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Senganiselvi M, Seethalakshmi T, Arumugam N. Hierarchically design MoS 2/CdNi@RGO ultra-thin hybrid sheet for Photocatalytic degradation of organic contaminants fingerprinting in environmental matrices. ENVIRONMENTAL RESEARCH 2024; 260:119568. [PMID: 38971357 DOI: 10.1016/j.envres.2024.119568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 06/23/2024] [Accepted: 07/04/2024] [Indexed: 07/08/2024]
Abstract
The aim of this study was to synthesize effective and economical MoS2/CdNi@rGO photocatalysts and investigate their performance in the degradation of organic pollutants in synthetic effluent. The objective was to assess the characterization results of the synthesized photocatalysts using XRD, SEM/EDS, TEM/HR-TEM, Raman spectrum, and BET isotherm analysis tools. These analyses revealed the good adhesion of MoS2 with rGO and provided insights into the structure and properties of the materials. The results showed that the MoS2/CdNi@rGO photocatalysts exhibited remarkable degradation efficiency for organic pollutants such as Rhodamine-B, erichrome black, and malachite green. The outcomes of the study demonstrated that the MoS2/CdNi@rGO catalyst had the greatest rate constant for Rhodamine-B (RhB) decomposition. which would have been approximately 33 times higher than that of pure RGO (0.0121 min-1). The MoS2/CdNi@rGO photocatalysts also showed excellent recyclability and persistence across five recycle assays, indicating their potential for practical applications in wastewater treatment. The photocatalyst was moderately active, stable up to its fifth usage and stability of the photocatalyst before and after the photocatalytic reaction was also been studied using XRD and SEM. Further research in this area could lead to the development of advanced photocatalytic technologies for environmental remediation.
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Affiliation(s)
- M Senganiselvi
- PG and Research Department of Physics, Government Arts College (Autonomous) Karur-5, (Affiliated to Bharathidasan University, Tiruchirappalli), TN, India
| | - T Seethalakshmi
- PG and Research Department of Physics, Government Arts College (Autonomous) Karur-5, (Affiliated to Bharathidasan University, Tiruchirappalli), TN, India.
| | - Natarajan Arumugam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Mohamed HEA, Hilal‐Alnaqbi A, Dagher S, Akhozheya B, Maaza M. Green synthesis of CdWO
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Nanorods with Enhanced Photocatalytic Activity Utilizing Hyphaene Thebaica Fruit. ChemistrySelect 2022. [DOI: 10.1002/slct.202201442] [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)
- Hamza Elsayed Ahmed Mohamed
- UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology College of Graduate Studies University of South Africa Pretoria South Africa
- Nanosciences African Network (NANOAFNET) iThemba LABS-National Research Foundation of South Africa, SomersetWest Western Cape 7129 South Africa
| | | | - Sawsan Dagher
- Department of Electromechanical Engineering Abu Dhabi Polytechnic Abu Dhabi, UAE
| | - Boshra Akhozheya
- Department of Building & Architectural Engineering Polytechnic University of Milan Milan Italy
| | - Malik Maaza
- UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology College of Graduate Studies University of South Africa Pretoria South Africa
- Nanosciences African Network (NANOAFNET) iThemba LABS-National Research Foundation of South Africa, SomersetWest Western Cape 7129 South Africa
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Grabi H, Derridj F, Lemlikchi W, Guénin E. Studies of the potential of a native natural biosorbent for the elimination of an anionic textile dye Cibacron Blue in aqueous solution. Sci Rep 2021; 11:9705. [PMID: 33958626 PMCID: PMC8102514 DOI: 10.1038/s41598-021-88657-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 12/23/2020] [Indexed: 02/03/2023] Open
Abstract
This work is devoted to the adsorption of Cibacron Blue (CB) an anionic textile dye, on bean peel (BP) an agricultural waste with neither activation nor carbonization. The adsorption was realized in batch configuration at ambient temperature in acidic medium. The adsorbent was characterized by FTIR, SEM and BET analyses; the equilibrium isotherms and kinetics were also studied. It has been found that this waste could be used as a low-cost biosorbent for CB elimination under optimal working conditions. The rate of CB elimination reaches 95% on bean bark (3.6 g/L) at pH 2.2 and a reject concentration of 25 mg/L. The pseudo-second-order describes suitably the experimental data and the external diffusion is the rate-determining step. The Freundlich isotherm fits better the CB adsorption with a correlation coefficient (R2) of 0.94 and an RMSE = 1.5115. The negative enthalpy (ΔH) and free enthalpy (ΔG°) indicate a physical and spontaneous nature of the CB biosorption onto the biomaterial.
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Affiliation(s)
- Hocine Grabi
- Laboratory of Applied Chemistry and Chemical Enginering, Faculty of Sciences, UMMTO, 15000 Tizi Ouzou, Algeria
| | - Fazia Derridj
- Laboratory of Physics and Chemistry of Materials, Faculty of Sciences, UMMTO, 15000 Tizi Ouzou, Algeria
| | - Wahiba Lemlikchi
- Laboratory of Applied Chemistry and Chemical Enginering, Faculty of Sciences, UMMTO, 15000 Tizi Ouzou, Algeria ,University Algiers 1-Benyoucef Benkhedda, 02 Street Didouche Mourad, 16000 Algiers, Algeria
| | - Erwann Guénin
- Laboratory of Integrated Transformations of Renewable Matter, University of Technology of Compiègne, 60200 Compiègne, France
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Aygun A, Nas B, Sevimli MF. Electrocoagulation of Disperse Dyebath Wastewater: Optimization of Process Variables and Sludge Production. J ELECTROCHEM SCI TE 2021. [DOI: 10.33961/jecst.2020.00787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Bouhadjra K, Lemlikchi W, Ferhati A, Mignard S. Enhancing removal efficiency of anionic dye (Cibacron blue) using waste potato peels powder. Sci Rep 2021; 11:2090. [PMID: 33483564 PMCID: PMC7822877 DOI: 10.1038/s41598-020-79069-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/17/2020] [Indexed: 02/07/2023] Open
Abstract
In the present study, the potato peel waste (PP) was used for the removal of the anionic dye Cibacron Blue P3R from an aqueous solution, activated with phosphoric acid (PPa) and calcined at 800 °C (PPc). The materials were characterized by Scanning Electron Microscope, Energy dispersive X-ray analysis and Fourier Transform Infrared Spectroscopy. The effects of various experimental parameters (pH, dye concentration, contact time) were also studied. The experimental results have shown that PPc has a greater capacity compared to pp and ppa. The capacity of PP bio-char (PPc) is 270.3 mg g−1 compared to PP (100 mg g−1) and PPa (125 mg g−1). Equilibrium experiments at 180 min for all materials were carried out at optimum pH (2.2): 76.41, 88.6 and 94% for PP, PPa and PPc respectively; and the Langmuir models agreed very well with experimental data. The ability of sorbent for the sorption of CB dye follows this order: calcined > activated > native materials. Potato peel biochar (PPc) can be considered a promising adsorbent for removing persistent dyes from water.
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Affiliation(s)
- Kahina Bouhadjra
- Laboratory of Applied Chemistry and Chemical Engineering (LCAGC), University of Tizi-Ouzou, Tizi-Ouzou, Algeria.,High National School of Public Works (ENSTP), El Kouba, Algiers, Algeria
| | - Wahiba Lemlikchi
- Laboratory of Applied Chemistry and Chemical Engineering (LCAGC), University of Tizi-Ouzou, Tizi-Ouzou, Algeria. .,University of Algiers 1, Algiers, Algeria.
| | - Azedine Ferhati
- Laboratory Chemistry and Environmental Chemistry (LCCE), University of Batna 1, Batna, Algeria.
| | - Samuel Mignard
- Institute of Chemistry of Environments and Materials of Poitiers (IC2MP), Poitiers, France
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Nippatla N, Philip L. Electrochemical process employing scrap metal waste as electrodes for dye removal. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 273:111039. [PMID: 32741763 DOI: 10.1016/j.jenvman.2020.111039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 06/06/2020] [Accepted: 06/29/2020] [Indexed: 06/11/2023]
Abstract
In the present study, efficiency of electro-coagulation-flotation (EC-F) process using waste metal scrap of Al and Fe collected from construction and demolition waste of Indian Institute of Technology Madras (IIT M) campus for the removal of double azo bond dye Acid Red 66 (AR66) was studied. The key operating parameters such as current density and electrical conductivity were optimized individually with an initial dye concentration of 50 mg/L, at pH 7. Different electrode combinations and connection modes (parallel MP-P, series (MP-S, BP-S)) were tested, at pre-optimized conditions, in order to achieve better removal of AR66 dye with minimum energy consumption. Series connection in bipolar electrode mode (BP-S) showed better COD reduction from 164 mg/L to 26.2 mg/L with complete decolourization (BDL). Hybrid electrode system of Fe-Al-Fe-Al-Fe-Al showed maximum reduction of COD from 164 mg/L to 11.3 mg/L along with 86.3% TSS reduction and complete decolourization. LC-MS analysis showed the formation of intermediates with m/z 195, m/z 210.6 and m/z 159.3 due to the destruction of AR66 dye during electrolysis. Highest current efficiency (CE φ = 107%) was observed in case of hybrid electrode system compared to Al (φ = 30.1%) and Fe (φ = 98.3%) electrode system at similar operating conditions. Compared to the same electrode material as anode and cathode, use of appropriate hybrid electrode combination can improve the removal efficiency and reduce the energy consumption (ENC). The influence of aeration on the performance of the system was also studied. Aeration significantly improved the COD removal efficiency (98.3%) along with complete decolourization (100%). The use of waste metal scrap as electrodes reduced the overall cost of the treatment process from 1.6 $/m3 to 0.06 $/m3. Using waste metal scrap as electrodes not only reduces the metal accumulation in the environment but also reduces the cost of EC-F process.
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Affiliation(s)
- Narasamma Nippatla
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai, 600 036, India
| | - Ligy Philip
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai, 600 036, India.
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Srikantha H, Shivaswamy M, Mahesh S. Batch electrochemical coagulation of real textile wastewater using Cu-SS and SS-Cu electrode combinations and its settleability aspects. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:1467-1483. [PMID: 33079724 DOI: 10.2166/wst.2020.426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Copper and stainless steel electrodes were used in batch electrochemical coagulation (BECC) for the treatment of real textile wastewater using 16 electrode combinations. Out of 16 Cu-SS and SS-Cu combinations (eight combinations each), only 4SS and 3SS-1Cu electrodes operated at cell voltage of 18 V and current density of 180 A/m2 gave maximum color and chemical oxygen demand (COD) removals. The COD removal was observed to be 89.37% for 4SS and 72.34% for 3SS 1Cu electrodes from CODo 3,012 mg/L. Color removal was 97% and 98% from its initial value of 1,000 Pt-Co unit for 4SS and 3SS-1Cu combinations. Water quality parameters like total dissolved solids, chloride, nitrate, phosphate, and sulphate reduced from their initial values while using all 4SS and 3SS-1Cu electrode arrangements. Other control factors exercised for optimal operations were ECC floc settling pattern and sludge volume index (SVI). SVI values were found to be <100 mL/g for both electrode combinations.
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Affiliation(s)
- Hanumanthappa Srikantha
- School of Civil Engineering, Faculty of Engineering and Technology, Jain (Deemed-to-be) University, Jakkasandra Post, Kanakapura Road, Bengaluru 562112, India E-mail:
| | - Mahesh Shivaswamy
- Department of Environmental Engineering, Sri Jayachamarajendra College of Engineering, JSS Science & Technology University, Mysuru 570006, India
| | - Sahana Mahesh
- Department of Environmental Engineering, Sri Jayachamarajendra College of Engineering, JSS Science & Technology University, Mysuru 570006, India
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Łuba M, Mikołajczyk T, Pierożyński B, Smoczyński L, Wojtacha P, Kuczyński M. Electrochemical Degradation of Industrial Dyes in Wastewater through the Dissolution of Aluminum Sacrificial Anode of Cu/Al Macro-Corrosion Galvanic Cell. Molecules 2020; 25:E4108. [PMID: 32911834 PMCID: PMC7571142 DOI: 10.3390/molecules25184108] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/26/2020] [Accepted: 09/03/2020] [Indexed: 12/07/2022] Open
Abstract
This paper reports on the process of industrial-type wastewater purification carried-out through continuous anodic dissolution of aluminum alloy sacrificial anode for artificially aerated Cu-Al alloy galvanic (macro-corrosion) cells and synthetically prepared wastewater solutions. Electrochemical experiments were performed by means of a laboratory size electrolyzer unit, where the electrocoagulation process along with surface-induced electrooxidation phenomena were examined for wastewater containing Acid Mixture and Disperse Red 167 dyes. Final reduction of the dyes concentrations came to 32 and 99% for Acid Mixture and Disperse Red 167, correspondingly. The above was visualized through the employment of electrochemical (cyclic voltammetry and a.c. impedance spectroscopy techniques) and instrumental spectroscopy analyses.
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Affiliation(s)
- Mateusz Łuba
- Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Łódzki Square 4, 10-727 Olsztyn, Poland; (M.Ł.); (L.S.); (M.K.)
| | - Tomasz Mikołajczyk
- Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Łódzki Square 4, 10-727 Olsztyn, Poland; (M.Ł.); (L.S.); (M.K.)
| | - Bogusław Pierożyński
- Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Łódzki Square 4, 10-727 Olsztyn, Poland; (M.Ł.); (L.S.); (M.K.)
| | - Lech Smoczyński
- Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Łódzki Square 4, 10-727 Olsztyn, Poland; (M.Ł.); (L.S.); (M.K.)
| | - Paweł Wojtacha
- Department of Industrial and Food Microbiology, Faculty of Food Science, University of Warmia and Mazury in Olsztyn, Cieszyński Square 1, 10-726 Olsztyn, Poland;
| | - Mateusz Kuczyński
- Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Łódzki Square 4, 10-727 Olsztyn, Poland; (M.Ł.); (L.S.); (M.K.)
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9
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Recent advances in MXenes supported semiconductors based photocatalysts: Properties, synthesis and photocatalytic applications. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2019.12.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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10
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Barman S, Basu S. Complete removal of endocrine disrupting compound and toxic dye by visible light active porous g-C 3N 4/H-ZSM-5 nanocomposite. CHEMOSPHERE 2020; 241:124981. [PMID: 31606579 DOI: 10.1016/j.chemosphere.2019.124981] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/23/2019] [Accepted: 09/26/2019] [Indexed: 05/06/2023]
Abstract
Photocatalytic degradation of toxic pollutants is an efficient technique to completely remove the toxic pollutants from water bodies. In the present investigation, photocatalytic degradation of pollutants was studied over porous g-C3N4/H-ZSM-5 nanocomposite under visible light irradiation. The composite g-C3N4/H-ZSM-5 was synthesized by mixing an aqueous solution of H-ZSM-5 zeolite (increases surface area and provides active sites for degradation) with melamine (precursor of g-C3N4) for 10-12 h followed by calcinations at 550 °C. The photocatalyst was characterized by XRD, BET, HRTEM, FESEM, EDS and elemental mapping analysis. These techniques confirmed that, g-C3N4/H-ZSM-5 composite have layered and porous structure with uniform distribution of g-C3N4 on H-ZSM-5 surface. The BET N2 adsorption-desorption analysis verified that the catalyst has high surface area (∼175 m2/g) having mesopores and micropores. The prepared catalyst was then used for the photodegradation of a model dye, Methylene Blue (MB) and an endocrine disrupting compound, Fipronil (FIP). Effects of various parameters such as pH, catalyst dose and scavengers were also studied. The % photocatalytic degradation of MB and FIP were around ∼92% and ∼84% with a high rate constants of 0.00997 and 0.00875 min-1, respectively. From the scavenger study, OH (hydroxyl radical) and radical was found to be the major reactive species for MB and FIP degradation. From these studies it is revealed that, the catalyst is visible active, easy to prepare and an efficient photocatalyst for toxic pollutant degradation.
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Affiliation(s)
- Sanghamitra Barman
- Department of Chemical Engineering, Thapar Institute of Engineering and Technology, Patiala, 147004, India.
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India.
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Prasad C, Liu Q, Tang H, Yuvaraja G, Long J, Rammohan A, Zyryanov GV. An overview of graphene oxide supported semiconductors based photocatalysts: Properties, synthesis and photocatalytic applications. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.111826] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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12
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Singh J, Sharma S, Aanchal, Basu S. Synthesis of Fe2O3/TiO2 monoliths for the enhanced degradation of industrial dye and pesticide via photo-Fenton catalysis. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.03.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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13
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Darvishi Cheshmeh Soltani R, Jorfi S, Alavi S, Astereki P, Momeni F. Electrocoagulation of textile wastewater in the presence of electro-synthesized magnetite nanoparticles: simultaneous peroxi- and ultrasonic-electrocoagulation. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1574827] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
| | - Sahand Jorfi
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Environmental Health Engineering, School of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saba Alavi
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Parvin Astereki
- Department of Environmental Health Engineering, School of Health, Arak University of Medical Sciences, Arak, Iran
| | - Fatemeh Momeni
- Department of Environmental Health Engineering, School of Health, Arak University of Medical Sciences, Arak, Iran
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14
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Degradation of toxic industrial dyes using SnO2/g-C3N4 nanocomposites: Role of mass ratio on photocatalytic activity. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.11.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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15
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Kebaili M, Djellali S, Radjai M, Drouiche N, Lounici H. Valorization of orange industry residues to form a natural coagulant and adsorbent. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.03.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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16
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Acharya S, Sharma S, Chauhan G, Shree D. Statistical Optimization of Electrocoagulation Process for Removal of Nitrates Using Response Surface Methodology. INDIAN CHEMICAL ENGINEER 2017. [DOI: 10.1080/00194506.2017.1365630] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sanigdha Acharya
- University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka, India
| | - S.K. Sharma
- University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka, India
| | - Garima Chauhan
- University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka, India
| | - Darshan Shree
- University School of Chemical Technology, Guru Gobind Singh Indraprastha University, Dwarka, India
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Al-Qodah Z, Al-Shannag M. Heavy metal ions removal from wastewater using electrocoagulation processes: A comprehensive review. SEP SCI TECHNOL 2017. [DOI: 10.1080/01496395.2017.1373677] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zakaria Al-Qodah
- Chemical Engineering Department, Faculty of Engineering Technology Al-Balqa Applied University, Amman, Jordan
| | - Mohammad Al-Shannag
- Chemical Engineering Department, School of Engineering, The University of Jordan, Amman, Jordan
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18
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de Souza PSA, Cerqueira AA, Rigo MM, de Paiva JL, Couto RSP, Merçon F, Perez DV, Marques MRC. Oilfield water treatment by electrocoagulation-reverse osmosis for agricultural use: effects on germination and early growth characteristics of sunflower. ENVIRONMENTAL TECHNOLOGY 2017; 38:1151-1159. [PMID: 27485681 DOI: 10.1080/09593330.2016.1218941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This study aims to evaluate the effects of oilfield water (OW), treated by a hybrid process of electrocoagulation and reverse osmosis (EC-RO), on seed germination and early growth characteristics of sunflower (Heliantus annus L.). In the EC step, tests were conducted with 28.6 A m-2 current density and 4 min. reaction time. In the RO step, the system was operated with 1 L min-1 constant flow and 2 MPa, 2.5 MPa and 3 MPa feed pressures. In all feed pressures, RO polymeric membranes achieved very high removals of chemical oxygen demand (up to 89%) and oils and greases (100%) from EC-treated effluent. In best feed pressure (2.5 MPa), turbidity, total dissolved salts, electrical conductivity, salinity, toxic ions and sodium adsorption ratio values attained internationally recognized standards for irrigation water. Using EC-RO (feed pressure:2.5 MPa) treated OW, germinated sunflower seeds percentage (86 ± 6%), speed of germination (30 ± 2) and biomass production (49 ± 5 mg) were statistically similar to control (distilled water) results. Vigor index average values obtained using OW treated by EC-RO (3871)were higher than that obtained by OW water treated by EC (3300). The results of this study indicate that EC-RO seems to be a promising alternative for treatment of OW aiming sunflower crops irrigation, since the use of this treated effluent did not affect adversely seed germination and seedling development, and improved seedling vigor. Furthermore, OW treatment by EC-RO reduces sodium levels into acceptable standards values avoiding soil degradation.
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Affiliation(s)
- Paulo S A de Souza
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
- b Osorio Foundation , Ministry of Defense of Brazil , Rio de Janeiro , Brazil
| | - Alexandre A Cerqueira
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Michelle M Rigo
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Julieta L de Paiva
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Rafael S P Couto
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Fábio Merçon
- c Department of Biochemical Process Technology , State University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Daniel V Perez
- d Brazilian Agricultural Research Corporation , Ministry of Agriculture , Rio de Janeiro , Brazil
| | - Monica R C Marques
- a Environmental Technology Laboratory , State University of Rio de Janeiro , Rio de Janeiro , Brazil
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Defluoridation of Post Treated Photovoltaic Wastewater Using Aluminum Electrodes: Optimization of Operating Parameters and Sludge Characteristics. J SOLUTION CHEM 2016. [DOI: 10.1007/s10953-016-0507-5] [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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20
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Mahesh S, Garg KK, Srivastava VC, Mishra IM, Prasad B, Mall ID. Continuous electrocoagulation treatment of pulp and paper mill wastewater: operating cost and sludge study. RSC Adv 2016. [DOI: 10.1039/c5ra27486a] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Schematic view of continuous electrocoagulation set up.
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Affiliation(s)
- S. Mahesh
- Department of Chemical Engineering
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
- Department of Environmental Engineering
| | - Krishan Kishor Garg
- Department of Chemical Engineering
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | | | - Indra Mani Mishra
- Department of Chemical Engineering
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
- Department of Chemical Engineering
| | - Basheshwar Prasad
- Department of Chemical Engineering
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Indra Deo Mall
- Department of Chemical Engineering
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
- Department of Chemical Engineering
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Semerjian L, Damaj A, Salam D. Comparative study of humic acid removal and floc characteristics by electrocoagulation and chemical coagulation. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:670. [PMID: 26439123 DOI: 10.1007/s10661-015-4886-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 09/22/2015] [Indexed: 06/05/2023]
Abstract
The current study aims at investigating the efficiency of electrocoagulation for the removal of humic acid from contaminated waters. In parallel, conventional chemical coagulation was conducted to asses humic acid removal patterns. The effect of varying contributing parameters (matrix pH, humic acid concentration, type of electrode (aluminum vs. iron), current density, solution conductivity, and distance between electrodes) was considered to optimize the electrocoagulation process for the best attainable humic acid removal efficiencies. Optimum removals were recorded at pH of 5.0-5.5, an electrical conductivity of 3000 μS/cm at 25 °C, and an electrode distance of 1 cm for both electrode types. With aluminum electrodes, a current density of 0.05 mA/cm2 outperformed 0.1 mA/cm2 yet not higher densities, whereas a current density of 0.8 mA/cm2 was needed for iron electrodes to exhibit comparable performance. With both electrode types, higher initial humic acid concentrations were removed at a slower rate but ultimately attained almost complete removals. On the other hand, the best humic acid removals (∼90%) by chemical coagulation were achieved at 4 mg/L for both coagulants. Also, higher removals were attained at elevated initial humic acid concentrations. Humic acid removals of 90% or higher at an initial HA concentration of 40 mg/L were exhibited, yet alum performed better at the highest experimented concentration. It was evident that iron flocs were larger, denser, and more geometrical in shape compared to aluminum flocs.
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Affiliation(s)
- Lucy Semerjian
- Department of Civil and Environmental Engineering, American University of Beirut, P.O. Box 11-0236, Beirut, Lebanon.
- University of Sharjah, P.O. Box 27272, Sharjah, UAE.
| | - Ahmad Damaj
- Department of Civil and Environmental Engineering, American University of Beirut, P.O. Box 11-0236, Beirut, Lebanon
| | - Darine Salam
- Department of Civil and Environmental Engineering, American University of Beirut, P.O. Box 11-0236, Beirut, Lebanon
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Demirci Y, Pekel LC, Altınten A, Alpbaz M. Application of fuzzy control on the electrocoagulation process to treat textile wastewater. ENVIRONMENTAL TECHNOLOGY 2015; 36:3243-3252. [PMID: 26040211 DOI: 10.1080/09593330.2015.1058423] [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: 03/18/2015] [Accepted: 05/29/2015] [Indexed: 06/04/2023]
Abstract
Electrocoagulation (EC) is one of the effective ways of removing colour, turbidity and chemical oxygen demand from wastewater. In spite of the high-power consumption, EC has been gaining increasingly more attention due to its simplicity and effectiveness compared to the technical challenges and costs of conventional processes. Conductivity and pH are the main factors that affect the efficiency of wastewater treatment and its cost. Controlling the conductivity and pH of a wastewater treatment system is very important since it directly determines the amount of energy that must be used. We propose the use of fuzzy logic to control both conductivity and pH during the EC process, and we apply this approach in the treatment of textile wastewater. Removal efficiencies and operating costs of the EC process for dynamic and fuzzy-controlled cases are compared.
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Affiliation(s)
- Y Demirci
- a Department of Environmental Engineering, Faculty of Engineering , Adıyaman University , Adıyaman 02040 , Turkey
| | - L C Pekel
- b Department of Chemical Engineering, Faculty of Engineering , Ankara University , Tandoğan , Ankara 06100 , Turkey
| | - A Altınten
- c Department of Chemical Engineering, Faculty of Engineering , Gazi University , Maltepe , Ankara 06570 , Turkey
| | - M Alpbaz
- b Department of Chemical Engineering, Faculty of Engineering , Ankara University , Tandoğan , Ankara 06100 , Turkey
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Boudjema N, Drouiche N, Abdi N, Grib H, Lounici H, Pauss A, Mameri N. Treatment of Oued El Harrach river water by electrocoagulation noting the effect of the electric field on microorganisms. J Taiwan Inst Chem Eng 2014. [DOI: 10.1016/j.jtice.2013.10.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Nandi BK, Patel S. Removal of Brilliant Green from Aqueous Solution by Electrocoagulation using Aluminum Electrodes: Experimental, Kinetics, and Modeling. SEP SCI TECHNOL 2014. [DOI: 10.1080/01496395.2013.838682] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Zeboudji B, Drouiche N, Lounici H, Mameri N, Ghaffour N. The Influence of Parameters Affecting Boron Removal by Electrocoagulation Process. SEP SCI TECHNOL 2013. [DOI: 10.1080/01496395.2012.731125] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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