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K PN, Pattnaik BK, Das S. Comparative evaluation between Taguchi method and response surface method for optimization of electrocoagulation process in the context of treatment of dairy industry wastewater. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:663. [PMID: 38922358 DOI: 10.1007/s10661-024-12784-y] [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: 11/29/2023] [Accepted: 06/06/2024] [Indexed: 06/27/2024]
Abstract
The presence of a large amount of organic and inorganic pollutants in dairy effluent is a substantial environmental issue. This study investigated electrocoagulation (EC) as a potential treatment method for dairy wastewater under different operating conditions, such as applied voltage (5-25 V), electrolysis time (30-90 min), and inter-electrode distance (1-2 cm) by using aluminum electrodes. This study focuses on achieving the maximum removal of BOD, COD, and nitrate in dairy effluents with the aforementioned operating conditions. The process was optimized using the response surface methodology (RSM) and Taguchi method. RSM method optimized the electrocoagulation operating conditions such as the voltage at 23.75 V, time of 90 min, and inter-electrode distance at 1.07 cm. This optimization achieved the maximum removal percentage of BOD, COD, and nitrate at 79.06%, 84.35%, and 79.64%, respectively, in dairy effluent. Taguchi method optimized the electrocoagulation parameters such as the voltage at 25 V, time duration of 90 min, and inter-electrode distance of 1.00 cm, showcasing improved removal percentages of BOD, COD, and nitrate as 90.54%, 89.28%, and 82.74% respectively. The current study attempts to understand the optimization efficiencies between Taguchi method and response surface method for diary wastewater treatment.
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Affiliation(s)
- Praful N K
- Department of Civil Engineering, Symbiosis International (Deemed University), Symbiosis Institute of Technology, Pune, India
| | - Binaya Kumar Pattnaik
- Institute of Environment Education and Research, Bharati Vidyapeeth (Deemed to Be University), Pune, 411043, India.
| | - Sandipan Das
- Symbiosis International (Deemed University), Symbiosis Institute of Geoinformatics, Pune, India
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Hadadi A, Imessaoudene A, Bollinger JC, Bouzaza A, Amrane A, Tahraoui H, Mouni L. Aleppo pine seeds (Pinus halepensis Mill.) as a promising novel green coagulant for the removal of Congo red dye: Optimization via machine learning algorithm. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117286. [PMID: 36640645 DOI: 10.1016/j.jenvman.2023.117286] [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: 11/29/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
Consideration is now being given to the use of metal coagulants to remove turbidity from drinking water and wastewater. Concerns about the long-term impact of non-biodegradable sludge on human health and the potential contamination of aquatic systems are gaining popularity. Recently, alternative biocoagulants have been suggested to address these concerns. In this study, using a 1 M sodium chloride (NaCl) solution, the active coagulating agent was extracted from Pinus halepensis Mill. Seed, and used for the first time to remove Congo red dye, the influence of numerous factors on dye removal was evaluated in order to make comparisons with conventional coagulants. The application of biocoagulant was shown to be very successful, with coagulant dosages ranging from 3 to 12 mL L-1 achieving up to 80% dye removal and yielding 28 mL L-1 of sludge. It was also found that biocoagulant is extremely pH sensitive with an optimum operating pH of 3. Ferric chloride, on the other hand, achieved similar removal rate with higher sludge production (46 mL L-1) under the same conditions. A Fourier Transform Infrared Spectroscopy and proximate composition analysis were undertaken to determine qualitatively the potential active coagulant ingredient in the seeds and suggested the involvement of proteins in the coagulation-flocculation mechanism. The evaluation criteria of the Support vector machine_Gray wolf optimizer model in terms of statistical coefficients and errors reveals quite interesting results and demonstrates the performance of the model, with statistical coefficients close to 1 (R = 0.9998, R2 = 0.9995 and R2 adj = 0.9995) and minimal statistical errors (RMSE = 0.5813, MSE = 0.3379, EPM = 0 0.9808, ESP = 0.9677 and MAE = 0.2382). The study findings demonstrate that Pinus halepensis Mill. Seed extract might be a novel, environmentally friendly, and easily available coagulant for water and wastewater treatment.
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Affiliation(s)
- Amina Hadadi
- Laboratoire de Gestion et Valorisation des Ressources Naturelles et Assurance Qualité. Faculté SNVST, Université de Bouira, 10000 Bouira, Algeria.
| | - Ali Imessaoudene
- Laboratoire de Gestion et Valorisation des Ressources Naturelles et Assurance Qualité. Faculté SNVST, Université de Bouira, 10000 Bouira, Algeria.
| | - Jean-Claude Bollinger
- Laboratoire E2Lim, Université de Limoges, 123 Avenue Albert Thomas, 87060 Limoges, France.
| | | | - Abdeltif Amrane
- Univ.Rennes, ENSCR, 11 Allée de Beaulieu, 35708 Rennes, France.
| | - Hichem Tahraoui
- Pharmaceutical Engineering Department, Process Engineering Faculty, Salah Boubnider Constantine 3 University, Constantine, Algeria.
| | - Lotfi Mouni
- Laboratoire de Gestion et Valorisation des Ressources Naturelles et Assurance Qualité. Faculté SNVST, Université de Bouira, 10000 Bouira, Algeria.
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Syamimi Zaidi N, Syafiuddin A, Sillanpää M, Burhanuddin Bahrodin M, Zhang Zhan L, Ratnasari A, Kadier A, Aamer Mehmood M, Boopathy R. Insights into the potential application of magnetic field in controlling sludge bulking and foaming: A review. BIORESOURCE TECHNOLOGY 2022; 358:127416. [PMID: 35660656 DOI: 10.1016/j.biortech.2022.127416] [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: 05/10/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
The formation of bulking and foaming in biological wastewater treatment could cause a series of operational issues with biomass and effluent quality, ultimately affect the treatment performance of the system. The essential parameters influencing the growth of bulking and foaming bacteria are comprehensively summarised in this paper. Existing bulking and foaming control approached are critically reviewed and addressed, as well as their drawbacks and limitations. Despite the abundance of information and implementation, a complete control technique for limiting filamentous sludge bulking and foaming remains insufficient. Magnetic field application is emphasised as a viable control strategy in this regard. The present review study provides new insight of this application by comparing the use of magnetic fields to conventional treatments. Future outlooks on the use of magnetic fields to prevent BFB proliferation were also highlighted.
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Affiliation(s)
- Nur Syamimi Zaidi
- School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia; Centre for Environmental Sustainability and Water Security (IPASA), Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
| | - Achmad Syafiuddin
- Environmental Health Division, Department of Public Health, Universitas Nahdlatul Ulama Surabaya, 60237 Surabaya, East Java, Indonesia
| | - Mika Sillanpää
- Department of Civil and Environmental Engineering, Florida International University, Miami, USA
| | - Muhammad Burhanuddin Bahrodin
- School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia
| | - Loh Zhang Zhan
- School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia
| | - Anisa Ratnasari
- School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia
| | - Abudukeremu Kadier
- Laboratory of Environmental Science and Technology, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Muhammad Aamer Mehmood
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Raj Boopathy
- Department of Biological Sciences, Nicholls State University, Thibodaux, LA 70310, USA.
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Ahmad A, Kurniawan SB, Abdullah SRS, Othman AR, Hasan HA. Exploring the extraction methods for plant-based coagulants and their future approaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151668. [PMID: 34793802 DOI: 10.1016/j.scitotenv.2021.151668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 05/28/2023]
Abstract
The application of plant-based coagulants in wastewater treatment has increasingly progressed in the coagulation-flocculation process toward green economy and cleaner production. Plant-based coagulants have a potential as essential substitutes for commercially used chemical coagulants because of their natural characteristics and biodegradability. Chemical coagulants leave residues in treated water and generated sludge, which cause harm to human health and the ecosystem. Thus, the exploration of plant-based coagulants in wastewater treatment could reduce and eliminate the potential damage of chemical coagulants and promote the alternative approach for sustainable environment. The general processing steps of the end-to-end plant-based coagulant production, which includes primary, secondary, and tertiary stages, are discussed. However, this review focuses more on the extraction process using different solutions and compares the performance of different coagulants in removal activities after effluent treatment. Discussion on the arising challenges is elaborated, and approaches for plant-based coagulant research in the near future are suggested.
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Affiliation(s)
- Azmi Ahmad
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia; Department of Polytechnic Education and Community College, Ministry of Higher Education, 62100 Putrajaya, Malaysia.
| | - Setyo Budi Kurniawan
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Siti Rozaimah Sheikh Abdullah
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Ahmad Razi Othman
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Hassimi Abu Hasan
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
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Nouj N, Hafid N, El Alem N, Buciscanu II, Maier SS, Samoila P, Soreanu G, Cretescu I, Stan CD. Valorization of β-Chitin Extraction Byproduct from Cuttlefish Bone and Its Application in Food Wastewater Treatment. MATERIALS 2022; 15:ma15082803. [PMID: 35454495 PMCID: PMC9025758 DOI: 10.3390/ma15082803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/31/2022] [Accepted: 04/07/2022] [Indexed: 12/02/2022]
Abstract
The nontoxicity, worldwide availability and low production cost of cuttlefish bone products qualify them an excellent biocoagulant to treat food industry wastewater. In this study, cuttlefish bone liquid waste from the deproteinization step was used as a biocoagulant to treat food industry wastewater. This work concerns a waste that has never before been investigated. The objectives of this work were: the recovery of waste resulting from cuttlefish bone deproteinization, the replacementof chemical coagulants with natural ones to preserve the environment, and the enhancement ofthe value of fishery byproducts. A quantitative characterization of the industrial effluents of a Moroccan food processing plant was performed. The physicochemical properties of the raw cuttlefish bone powder and the deproteinization liquid extract were determined using specific analysis techniques: SEM/EDX, FTIR, XRD and 1H-NMR. The protein content of the deproteinization liquid was determined by OPA fluorescent assay. The zeta potential of the liquid extract was also determined. The obtained analytical results showed that the deproteinization liquid waste contained an adequate amount of soluble chitin fractions that could be used in food wastewater treatment. The effects of the coagulant dose and pH on the food industrial effluents were studied to confirm the effectiveness of the deproteinization liquid extract. Under optimal conditions, the coagulant showed satisfactory results. Process optimization was performed using the Box–Behnken design and response surface methodology. Thus, the optimal removal efficiencies predicted using this model for turbidity (99.68%), BOD5 (97.76%), and COD (82.92%) were obtained at a dosage of 8 mL biocoagulant in 0.5 L of food processing wastewater at an alkaline pH of 11.
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Affiliation(s)
- Nisrine Nouj
- Material and Environmental Laboratory, Department of Chemistry, Faculty of Sciences, IBN ZOHR University, Agadir 80000, Morocco; (N.H.); (N.E.A.)
- Correspondence: (N.N.); (I.C.)
| | - Naima Hafid
- Material and Environmental Laboratory, Department of Chemistry, Faculty of Sciences, IBN ZOHR University, Agadir 80000, Morocco; (N.H.); (N.E.A.)
| | - Noureddine El Alem
- Material and Environmental Laboratory, Department of Chemistry, Faculty of Sciences, IBN ZOHR University, Agadir 80000, Morocco; (N.H.); (N.E.A.)
| | - Ingrid Ioana Buciscanu
- Department of Chemical Engineering in Textiles and Leather, Faculty of Industrial Design and Business Management, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania; (I.I.B.); (S.S.M.)
| | - Stelian Sergiu Maier
- Department of Chemical Engineering in Textiles and Leather, Faculty of Industrial Design and Business Management, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania; (I.I.B.); (S.S.M.)
| | - Petrisor Samoila
- Laboratory of Inorganic Polymers, “Petru Poni” Institute of Macromolecular Chemistry, 41A Aleea Grigore Ghica Vodӑ, 700487 Iasi, Romania;
| | - Gabriela Soreanu
- Department of Environmental Engineering and Management, Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania;
| | - Igor Cretescu
- Department of Environmental Engineering and Management, Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania;
- Correspondence: (N.N.); (I.C.)
| | - Catalina Daniela Stan
- Department of Drug Industry and Pharmaceutical Biotechnology, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University St., 700115 Iasi, Romania;
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