Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR)
Today, massive amounts of different effluents produced by various industries have led to severe environmental pollution, and their treatment is essential. So far, little research has been performed on the removal of biochemical oxygen demand (BOD) and chemical oxygen demand (COD) from petrochemical...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-04-01
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| Series: | Desalination and Water Treatment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398625001936 |
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| author | Nabieh Farhami Maryam Derakhshandeh Hamid Kazemi Hakki |
| author_facet | Nabieh Farhami Maryam Derakhshandeh Hamid Kazemi Hakki |
| author_sort | Nabieh Farhami |
| collection | DOAJ |
| description | Today, massive amounts of different effluents produced by various industries have led to severe environmental pollution, and their treatment is essential. So far, little research has been performed on the removal of biochemical oxygen demand (BOD) and chemical oxygen demand (COD) from petrochemical wastewater using a moving bed biofilm reactor (MBBR) and this is the novelty aspect of this research. In this study, the real petrochemical wastewater was treated by a biological process in an MBBR. The influence of operational variables including bioremediation time, the role of suspended microorganisms, stripping by aeration, surface adsorption, the percentage of reactant filling, initial COD, and the effect of shock and salinity on the COD removal performance were investigated. The optimal conditions occurred during 72 hr of treatment, the initial COD of 2500 mg/l and the reactant filling of 50 %. In this condition, about 78.5 % of COD, 65 % of the BOD, and 50 % of total organic carbon (TOC) were reduced. In the selected optimal conditions, the biodegradability factor of the effluent( BOD5COD ratio) before and after biological treatment was 0.4 and 0.7, respectively, which indicates the effective biodegradability of the intermediates resulting from the treatment process. According to the experimental outcomes, it was confirmed that the MBBR system is a highly suitable option for the treatment of industrial wastewater. |
| format | Article |
| id | doaj-art-e956f984e7244defaded44d7657afd2b |
| institution | OA Journals |
| issn | 1944-3986 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Desalination and Water Treatment |
| spelling | doaj-art-e956f984e7244defaded44d7657afd2b2025-08-20T02:32:23ZengElsevierDesalination and Water Treatment1944-39862025-04-0132210117710.1016/j.dwt.2025.101177Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR)Nabieh Farhami0Maryam Derakhshandeh1Hamid Kazemi Hakki2Department of Chemistry, Mahs. C., Islamic Azad University , Mahshahr, Iran; Corresponding authors.Department of Chemistry, Mahs. C., Islamic Azad University , Mahshahr, Iran; Corresponding authors.Department of Chemical engineering, Faculty of Engineering, Soran University, Soran, Kurdistan region, IraqToday, massive amounts of different effluents produced by various industries have led to severe environmental pollution, and their treatment is essential. So far, little research has been performed on the removal of biochemical oxygen demand (BOD) and chemical oxygen demand (COD) from petrochemical wastewater using a moving bed biofilm reactor (MBBR) and this is the novelty aspect of this research. In this study, the real petrochemical wastewater was treated by a biological process in an MBBR. The influence of operational variables including bioremediation time, the role of suspended microorganisms, stripping by aeration, surface adsorption, the percentage of reactant filling, initial COD, and the effect of shock and salinity on the COD removal performance were investigated. The optimal conditions occurred during 72 hr of treatment, the initial COD of 2500 mg/l and the reactant filling of 50 %. In this condition, about 78.5 % of COD, 65 % of the BOD, and 50 % of total organic carbon (TOC) were reduced. In the selected optimal conditions, the biodegradability factor of the effluent( BOD5COD ratio) before and after biological treatment was 0.4 and 0.7, respectively, which indicates the effective biodegradability of the intermediates resulting from the treatment process. According to the experimental outcomes, it was confirmed that the MBBR system is a highly suitable option for the treatment of industrial wastewater.http://www.sciencedirect.com/science/article/pii/S1944398625001936Biodegradability factorCOD and BOD removalMoving bed biofilm reactor (MBBR)Biological wastewater treatment |
| spellingShingle | Nabieh Farhami Maryam Derakhshandeh Hamid Kazemi Hakki Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) Desalination and Water Treatment Biodegradability factor COD and BOD removal Moving bed biofilm reactor (MBBR) Biological wastewater treatment |
| title | Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) |
| title_full | Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) |
| title_fullStr | Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) |
| title_full_unstemmed | Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) |
| title_short | Exploring COD and BOD removal from industrial wastewater using a moving bed biofilm reactor (MBBR) |
| title_sort | exploring cod and bod removal from industrial wastewater using a moving bed biofilm reactor mbbr |
| topic | Biodegradability factor COD and BOD removal Moving bed biofilm reactor (MBBR) Biological wastewater treatment |
| url | http://www.sciencedirect.com/science/article/pii/S1944398625001936 |
| work_keys_str_mv | AT nabiehfarhami exploringcodandbodremovalfromindustrialwastewaterusingamovingbedbiofilmreactormbbr AT maryamderakhshandeh exploringcodandbodremovalfromindustrialwastewaterusingamovingbedbiofilmreactormbbr AT hamidkazemihakki exploringcodandbodremovalfromindustrialwastewaterusingamovingbedbiofilmreactormbbr |