cobalt oxide, copper oxide and their solid solutions as heterogeneous catalysts for Fenton-degradation of dye pollutants. RSC Adv 2015. [DOI: 10.1039/c5ra18923c] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Co0.5Cu0.5O nanoparticles were synthesized via the calcination of corresponding oxalates and showed outstanding catalytic performance for the Fenton-degradation of Congo red.
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Affiliation(s)
- Yi Shen
- College of Light Industry and Food Sciences
- South China University of Technology
- Guangzhou
- China
| | - Zhihui Zhang
- College of Light Industry and Food Sciences
- South China University of Technology
- Guangzhou
- China
| | - Kaijun Xiao
- College of Light Industry and Food Sciences
- South China University of Technology
- Guangzhou
- China
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22
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Jiao R, Tan Y, Jiang Y, Hu M, Li S, Zhai Q. Ordered Mesoporous Silica Matrix for Immobilization of Chloroperoxidase with Enhanced Biocatalytic Performance for Oxidative Decolorization of Azo Dye. Ind Eng Chem Res 2014. [DOI: 10.1021/ie5011492] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Yi Tan
- College
of Science, Beijing University of Chemical Technology, Beijing, 100029,P.R. China
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