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Tanatti NP, Sezer M. Optimizing electrocoagulation for poultry slaughterhouse wastewater treatment: a fuzzy axiomatic design approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:31159-31173. [PMID: 38627343 PMCID: PMC11096256 DOI: 10.1007/s11356-024-33069-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 03/20/2024] [Indexed: 05/18/2024]
Abstract
White meat consumption is increasing day by day, and accordingly, there is an increase in the amount of wastewater resulting from the processes. Today, the reuse of wastewater has become a goal within the scope of the Green Deal. For this reason, wastewater treatment with high pollution and volume has gained importance. In this study, the fuzzy axiomatic design (FAD) method, one of the multi-criteria decision-making methods, has been used. With this method, coagulation, electrocoagulation (EC), dissolved air flotation (DAF), and anaerobic treatment alternatives preferred in poultry slaughterhouse wastewater (PSW) treatment were compared with each other and their information contents were calculated. The information content from the smallest to the largest is EC, DAF, coagulation, and anaerobic treatment, respectively. This treatment method was chosen because the smallest information content is in electrocoagulation. EC was applied to bloody PSW containing 1% blood by volume. The effectiveness of Fe and Al electrodes for PSW treatment in the batch EC reactor has been compared. The effective surface areas of 2 anodes and 2 cathodes connected bipolarly in the processes are 288 cm2. The electrolyte, pH, time, and current density effects on energy consumption were also investigated. The optimum conditions for Al and Fe electrodes were found to be 0.5 g·L-1 NaCl concentration, pH 5, 0.639 mA·cm-2 current density, and 5 min time. Under optimum conditions for the Fe electrode, COD, TOC, TN, and oil-grease removal efficiencies were determined as 76.3%, 71.8%, 70%, and 74%, respectively. Moreover, the highest COD, TOC, TN, and oil-grease removal efficiencies were achieved with an Al electrode (82.2%, 82.3%, 82.7%, and 78.9%, respectively). The experimental data were fit to a variety of isotherms and kinetic models to determine the characteristics of the EC. The results indicated that the pseudo-second-order equation provided the best fit for COD removal. Under optimum conditions, the operating cost was calculated as $3.39 and $3.09 for Al and Fe electrodes, respectively. In this study, the fuzzy axiomatic design method was used for the first time to select the most appropriate treatment method for PSW. In addition, blood, a major problem for the poultry slaughterhouse industry, was mixed with PSW at a ratio of 1% (v/v) and treated with EC for the first time with high removal efficiency. By treating PSW, which has a high pollution load, with electrocoagulation, the pollution load of the water to be given to secondary treatment has been greatly reduced.
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Affiliation(s)
- Nazire Pınar Tanatti
- Department of Environmental Protection Technologies, Sakarya University of Applied Sciences, 54100, Sakarya, Turkey
| | - Mesut Sezer
- Department of Environmental Engineering, Kocaeli University, 41001, Kocaeli, Turkey.
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2
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Ghaffarian Khorram A, Fallah N, Nasernejad B, Afsham N, Esmaelzadeh M, Vatanpour V. Electrochemical-based processes for produced water and oily wastewater treatment: A review. CHEMOSPHERE 2023; 338:139565. [PMID: 37482313 DOI: 10.1016/j.chemosphere.2023.139565] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
The greatest volume of by-products produced in oil and gas recovery operations is referred to as produced water and increasing environmental concerns and strict legislations on discharging it into the environment cause to more attention for focusing on degradation methods for treatment of produced water especially electrochemical technologies. This article provides an overview of electrochemical technologies for treating oily wastewater and produced water, including: electro-coagulation, electro-Fenton, electrochemical oxidation and electrochemical membrane reactor as a single stage and combination of these technologies as multi-stage treatment process. Many researchers have carried out experiments to examine the impact of various factors such as material (i.e, electrode material) and operational conditions (i.e., potential, current density, pH, electrode distance, and other factors) for organic elimination to obtain the high efficiency. Results of each method are reviewed and discussed according to these studies, comprehensively. Furthermore, several challenges need to be overcome and perspectives for future study are proposed for each method.
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Affiliation(s)
| | - Narges Fallah
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran.
| | - Bahram Nasernejad
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Neda Afsham
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Mahdi Esmaelzadeh
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Tehran, Iran; National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, Turkey.
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3
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Chen H, Wang K, She S, Yu X, Yu L, Xue G, Li X. Insight into dissolved organic nitrogen transformation and characteristics: Focus on printing and dyeing wastewater treatment process. JOURNAL OF HAZARDOUS MATERIALS 2023; 450:131086. [PMID: 36857832 DOI: 10.1016/j.jhazmat.2023.131086] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 01/30/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Textile industry discharges large amounts of printing and dyeing wastewater (PDW) containing high concentration of refractory dissolved organic nitrogen (DON). However, the DON transformation and characteristics during PDW treatment, and its potential environment impact receive little concern. Treatment groups of dyeing wastewater (G-RB5), printing wastewater (G-Urea) and domestic wastewater (G-NH4Cl) with Reactive Black 5 (RB5), Urea and NH4Cl as influent nitrogen species were set to compare the DON behavior during the hydrolytic acidification-aerobic-anoxic process. G-RB5 exhibited higher DON concentrations with greater fluctuations, and its effluent dominated low molecular weight (LMW) and hydrophilic DON, showing high bioavailability (67.6%) and low biodegradation (8.0%). In the aerobic section, the concentration of microorganism-derived DON in G-RB5 was higher but the nitrogen species were fewer than G-Urea and G-NH4Cl. Grey relational analysis revealed that Proteobacteria and Thauera were the common bacteria strains showing high association degree (γ > 0.9) with biodegradable DON (ABDON) in all groups; while microbes related with biodegradable DON (BDON) varied between groups. The higher contents of DON, ABDON, LMW-DON and hydrophilic DON induced by RB5 highlight the importance of controlling DON from textile industry to mitigate the potential risk like algae growth stimulation, which needs more attention in future.
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Affiliation(s)
- Hong Chen
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Kai Wang
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Shuaiqi She
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Xin Yu
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Luying Yu
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Gang Xue
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Xiang Li
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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Nobakht A, Jafari D, Esfandyari M. New insights on the adsorption of phenol red dyes from synthetic wastewater using activated carbon/Fe 2(MoO 4) 3. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:574. [PMID: 37060479 DOI: 10.1007/s10661-023-11178-w] [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: 01/19/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Water shortage is considered as one of the main challenges of human life. A practical solution to this problem is the wastewater treatment. The removal of dyes from wastewaters has received considerable critical attention by researchers due to their high volume and toxicity. In the current research, the adsorption of phenol red dyes from synthetic wastewater using the activated carbon produced from Mespilus germanica modified with Fe2(MoO4)3 was studied. The proposed adsorbent was characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray analysis (EDX)/Map, Brunauer-Emmett-Teller (BET), and Raman techniques. The optimal adsorption operating parameters including pH, stirring rate, temperature, dosage of adsorbent, dye initial concentration, and contact time were 3, 500 rpm, 25 °C, 1 g/L, 10 mg/L, and 60 min, respectively. Furthermore, the successful regeneration of the adsorbent for 3 times, using methanol solution as a regeneration medium, denoted its capability in performing adsorption and desorption processes. Equilibrium studies showed that the adsorption of phenol red dyes by activated carbon (AC)/Fe2(MoO4)3 was desirable and physical and the experimental data were fitted well by the Freundlich model. In addition, the kinetic behavior of the current adsorption process was well described by the pseudo-second-order kinetic model, while thermodynamic calculations showed that the process was exothermic and spontaneous.
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Affiliation(s)
- Alireza Nobakht
- Department of Chemical Engineering, Dashtestan Branch, Islamic Azad University, Bushehr, Iran
| | - Dariush Jafari
- Department of Chemical Engineering, Bushehr Branch, Islamic Azad University, Bushehr, Iran.
| | - Morteza Esfandyari
- Department of Chemical Engineering, University of Bojnord, Bojnord, Iran
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5
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Mass-producible low-cost flexible electronic fabrics for azo dye wastewater treatment by electrocoagulation. Chin J Chem Eng 2023. [DOI: 10.1016/j.cjche.2023.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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6
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Dehdar A, Reza Rahmani A, Azarian G, Jamshidi R, Moradi S. Removal of furfural using zero gap electrocoagulation by a scrap iron anode from aqueous solution. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Nasrullah M, Ansar S, Krishnan S, Singh L, Peera SG, Zularisam AW. Electrocoagulation treatment of raw palm oil mill effluent: Optimization process using high current application. CHEMOSPHERE 2022; 299:134387. [PMID: 35339529 DOI: 10.1016/j.chemosphere.2022.134387] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 03/05/2022] [Accepted: 03/18/2022] [Indexed: 06/14/2023]
Abstract
In the electrocoagulation wastewater treatment process, extremely polluted water treatment requires an effective technique, and using high current is one of those. This study aims to optimize electrocoagulation parameters such as operation time, electrodes gap and the initial pH by applying high current intensity to treat palm oil mill effluent (POME) via Box-Behnken design (BBD) method. Chemical oxygen demand (COD), biological oxygen demand (BOD), and suspended solids (SS) were used as the response variables in the quadratic polynomial model. Most of the selected models in the analysis of variance (ANOVA) have shown significant results. A high connection between the parameters and dependent variables was surprisingly discovered in this study which the obtained value of R2 for removal percentage of COD, BOD and SS were 0.9975, 0.9984 and 0.9979 respectively. Optimal removal was achieved at 19.07 A of current intensity (equivalent to 542 mA/cm2 of current density), 44.97 min of treatment time, 8.60 mm of inter-electrode distance and 4.37 of pH value, resulted in 97.21%, 99.26% and 99.00% of COD, BOD and SS removal respectively. This optimized scheme of operating parameters combination offers an alternate choice for enhancing the treatment efficiency of POME and also can be a benchmark for other researchers to treat highly polluted wastewater.
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Affiliation(s)
- Mohd Nasrullah
- Faculty of Civil Engineering Technology, Universiti Malaysia Pahang (UMP), Lebuhraya Tun Razak, 26300, Gambang, Kuantan, Pahang, Malaysia
| | - Sabah Ansar
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia
| | - Santhana Krishnan
- PSU Energy Systems Research Institute, Department of Civil Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
| | - Lakhveer Singh
- Energy Cluster, School of Engineering, University of Petroleum and Energy Studies (UPES), Energy Acres, Via Premnager, Dehradun 248007, India; Department of Civil Engineering, Centre for Research & Development, Chandigarh University, Mohali, 140413, Punjab, India
| | - Shaik Gouse Peera
- Department of Environmental Science and Engineering, Keimyung University, Daegu, 42602, Republic of Korea
| | - A W Zularisam
- Faculty of Civil Engineering Technology, Universiti Malaysia Pahang (UMP), Lebuhraya Tun Razak, 26300, Gambang, Kuantan, Pahang, Malaysia.
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8
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Qian J, Cao L, Hu X, Li Y, Wang R, Shen M, Qu J. Preparation of RGO film based BiVO4 (040) composites with photocatalytic properties. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202200161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jiaqi Qian
- Nantong University school of textile and clothing Nantong University main campus, No. 9, Siyuan Road, Langshan Town Street, Chongc 226019 Nantong CHINA
| | | | | | | | | | | | - Jiangang Qu
- nantong university school of textile and clothing No.9 Seyuan Road, Nantong City, Jiangsu Province, China 206019 Nantong CHINA
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9
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Hosseini-Sarvari M, Jafari F, Dehghani A. The study of TiO2/Cu2O nanoparticles as an efficient nanophotocalyst toward surface adsorption and photocatalytic degradation of methylene blue. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02474-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Sebti A, Boutra B, Trari M, Igoud S. Solar photodegradation of Solophenyl Red 3BL and Neuro-Fuzzy modeling: kinetic, mechanism and mineralization studies. REACTION KINETICS MECHANISMS AND CATALYSIS 2022. [DOI: 10.1007/s11144-022-02215-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Hendaoui K, Trabelsi-Ayadi M, Ayari F. Optimization of continuous electrocoagulation-adsorption combined process for the treatment of a textile effluent. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2020.10.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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12
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Microbial decolorization of Reactive Black 5 dye by Bacillus albus DD1 isolated from textile water effluent: kinetic, thermodynamics & decolorization mechanism. Heliyon 2022; 8:e08834. [PMID: 35198750 PMCID: PMC8844646 DOI: 10.1016/j.heliyon.2022.e08834] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 10/03/2021] [Accepted: 01/21/2022] [Indexed: 11/24/2022] Open
Abstract
Reactive Black 5 is one of the most widely used dye in textile and other industries. It is one of the significantly toxic azo dye which poses a serious threat to the environment when discharged into water bodies. A bacterial strain having potential to decolourise and degrade RB5 was isolated from textile effluent, and further identified and characterized. On the basis of morphological, biochemical, and 16s rRNA sequence analysis, the isolate was identified as Bacillus albus DD1. It showed 98% removal of RB5 from aqueous medium within 38 h under optimum parameters, pH 7, temperature 40 °C, in the presence of 1% yeast extract as a co-substrate, and 25% inoculum size at the initial dye concentration of 50 mg/l. Kinetic study revealed the decolorization reaction is a first order non- spontaneous reaction. The rate constant and reaction rate for RB5 decolourization in presence of the isolate was 0.0523 s−1 and 2.6 × 10−3 mol/m3 sec, respectively. Values for ΔH and ΔS of the decolourization reaction, determined by thermodynamic analysis, were estimated to be +20.80 kJ/mol and ΔS = −0.1 kJ/mol K, respectively. LC-MS analysis revealed that decolorization was due to degradation of RB5 by cleavage of azo-bond by the bacterium, with the formation of s 3,6,8-trihyroxynapthalene and phthalic acid as degradation products. Therefore, the bacterium Bacillus albus DD1 has potential for application in biological treatment of dye contaminated industrial waste water. Bacterial strain Bacillus albus DD1 having potential to decolourise and degrade RB5 was isolated, identified and characterized. Effect of process parameters like pH, temperature, yeast extract as a co-substrate, inoculum size and initial dye concentration on the decolorization reaction was studied, the isolate showed growth and decolorization at alkaline pH 9 and 40 °C temperature, indicating its suitability for field application. More than 98% removal of RB5 was achieved within 38 h using the bacterial isolate, and a significant negative correlation existed between RB5 decolourization and bacterial growth. Bio-decolorization process followed the first order kinetics, rate constant and reaction rate for RB5 decolourization, was 0.0523 s−1 and 2.6 × 10−3 mol/m3 sec, respectively. Reduction of azo bond and subsequent biodegradation of RB5 and were confirmed through LC-MS and 3,6,8-trihyroxynapthalene and phthalic acid were identified as degradation products.
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Koulini GV, Laiju AR, Ramesh ST, Gandhimathi R, Nidheesh PV. Effective degradation of azo dye from textile wastewater by electro-peroxone process. CHEMOSPHERE 2022; 289:133152. [PMID: 34875291 DOI: 10.1016/j.chemosphere.2021.133152] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 05/09/2023]
Abstract
Color-producing chemicals emitted from many sources, such as textile or dye manufacturing industries, are a significant concern worldwide. The present study focuses on the electro-peroxone (EP) process for decolorizing a synthetic azo dye, C.I. Reactive Black 5 (RB5). Findings suggest that the EP process is more effective for dye degradation than ozonation and electrolysis. The EP process resulted in 100% decolorization after 60 min of contact time under optimum testing conditions such as pH 7, applied current 300 mA, and sulfate concentration 3.55 g L-1. Based on the findings of the primary investigation, EP treatment of real textile effluent was carried out and 2 h of EP treatment resulted in 99% decolorization and 74%total organic carbon (TOC) removal. As an outcome, the EP process can treat textile wastewater in a cost-effective and environmentally friendly manner.
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Affiliation(s)
- G V Koulini
- Department of Civil Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India
| | - A R Laiju
- Department of Civil Engineering, National Institute of Technology, Uttarakhand, India
| | - S T Ramesh
- Department of Civil Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India.
| | - R Gandhimathi
- Department of Civil Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India.
| | - P V Nidheesh
- CSIR- National Environmental Engineering Research Institute, Nagpur, Maharashtra, India.
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14
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Purifying cyanide-bearing wastewaters by electrochemical precipitate process using sacrificial Zn anode. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120250] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Kothari MS, Vegad KG, Shah KA, Aly Hassan A. An artificial neural network combined with response surface methodology approach for modelling and optimization of the electro-coagulation for cationic dye. Heliyon 2022; 8:e08749. [PMID: 35146148 PMCID: PMC8819527 DOI: 10.1016/j.heliyon.2022.e08749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/12/2021] [Accepted: 01/10/2022] [Indexed: 11/24/2022] Open
Abstract
An artificial neural network (ANN) approach with response surface methodology (RSM) technique has been applied to model and optimize the removal process of Brilliant Green dye by batch electrocoagulation process. A multilayer perceptron (MLP) - ANN model has been trained by four input neurons which represent the reaction time, current density, pH, NaCl concentration, and two output neurons representing the dye removal efficiency (%) and electrical energy consumption (kWh/kg). The optimized hidden layer neurons were obtained based on a minimum mean squared error. The batch electrocoagulation process was optimized using central composite design with RSM once the ANN network was trained and primed to anticipate the output. At optimized condition (electrolysis time 10 min, current density 80 A/m2, initial pH 5 and electrolyte NaCl concentration 0.5 g/L), RSM projected decolorization of 98.83% and electrical energy consumption of 14.99 kWh/kg. This study shows that the removal of brilliant green dye can be successfully carried out by a batch electrocoagulation process. Therefore, the process is successfully trained by ANN and optimized by RSM for similar applications.
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Xie M, Qian J, Li Y, Yang H, Qu J, Hu X, Mao Q. Construction of an integrated multi-layer textile for solar-driven steam generation. APPLIED OPTICS 2021; 60:4930-4937. [PMID: 34143055 DOI: 10.1364/ao.422841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Solar steam generation has widespread application in wastewater treatment, seawater desalination, liquid-liquid separation, and other fields, providing potential opportunities for producing fresh water. Up until now, most researchers in this field focused on enhancing the evaporation rate of the solar steam generation device. However, problems in terms of its portability and flexibility still exist when it comes to real application scenarios. Herein, we propose a novel, to the best of our knowledge, integrated multi-layer textile composed of reduced graphene oxide/cotton (RGO/cotton) fabric, cotton yarn, and polypropylene (PP) fabric for solar-driven steam generation. The evaporation rate obtained by the integrated multi-layer textile as prepared is ${0.83}\;{{\rm kg\cdot m}^{- 2}}\cdot{{\rm h}^{- 1}}$ under one sun solar radiation, which is 3.16 times higher than that of blank experiment and is superior to many previously reported works. Its remarkable evaporation performance is mainly attributed to the inherent multi-layer structures, where porous RGO/cotton fabric exhibits ultra-water vapor permeability, hydrophilic cotton yarn supplies water continuously, and low-density hydrophobic PP fabric hinders heat sustainably. Based on the results of application performance evaluation, the integrated multi-layer textile with scalable manufacturability, portability, durability, and flexibility is expected to boost the development of solar-driven steam generation.
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17
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Hendaoui K, Trabelsi-Ayadi M, Ayari F. Optimization and mechanisms analysis of indigo dye removal using continuous electrocoagulation. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.07.065] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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18
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Treatment of Water Contaminated with Reactive Black-5 Dye by Carbon Nanotubes. MATERIALS 2020; 13:ma13235508. [PMID: 33287120 PMCID: PMC7730969 DOI: 10.3390/ma13235508] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 11/23/2022]
Abstract
Most of the dyes used today by the textile industry are of synthetic origin. These substances, many of which are highly toxic, are in many cases not adequately filtered during the processing stages, ending up in groundwater and water courses. The aim of this work was to optimize the adsorption process of carbon nanotubes to remove an azo-dye, called Reactive Black-5, from aqueous systems. Particular systems containing carbon nanotubes and dye solutions were analyzed. Furthermore, the reversibility of the process and the presence of possible degradation phenomena by the dye molecules were investigated. For this purpose, the influence of different parameters on the adsorption process, such as the nature of the carbon nanotubes (purified and nonpurified), initial concentration of the dye, stirring speed, and contact times, were studied. The solid and liquid phases after the tests were characterized by chemical-physical techniques such as thermogravimetric analysis (TG, DTA), UV spectrophotometry, BET (Brunauer, Emmett, Teller), and TOC (total organic carbon) analysis. The data obtained showed a high adsorbing capacity of carbon nanotubes in the removal of the Reactive Black-5 dye from aqueous systems. Furthermore, the efficiency of the adsorption process was observed to be influenced by the stirring speed of the samples and the contact time, while purified and nonpurified nanotubes provided substantially the same results.
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Qu J, Qian J, Wu M, Mao Q, Li M. Hydrothermal synthesis of cotton-based BiVO 4/Ag composite for photocatalytic degradation of C.I. Reactive Black 5. RSC Adv 2020; 10:39295-39303. [PMID: 35518440 PMCID: PMC9057338 DOI: 10.1039/d0ra07588d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 10/19/2020] [Indexed: 11/21/2022] Open
Abstract
Photocatalytic materials with high efficiency and convenient recyclability have attracted great interest for the treatment of printing and dyeing wastewater. In this paper, a narrow band gap BiVO4 photocatalyst was loaded onto Ag modified cotton fabric by a hydrothermal method. The prepared composite materials were characterized by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and ultraviolet visible light absorption spectroscopy (UV-vis). The composite materials as prepared show superb photocatalytic activity and reusable performance for the degradation of C.I. Reactive Black 5 (RB5). The degradation rate can reach 99% within 90 min under 1 kW xenon lamp irradiation, and over 90% of the photocatalytic performance is preserved even after five recycles. Furthermore, the photocatalytic mechanism was proposed by spectral analysis and free radical trapping experiments.
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Affiliation(s)
- Jiangang Qu
- School of Textile and Clothing, Nantong University Nantong Jiangsu 226019 China
| | - Jiaqi Qian
- School of Textile and Clothing, Nantong University Nantong Jiangsu 226019 China
| | - Mengtao Wu
- School of Textile and Clothing, Nantong University Nantong Jiangsu 226019 China
| | - Qinghui Mao
- School of Textile and Clothing, Nantong University Nantong Jiangsu 226019 China
| | - Min Li
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University Wuxi Jiangsu 224122 China
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Gautam K, Verma RK, Kamsonlian S, Kumar S. Decolorization of Reactive Black B from wastewater by electro-coagulation: optimization using multivariate RSM and ANN. CHEMICAL PRODUCT AND PROCESS MODELING 2020. [DOI: 10.1515/cppm-2020-0043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The present study is aimed to model and optimize the electrocoagulation (EC) process with five important parameters for the decolorization of Reactive Black B (RBB) from simulated wastewater. A multivariate approach, response surface methodology (RSM) together with central composite design (CCD) is used to optimize process parameters such as pH (5–9), electrode gap (0.5–2.5 cm), current density (2.08–10.41 mA/cm2), process time (10–30 min), and initial dye concentration (100–500 mg/l). The predicted percentage decolorization of dye is obtained as 97.21% at optimized conditions: pH (6.8), gapping (1.3 cm), current density (8.32 mA/cm2), time (23 min), and initial dye concentration (200 mg/L), which is very close to experimental percent decolorization (98.41%). The statistical analysis of variance (ANOVA) is performed to evaluate the quadratic model (RSM), and shows good fit of experimental data with coefficient of determination R2 >0.93. An Artificial Neural Network (ANN) is also used to predict the percentage decolorization and gives overall 94.96% which shows performance accuracy between the predicted and actual value of decolorization. The additional considerations of operating cost and current efficiency are also taken care to show the efficacy of EC process with mathematical tool. The sludge characteristics are determined by FE-SEM/EDX.
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Affiliation(s)
- Kajal Gautam
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad , Uttarpradesh 211004 , India
| | - Rishi K. Verma
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad , Uttarpradesh 211004 , India
| | - Suantak Kamsonlian
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad , Uttarpradesh 211004 , India
| | - Sushil Kumar
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad , Uttarpradesh 211004 , India
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21
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Zhou P, Lin S, Yu L, Tao S, Song G, Yao J, Peng Z. Synthesis of tannin-immobilized cellulose and its adsorption properties for berberine hydrochloride. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2020.1827956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Peng Zhou
- Hunan Research Center for Safety Evaluation of Drugs, Changsha, China
| | - Siyu Lin
- Hunan Research Center for Safety Evaluation of Drugs, Changsha, China
| | - Lilin Yu
- Hunan Research Center for Safety Evaluation of Drugs, Changsha, China
| | - Shuqin Tao
- Hunan Research Center for Safety Evaluation of Drugs, Changsha, China
| | - Genglin Song
- College of Chemistry and Chemical Engineering, Jishou University, Jishou, China
| | - Jinxin Yao
- College of Chemistry and Chemical Engineering, Jishou University, Jishou, China
| | - Zhiyuan Peng
- College of Chemistry and Chemical Engineering, Jishou University, Jishou, China
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22
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Bendaia M, Hazourli S, Aitbara A, Nait Merzoug N. Performance of electrocoagulation for food azo dyes treatment in aqueous solution: optimization, kinetics, isotherms, thermodynamic study and mechanisms. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1806883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Marwa Bendaia
- Laboratory of Water Treatment and Valorization of Industrial Wastes, Chemistry Department, Faculty of Sciences, Badji-Mokhtar University, Annaba, Algeria
| | - Sabir Hazourli
- Laboratory of Water Treatment and Valorization of Industrial Wastes, Chemistry Department, Faculty of Sciences, Badji-Mokhtar University, Annaba, Algeria
| | - Adel Aitbara
- Laboratory of Physical Chemistry of Materials, Chemistry Department, Faculty of Sciences and Technology, Chadli Bendjedid University, El Tarf, Algeria
| | - Nesrine, Nait Merzoug
- Laboratory of Water Treatment and Valorization of Industrial Wastes, Chemistry Department, Faculty of Sciences, Badji-Mokhtar University, Annaba, Algeria
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23
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Electrochemical Degradation of Reactive Black 5 using two-different reactor configuration. Sci Rep 2020; 10:4482. [PMID: 32161357 PMCID: PMC7066175 DOI: 10.1038/s41598-020-61501-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 02/18/2020] [Indexed: 11/27/2022] Open
Abstract
Novel Sb-doped SnO2 ceramic electrodes sintered at different temperatures, are applied to the degradation of Reactive Black 5 in both divided and undivided electrochemical reactors. In the undivided reactor the discoloration of the solution took place via the oxidation of RB5 dye, without the corresponding reduction in the chemical oxygen demand for the ceramic electrodes. However, in the divided one, it was possible to achieve the discoloration of the solution while at the same time decreasing the chemical oxygen demand through the ·OH-mediated oxidation, although the chemical oxygen demand degradation took place at a slower rate.
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24
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Mofradi M, Karimi H, Ghaedi M. Hydrophilic polymeric membrane supported on silver nanoparticle surface decorated polyester textile: Toward enhancement of water flux and dye removal. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2019.09.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Abstract
This work aims to investigate possible interferences due to the presence of sodium carbonate on the photodegradation of the reactive Black 5 azoic dye, both in systems containing only titanium oxide and those containing titanium oxide and hydrogen peroxide. The role of hydrogen peroxide is explicitly treated. Sodium carbonate, in fact, is often present in the wastewater of textile industries as it is used in the fiber dyeing phases. The use of TiO2 nanoparticles is emphasized, and the possible danger is underlined. Each system was subjected to ultraviolet irradiation (UV) by varying the exposure time. After the photodegrading tests, the resulting solutions were analyzed by UV-vis spectrophotometry and High-Resolution Nuclear Magnetic Resonance to measure the residual concentrations of dye. The dye degradation curves and reaction rates for different UV exposure times were obtained and discussed as a function of the used additives. All the data are repeated three times, and they differ only by a maximum of 5%. The results indicated a reduction of about 50% of the initial concentration of Reactive Black 5 after 30 min under optimal experimental conditions. The NMR analysis indicated the formation of a series of aromatic structures that were generated by the UV-induced photochemical fragmentation of the original molecule.
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26
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Yang HY, Liu J, Wang YX, He CS, Zhang LS, Mu Y, Li WH. Bioelectrochemical decolorization of a reactive diazo dye: Kinetics, optimization with a response surface methodology, and proposed degradation pathway. Bioelectrochemistry 2019; 128:9-16. [DOI: 10.1016/j.bioelechem.2019.02.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/15/2019] [Accepted: 02/16/2019] [Indexed: 12/20/2022]
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27
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Phalakornkule C, Suandokmai T, Petchakan S. A solar powered direct current electrocoagulation system with hydrogen recovery for wastewater treatment. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1627371] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Chantaraporn Phalakornkule
- Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
- The Research Center for Renewable Energy and Product, Science and Technology Research Institute, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
| | - Thanakamol Suandokmai
- Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
| | - Sivinee Petchakan
- Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
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28
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Gautam K, Kumar S, Kamsonlian S. Decolourization of Reactive Dye from Aqueous Solution using Electrocoagulation: Kinetics and Isothermal Study. ACTA ACUST UNITED AC 2019. [DOI: 10.1515/zpch-2017-1044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Abstract
Reactive dyes are essential materials for the modern lifestyle due to rapid industrialization and urbanization, but they cause adverse effects on the environment. This research work aimed to decolourize the synthetic aqueous solution containing Reactive Black B (RBB) dye using electrocoagulation (EC) process with iron electrodes in batch reactor. The effect of operational parameters such as initial pH (3–9), the distance between electrodes (0.5–2 cm), current density (1.1–8.4 mA/cm2) and initial dye concentration (100–400 mg/L), was investigated in the presence of sodium chloride to maintain the conductivity of electrolytes. Under optimal value of process parameters, high decolourization (99.6%) was obtained at 25 min. The experimental data showed that pseudo-second order kinetics with a correlation coefficient (R
2 = 0.97) and Sips isotherm with a correlation coefficient (R
2 = 0.98) were found to be well fitted for kinetic and adsorption equilibrium models, respectively. The economic efficiency was also calculated on the basis of electrical energy consumption (EEC), specific electrical energy consumption (SEEC), and current efficiency, respectively. Moreover, characterization of EC generated sludge was also carried out by proximate analysis, IR spectra and XRD analysis. The results revealed that EC process using Fe electrode is quite efficient and clean process for decolourization of reactive dye from aqueous solution.
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Affiliation(s)
- Kajal Gautam
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad – 211004, India
| | - Sushil Kumar
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad – 211004, India
| | - Suantak Kamsonlian
- Department of Chemical Engineering , Motilal Nehru National Institute of Technology (MNNIT) , Allahabad – 211004, India
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29
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Vidya Vijay EV, Jerold M, Ramya Sankar MS, Lakshmanan S, Sivasubramanian V. Electrocoagulation using commercial grade aluminium electrode for the removal of crystal violet from aqueous solution. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2019; 79:597-606. [PMID: 30975926 DOI: 10.2166/wst.2019.066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The current research work studies the removal of crystal violet (also known as gentian violet), a kind of dye, from simulated wastewater by electrocoagulation using scrap aluminium roofing sheet as electrode in a batch electrochemical cell. Optimization of different operational parameters - pH, current density, time, initial concentration - was carried out experimentally. The equilibrium was attained at 1 hour and at pH 11. After suitable optimization, a removal of above 90% was achieved at an optimum current density of 20 mA/m2. Also, the adsorption behaviour of crystal violet in electrocoagulation was also studied and the isothermal and kinetic models were proposed to be the Dubinin-Radushkevich model and pseudo-first order model. The mechanism involved during the process was suggested as chemisorption. The adsorption thermodynamic studies were a clear indication that the process is spontaneous and endothermic as well as thermodynamically favourable too. Both chemical and physical characterization of the flocs generated during the electrolysis was explained by Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM) respectively.
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Affiliation(s)
- E V Vidya Vijay
- Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, 673 601 Kerala, India
| | - M Jerold
- Department of Biotechnology, National Institute of Technology Warangal, Telangana State, India E-mail:
| | - M S Ramya Sankar
- Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, 673 601 Kerala, India
| | - Sanjay Lakshmanan
- Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, 673 601 Kerala, India
| | - V Sivasubramanian
- Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode, 673 601 Kerala, India
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30
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Nasrullah M, Zularisam A, Krishnan S, Sakinah M, Singh L, Fen YW. High performance electrocoagulation process in treating palm oil mill effluent using high current intensity application. Chin J Chem Eng 2019. [DOI: 10.1016/j.cjche.2018.07.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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31
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Aveiro LR, Da Silva AGM, Candido EG, Antonin VS, Parreira LS, Papai R, Gaubeur I, Silva FL, Lanza MRV, Camargo PHC, Santos MC. Application and stability of cathodes with manganese dioxide nanoflowers supported on Vulcan by Fenton systems for the degradation of RB5 azo dye. CHEMOSPHERE 2018; 208:131-138. [PMID: 29864704 DOI: 10.1016/j.chemosphere.2018.05.107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/16/2018] [Accepted: 05/17/2018] [Indexed: 06/08/2023]
Abstract
This work describes the electrochemical degradation of Reactive Black 5 (RB5) by two methods: electrochemical and photo-assisted electrochemical degradation with and without a Fenton reagent. Two anodes were used, Pt and boron-doped diamond (BDD, 2500 ppm), and the cathode was 3% MnO2 nanoflowers (NFMnO2) on a carbon gas diffusion electrode (GDE). An electrochemical cell without a divider with a GDE with 3% w/w NFMnO2/C supported on carbon Vulcan XC72 was used. The decolorization efficiency was monitored by UV-vis spectroscopy, and the degradation was monitored by Total Organic Carbon (TOC) analysis. For dissolution monitoring, aliquots (1 mL) were collected during the degradation. After 6 h of H2O2 electrogeneration, the manganese concentration in the RB5 solution was only 23.1 ± 1.2 μg L-1. It was estimated that approximately 60 μg L-1 (<0.2%) of manganese migrated from the GDE to the solution after 12 h of electrolysis, which indicated the good stability of the GDE. The photoelectro-Fenton-BDD (PEF-BDD) processes showed both the best color removal percentage (∼93%) and 91% of mineralization. The 3% NFMnO2/C GDE is promising for RB5 degradation.
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Affiliation(s)
- L R Aveiro
- Federal University of ABC, UFABC, Centre of Natural and Human Sciences, Laboratory of Electrochemistry and Nanostructured Materials, St André, CEP 09210-170, Brazil
| | - A G M Da Silva
- University Sao Paulo, USP, Institute of Chemistry, São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000, Brazil
| | - E G Candido
- University Sao Paulo, USP, Institute of Chemistry, São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000, Brazil
| | - V S Antonin
- Federal University of ABC, UFABC, Centre of Natural and Human Sciences, Laboratory of Electrochemistry and Nanostructured Materials, St André, CEP 09210-170, Brazil; University Sao Paulo, USP, Institute of Chemistry of São Carlos, São Carlos, SP CEP 13560-970, São Carlos, Brazil
| | - L S Parreira
- University Sao Paulo, USP, Institute of Chemistry, São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000, Brazil
| | - R Papai
- Federal University of ABC, UFABC, Centre of Natural and Human Sciences, Laboratory of Electrochemistry and Nanostructured Materials, St André, CEP 09210-170, Brazil
| | - I Gaubeur
- Federal University of ABC, UFABC, Centre of Natural and Human Sciences, Laboratory of Electrochemistry and Nanostructured Materials, St André, CEP 09210-170, Brazil
| | - Fernando L Silva
- University Sao Paulo, USP, Institute of Chemistry of São Carlos, São Carlos, SP CEP 13560-970, São Carlos, Brazil
| | - M R V Lanza
- University Sao Paulo, USP, Institute of Chemistry of São Carlos, São Carlos, SP CEP 13560-970, São Carlos, Brazil
| | - P H C Camargo
- University Sao Paulo, USP, Institute of Chemistry, São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000, Brazil.
| | - M C Santos
- Federal University of ABC, UFABC, Centre of Natural and Human Sciences, Laboratory of Electrochemistry and Nanostructured Materials, St André, CEP 09210-170, Brazil.
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32
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Ghaemi N, Safari P. Nano-porous SAPO-34 enhanced thin-film nanocomposite polymeric membrane: Simultaneously high water permeation and complete removal of cationic/anionic dyes from water. JOURNAL OF HAZARDOUS MATERIALS 2018; 358:376-388. [PMID: 30005249 DOI: 10.1016/j.jhazmat.2018.07.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/30/2018] [Accepted: 07/03/2018] [Indexed: 06/08/2023]
Abstract
Thin-film nanocomposite (TFN) membranes were prepared by embedding nano-porous SAPO-34 nanoparticles in a polypyrrole thin-film layer polymerized on PES substrate. SEM, EDX, AFM, hydrophilicity, zeta potential and MWCO measurements were applied to verify characteristics of membranes. TFN membranes presented considerably higher pure water permeability (by more than 300%) due to high hydrophilicity and also nano-channels created in thin-film. Performance of TFN membranes were also evaluated by removal of different anionic and cationic dyes (methyl violet 6B, reactive blue 4 and acid blue 193) from water. TFN membranes effectively removed 100% of all dyes from feed aqueous solutions with a low concentration (50 mg/l). Moreover, TFN membrane prepared with the highest amount of nano-filler presented an elevated water flux in filtration of solutions containing each dyes (e.g. more than 500% for reactive blue 4), a reduced flux decline ratio (36%) and also a higher flux recovery ratio (85%) in comparison with the pristine thin-film membrane, consequently indicating high performance of TFN membranes and potential of recovery just after a simple water washing. TFN membranes also revealed an efficient performance in filtration of high concentrations of dye solutions as well as in treatment of a real wastewater produced by a weaving company.
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Affiliation(s)
- Negin Ghaemi
- Department of Chemical Engineering, Kermanshah University of Technology, 67178 Kermanshah, Iran.
| | - Parisa Safari
- Department of Chemical Engineering, Kermanshah University of Technology, 67178 Kermanshah, Iran
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33
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Silveira JE, Cardoso TO, Barreto-Rodrigues M, Zazo JA, Casas JA. Electro activation of persulfate using iron sheet as low-cost electrode: the role of the operating conditions. ENVIRONMENTAL TECHNOLOGY 2018; 39:1208-1216. [PMID: 28443369 DOI: 10.1080/09593330.2017.1323960] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 04/25/2017] [Indexed: 06/07/2023]
Abstract
This work assesses the role of the operational conditions upon the electro-activation of persulfate (PS) using sacrificed iron electrode as a continuous low-cost Fe2+ source. An aqueous phenol solution (100 mg L-1) was selected as model effluent. The studied variables include current density (1-10 mA cm-2), persulfate concentration (0.7-2.85 g L-1), temperature (30-90°C) and the solution conductivity (2.7-20.7 mS cm-1) using Na2SO4 and NaCl as supporting electrolyte. A mineralization degree of around 80% with Na2SO4 and 92% in presence of NaCl was achieved at 30°C using 2.15 g L-1 PS at the lowest current density tested (1 mA cm-2). Besides PS concentration, temperature was the main variable affecting the process. In the range of 30-70°C, it showed a positive effect, achieving TOC conversion above 95% (using Na2SO4 under the previous conditions) along with a significant increase in iron sludge, which adversely affects the economy of the process. A lumped and simplified kinetic model based on persulfate consumption and TOC mineralization is suggested. The activation energy obtained for the TOC decay was 29 kJ mol-1. An estimated operating cost of US$ 3.00 per m3 was obtained, demonstrating the economic feasibility of this process.
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Affiliation(s)
| | - Tais O Cardoso
- a Chemical Engineering , Autonomous University of Madrid , Madrid , Spain
| | - Marcio Barreto-Rodrigues
- a Chemical Engineering , Autonomous University of Madrid , Madrid , Spain
- b Department of Chemistry, Postgraduate Programme in Technology of Chemical and Biochemical Processes , Federal Technological University of Paraná , Pato Branco , Brazil
| | - Juan A Zazo
- a Chemical Engineering , Autonomous University of Madrid , Madrid , Spain
| | - José A Casas
- a Chemical Engineering , Autonomous University of Madrid , Madrid , Spain
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34
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Treatment of Dye Wastewater from Textile Industry by Electrocoagulation and Fenton Oxidation: A Review. WATER SCIENCE AND TECHNOLOGY LIBRARY 2018. [DOI: 10.1007/978-981-10-5795-3_11] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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35
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Nordin N, Yahaya BH, Yusop MR. Electrochemical synthesis and in vitro cytotoxicity study of copper(ii) carboxylates with different fatty acid alkyl chain lengths. NEW J CHEM 2018. [DOI: 10.1039/c8nj02783h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study examines the optimum electrolysis parameters and cytotoxic effects of Cu(ii) carboxylates with different alkyl chain fatty acid ligands.
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Affiliation(s)
- Norazzizi Nordin
- School of Chemical Sciences
- Universiti Sains Malaysia
- Pulau Pinang
- Malaysia
| | - Badrul Hisham Yahaya
- Regenerative Medicine Cluster
- Advance Medical and Dental Institute
- Universiti Sains Malaysia
- Bertam
- Pulau Pinang
| | - Muhammad Rahimi Yusop
- School of Chemical Sciences and Food Technology
- Faculty of Science and Technology
- Universiti Kebangsaan Malaysia
- Selangor
- Malaysia
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36
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Liu C, Cheng L, Zhao Y, Zhu L. Interfacially crosslinked composite porous membranes for ultrafast removal of anionic dyes from water through permeating adsorption. JOURNAL OF HAZARDOUS MATERIALS 2017; 337:217-225. [PMID: 28525882 DOI: 10.1016/j.jhazmat.2017.04.032] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 03/15/2017] [Accepted: 04/10/2017] [Indexed: 05/27/2023]
Abstract
The dye wastewater is one of the most difficult industrial wastewaters to treat. It keeps a big challenge to realize fast removal of dyes from water by membrane filtration due to the trade-off between separation selectivity and permeation flux for ultrafiltration or nanofiltration (NF) process. Here we report novel composite porous membranes which can remove anionic dyes from water by ultrafast permeating adsorption. A crosslinked polyethyleneimine (PEI) polymer with strong adsorption ability was incorporated onto a nylon microfiltration membrane by the interfacial amidation reaction between PEI and trimesoyl chloride. The obtained composite membranes were used for the decolorization of dye solution by permeation mode. It was shown that the composite membranes were able to nearly completely remove anionic dyes in acidic conditions with high permeation fluxes. In an optimized case, the adsorption capacity of Sunset Yellow for the composite membranes reached 0.7mg/cm2 with a high flux of 85L/m2h under a ultralow pressure of 0.01bar. This flux was far much higher than that of NF membranes, about 10L/m2hbar. The pH-dependent electrostatic interaction between PEI and anionic dyes was responsible for the rapid dye removal. The adsorption saturated membranes could be effectively regenerated by a simple alkaline washing.
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Affiliation(s)
- Cuijing Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China
| | - Liang Cheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China
| | - Yifan Zhao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China
| | - Liping Zhu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China.
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37
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Fajardo AS, Martins RC, Silva DR, Martínez-Huitle CA, Quinta-Ferreira RM. Dye wastewaters treatment using batch and recirculation flow electrocoagulation systems. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.07.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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38
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Garcia-Segura S, Eiband MMS, de Melo JV, Martínez-Huitle CA. Electrocoagulation and advanced electrocoagulation processes: A general review about the fundamentals, emerging applications and its association with other technologies. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.07.047] [Citation(s) in RCA: 261] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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39
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Mook WT, Ajeel MA, Aroua MK, Szlachta M. The application of iron mesh double layer as anode for the electrochemical treatment of Reactive Black 5 dye. J Environ Sci (China) 2017; 54:184-195. [PMID: 28391928 DOI: 10.1016/j.jes.2016.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 02/10/2016] [Accepted: 02/15/2016] [Indexed: 06/07/2023]
Abstract
In this work a novel anode configuration consisting of an iron mesh double layer is proposed for the electrochemical treatment of wastewater. The removal of Reactive Black 5 dye (RB5) from synthetic contaminated water was used as a model system. At a constant anode surface area, identical process operating parameters and batch process mode, the iron mesh double layer electrode showed better performance compared to the conventional single layer iron mesh. The double layer electrode was characterized by RB5 and chemical oxygen demand (COD) removal efficiency of 98.2% and 97.7%, respectively, kinetic rate constant of 0.0385/min, diffusion coefficient of 4.9×10-5cm2/sec and electrical energy consumption of 20.53kWh/kgdye removed. In the continuous flow system, the optimum conditions suggested by Response Surface Methodology (RSM) are: initial solution pH of 6.29, current density of 1.6mA/cm2, electrolyte dose of 0.15g/L and flow rate of 11.47mL/min which resulted in an RB5 removal efficiency of 81.62%.
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Affiliation(s)
- Wei Tze Mook
- Department of Chemical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Mohammed A Ajeel
- Department of Chemical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | | | - Małgorzata Szlachta
- Department of Environmental Engineering, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
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A characteristic study on generation and interactive effect of electrocoagulated floc with Direct Green 1 and Reactive Red 2. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.01.106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Cuervo Lumbaque E, Gomes MF, Da Silva Carvalho V, de Freitas AM, Tiburtius ERL. Degradation and ecotoxicity of dye Reactive Black 5 after reductive-oxidative process : Environmental Science and Pollution Research. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:6126-6134. [PMID: 27384167 DOI: 10.1007/s11356-016-7150-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 06/23/2016] [Indexed: 06/06/2023]
Abstract
This research paper describes the study of a reduction-oxidation system using commercial steel wool (Fe0) and H2O2 for degradation of the dye Reactive Black 5 and aromatic compounds in water. The reductive process alone allowed the almost complete removal of color (97 ± 1 %) after 60 min of reaction. The decrease in spectral area (λ = 599 nm) associated with the chromophore group indicates breakage of the azo bonds. Moreover, the significant change in UV spectra can be associated with the formation of aromatic amines. Regarding the transformation products, a spectrophotometric method based on the diazotization reaction was employed to identify aromatic amines after reductive process, using sulfanilic acid as a model of aromatic amines. In addition, association with Fenton reagents improved the efficiency in the system with 93 ± 1 % degradation of intermediates formed during the reductive process. Ecotoxicological analysis revealed that the dye solution, after the reductive and oxidative processes, was not toxic to Lactuca sativa seeds. For Daphnia magna, the EC50 (%) values observed revealed that dye solution has an EC50(%) = 74.1 and after reductive process, the toxicity increased (EC50(%) = 63.5), which might be related to the formation of aromatic amines. However, after the Fenton process, the EC50 (%) was >100. These results demonstrated that the Fenton reaction using steel wool as an iron source was very efficient to decrease color, aromatic transformation products, and the ecotoxicity of Reactive Black 5 in solution.
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Mook WT, Aroua MK, Szlachta M, Lee CS. Optimisation of Reactive Black 5 dye removal by electrocoagulation process using response surface methodology. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2017; 75:952-962. [PMID: 28234295 DOI: 10.2166/wst.2016.563] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this work, a regression model obtained from response surface methodology (RSM) was proposed for the electrocoagulation (EC) treatment of textile wastewater. The Reactive Black 5 dye (RB5) was used as a model dye to evaluate the performance of the model design. The effect of initial solution pH, applied current and treatment time on RB5 removal was investigated. The total number of experiments designed by RSM amounted to 27 runs, including three repeated experimental runs at the central point. The accuracy of the model was evaluated by the F-test, coefficient of determination (R2), adjusted R2 and standard deviation. The optimum conditions for RB5 removal were as follows: initial pH of 6.63, current of 0.075 A, electrolyte dose of 0.11 g/L and EC time of 50.3 min. The predicted RB5 removal was 83.3% and the percentage error between experimental and predicted results was only 3-5%. The obtained data confirm that the proposed model can be used for accurate prediction of RB5 removal. The value of the zeta potential increased with treatment time, and the X-ray diffraction pattern shows that iron complexes were found in the sludge.
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Affiliation(s)
- W T Mook
- Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia E-mail:
| | - M K Aroua
- Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia E-mail:
| | - M Szlachta
- Department of Environmental Engineering, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, Wrocław 50-370, Poland
| | - C S Lee
- Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia E-mail:
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Abstract
AbstractThe conventional coagulation technique of textile wastewater treatments is plagued with the issue of low removal rate of pollutants and generation of a large quantity of sludge. Recently, electrocoagulation (EC) technique gained immense attention due to its efficiency. The technique involves dissolution of the sacrificial anodes to provide an active metal hydroxide as a strong coagulant that destabilizes and amasses particles and then removes them by precipitation or adsorption. EC process is influenced by operating parameters such as applied current density, electrodes material and configuration, type of electrical connection, pH and conductivity of the solution, and mixing state. Consequently, this work reviewed the major and minor reactions of EC process with operational parameters, design of EC cell, mass transfer studies and modeling, and industrial wastewater applications. The work also includes comparison of EC technique with conventional coagulation and combinations with other techniques. Special emphasis is on removal of pollutants from textile wastewater. Further, the electrical energy supplies and cost analysis are also discussed. Even though several publications have covered EC process recently, no review work has treated the systematic process design and how to minimize the effect of passivation layer deposited on the surface of the electrodes. EC process with rotating electrodes has been recommended to reduce this phenomenon. The effect of electrodes geometry is considered to enhance the conductivity of the cell and reduce energy consumption. The studies of ionic mass transfer were not implemented before special by limiting current method during the EC process. Moreover, no aforementioned studies used computational fluid dynamics modeling to present the mass transfer inside the EC reactor.
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Electrocoagulation-Adsorption to Remove Anionic and Cationic Dyes from Aqueous Solution by PV-Energy. J CHEM-NY 2017. [DOI: 10.1155/2017/5184590] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The cationic dye malachite green (MG) and the anionic dye Remazol yellow (RY) were removed from aqueous solutions using electrocoagulation-adsorption processes. Batch and continuous electrocoagulation procedures were performed and compared. Carbonaceous materials obtained from industrial sewage sludge and commercial activated carbons were used to adsorb dyes from aqueous solutions in column systems with a 96–98% removal efficiency. The continuous electrocoagulation-adsorption system was more efficient for removing dyes than electrocoagulation alone. The thermodynamic parameters suggested the feasibility of the process and indicated that the adsorption was spontaneous and endothermic (ΔS=0.037 and −0.009 for MG and RY, resp.). The ΔG value further indicated that the adsorption process was spontaneous (−6.31 and −10.48; T=303 K). The kinetic electrocoagulation results and fixed-bed adsorption results were adequately described using a first-order model and a Bohart-Adams model, respectively. The adsorption capacities of the batch and column studies differed for each dye, and both adsorbent materials showed a high affinity for the cationic dye. Thus, the results presented in this work indicate that a continuous electrocoagulation-adsorption system can effectively remove this type of pollutant from water. The morphology and elements present in the sludge and adsorbents before and after dye adsorption were characterized using SEM-EDS and FT-IR.
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Phalakornkule C, Luanwuthi T, Neragae P, Moore EJ. A continuous-flow sparged packed-bed electrocoagulator for dye decolorization. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.03.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Assadi A, Soudavari A, Mohammadian M. Comparison of Electrocoagulation and Chemical Coagulation Processes in Removing Reactive red 196 from Aqueous Solution. ACTA ACUST UNITED AC 2016. [DOI: 10.29252/jhehp.1.3.172] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Prediction of Photocatalytic Degradation and Mineralization Efficiencies of Basic Blue 3 Using $${{\rm TiO}_{2}}$$ TiO 2 by Nonlinear Modeling Based on Box–Behnken Design. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2016. [DOI: 10.1007/s13369-016-2175-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Production of carbonaceous material from avocado peel for its application as alternative adsorbent for dyes removal. Chin J Chem Eng 2016. [DOI: 10.1016/j.cjche.2015.11.029] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Gholami M, Shirzad-Siboni M, Yang JK. Application of Ni-doped ZnO rods for the degradation of an azo dye from aqueous solutions. KOREAN J CHEM ENG 2016. [DOI: 10.1007/s11814-015-0218-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Vidal J, Villegas L, Peralta-Hernández JM, Salazar González R. Removal of Acid Black 194 dye from water by electrocoagulation with aluminum anode. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2016; 51:289-296. [PMID: 26745322 DOI: 10.1080/10934529.2015.1109385] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Application of an electrocoagulation process (EC) for the elimination of AB194 textile dye from synthetic and textile wastewater (effluent) contaminated with AB194 dye, was carried out using aluminum anodes at two different initial pH values. Tafel studies in the presence and absence of the dye were performed. The aluminum species formed during the electrolysis were quantified by atomic absorption, and the flocs formed in the process were analyzed by HPLC-MS. Complete removal of AB194 from 1.0 L of solution was achieved applying low densities current at initial pH values of 4.0 and 8.0. The removal of AB194 by EC was possible with a short electrolysis time, removing practically 100% of the total organic carbon content and chemical oxygen demand. The final result was completely discolored water lacking dye and organic matter. An effluent contaminated with 126 mg L(-1) AB194 dye from a Chilean textile industry was also treated by EC under optimized experimental conditions, yielding discolored water and considerably decreasing the presence of organic compounds (dye + dyeing additives), with very low concentrations of dissolved Al(3+). Analysis of flocs showed the presence of the original dye without changes in its chemical structure.
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Affiliation(s)
- Jorge Vidal
- a Department of Materials Chemistry, Laboratory of Environmental Electrochemistry, LEQMA, Faculty of Chemistry and Biology , Santiago , Chile
| | - Loreto Villegas
- b Department of Environmental Sciences , Faculty of Chemistry and Biology, Santiago, University of Santiago of Chile, USACH , Correo , Santiago , Chile
| | - Juan M Peralta-Hernández
- c University of Guanajuato, Division of Natural and Exact Sciences , Department of Chemistry , Guanajuato , México
| | - Ricardo Salazar González
- a Department of Materials Chemistry, Laboratory of Environmental Electrochemistry, LEQMA, Faculty of Chemistry and Biology , Santiago , Chile
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