The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR)
In this study, four aerobic sequencing batch reactors (SBRs) were operated under the same conditions for the treatment of milk wastewater at different organic loading rates (OLRs). Cylindrical Plexiglas reactors were run for 56 days (including 21 days of acclimatization and 35 days of data gathering...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Water and Wastewater Consulting Engineers Research Development
2009-09-01
|
| Series: | آب و فاضلاب |
| Subjects: | |
| Online Access: | http://www.wwjournal.ir/article_1671_fffe9f3aa9dc929b35765b5cf63d8b30.pdf |
| _version_ | 1818353007020998656 |
|---|---|
| author | Hooman Hajiabadi Seyed Mohammadreza Alavi Moghadam Seyed Hossein Hashemi |
| author_facet | Hooman Hajiabadi Seyed Mohammadreza Alavi Moghadam Seyed Hossein Hashemi |
| author_sort | Hooman Hajiabadi |
| collection | DOAJ |
| description | In this study, four aerobic sequencing batch reactors (SBRs) were operated under the same conditions for the treatment of milk wastewater at different organic loading rates (OLRs). Cylindrical Plexiglas reactors were run for 56 days (including 21 days of acclimatization and 35 days of data gathering). Effective volume, influent wastewater flowrate, and sludge retention time (SRT) of reactors were 5.5 L, 3.5 L/d, and 10 d, respectively. The average COD removal efficiency for the reactors R1, R2, R3, and R4 with influent OLRave values of 633, 929, 1915, and 3261 gCOD/m3d were 95, 96, 95, and 82 percent, respectively. The average effluent suspended solid (SS) for all reactors was lower than 44 mg/L. Also, except for R4 with an average effluent turbidity of 270 NTU, other reactors met the Iranian wastewater emission standard (50 NTU). In addition, the average sludge volume index of reactors R1 to R3 was found to be lower than 67 mL/g. According to the results, the overall variation of COD removal efficiency versus influent OLR shows a decreasing rate with a correlation factor of 0.8 (R2). |
| first_indexed | 2024-12-13T19:02:40Z |
| format | Article |
| id | doaj.art-0426b85d05e84863b6aafb94f5ccdfc9 |
| institution | Directory Open Access Journal |
| issn | 1024-5936 2383-0905 |
| language | English |
| last_indexed | 2024-12-13T19:02:40Z |
| publishDate | 2009-09-01 |
| publisher | Water and Wastewater Consulting Engineers Research Development |
| record_format | Article |
| series | آب و فاضلاب |
| spelling | doaj.art-0426b85d05e84863b6aafb94f5ccdfc92022-12-21T23:34:38ZengWater and Wastewater Consulting Engineers Research Developmentآب و فاضلاب1024-59362383-09052009-09-0120350561671The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR)Hooman Hajiabadi0Seyed Mohammadreza Alavi Moghadam1Seyed Hossein Hashemi2M.Sc., Dept. of Civil and Environmental Engineering, Amirkabir University of Technology, TehranAssist. Prof., Dept. of Civil and Environmental Engineering, Amirkabir University of Technology, TehranAssist. Prof., Environmental Science Research Institute, Shahid Beheshti University, TehranIn this study, four aerobic sequencing batch reactors (SBRs) were operated under the same conditions for the treatment of milk wastewater at different organic loading rates (OLRs). Cylindrical Plexiglas reactors were run for 56 days (including 21 days of acclimatization and 35 days of data gathering). Effective volume, influent wastewater flowrate, and sludge retention time (SRT) of reactors were 5.5 L, 3.5 L/d, and 10 d, respectively. The average COD removal efficiency for the reactors R1, R2, R3, and R4 with influent OLRave values of 633, 929, 1915, and 3261 gCOD/m3d were 95, 96, 95, and 82 percent, respectively. The average effluent suspended solid (SS) for all reactors was lower than 44 mg/L. Also, except for R4 with an average effluent turbidity of 270 NTU, other reactors met the Iranian wastewater emission standard (50 NTU). In addition, the average sludge volume index of reactors R1 to R3 was found to be lower than 67 mL/g. According to the results, the overall variation of COD removal efficiency versus influent OLR shows a decreasing rate with a correlation factor of 0.8 (R2).http://www.wwjournal.ir/article_1671_fffe9f3aa9dc929b35765b5cf63d8b30.pdfSequencing Batch ReactorMilk WastewaterHigh Organic LoadBiological Treatment |
| spellingShingle | Hooman Hajiabadi Seyed Mohammadreza Alavi Moghadam Seyed Hossein Hashemi The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) آب و فاضلاب Sequencing Batch Reactor Milk Wastewater High Organic Load Biological Treatment |
| title | The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) |
| title_full | The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) |
| title_fullStr | The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) |
| title_full_unstemmed | The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) |
| title_short | The Effect of Organic Loading Rate on Milk WastewaterTreatment Using Sequencing Batch Reactor (SBR) |
| title_sort | effect of organic loading rate on milk wastewatertreatment using sequencing batch reactor sbr |
| topic | Sequencing Batch Reactor Milk Wastewater High Organic Load Biological Treatment |
| url | http://www.wwjournal.ir/article_1671_fffe9f3aa9dc929b35765b5cf63d8b30.pdf |
| work_keys_str_mv | AT hoomanhajiabadi theeffectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr AT seyedmohammadrezaalavimoghadam theeffectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr AT seyedhosseinhashemi theeffectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr AT hoomanhajiabadi effectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr AT seyedmohammadrezaalavimoghadam effectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr AT seyedhosseinhashemi effectoforganicloadingrateonmilkwastewatertreatmentusingsequencingbatchreactorsbr |