Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor
This study aims to investigate, the effect of organic loading rates (OLRs), nutrient ratio addition, and sludge retention time (SRT) on treating dairy wastewater in a sequencing batch reactor (SBR) system. This investigation is verified by experiments conducted in 3 phases at 3 different OLRs (1.8,...
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| Format: | Article |
| Language: | English |
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Taiwan Association of Engineering and Technology Innovation
2023-04-01
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| Series: | International Journal of Engineering and Technology Innovation |
| Subjects: | |
| Online Access: | https://ojs.imeti.org/index.php/IJETI/article/view/10763 |
| _version_ | 1797808639426166784 |
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| author | Khac-Uan Do Thuy-Ngan Thi Bui Hung-Thuan Tran Xuan-Quang Chu |
| author_facet | Khac-Uan Do Thuy-Ngan Thi Bui Hung-Thuan Tran Xuan-Quang Chu |
| author_sort | Khac-Uan Do |
| collection | DOAJ |
| description |
This study aims to investigate, the effect of organic loading rates (OLRs), nutrient ratio addition, and sludge retention time (SRT) on treating dairy wastewater in a sequencing batch reactor (SBR) system. This investigation is verified by experiments conducted in 3 phases at 3 different OLRs (1.8, 1.2, and 0.9 kg/m3d, respectively). Urea ((NH2)2CO) is added to make a suitable (COD:N:P) ratio of (100:5:1) in dairy wastewater. The SRT is adjusted from 50 days to an appropriate value of 18 days. The obtained results show that the COD, TN, and TP removal efficiencies are increased with decreasing OLRs. Sludge concentration in the SBR tank is stable at 1100 mg/L after adding (NH2)2CO. In addition, the SBR operated at a suitable SRT (i.e. 18 days) helps the biomass stably, resulting in enhancement of COD, TN, and TP removal. The results are helpful to the design of SBR for treating dairy wastewater.
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| first_indexed | 2024-03-13T06:40:38Z |
| format | Article |
| id | doaj.art-de033dc6d62d4d0187782e2d3f6c36c8 |
| institution | Directory Open Access Journal |
| issn | 2223-5329 2226-809X |
| language | English |
| last_indexed | 2024-03-13T06:40:38Z |
| publishDate | 2023-04-01 |
| publisher | Taiwan Association of Engineering and Technology Innovation |
| record_format | Article |
| series | International Journal of Engineering and Technology Innovation |
| spelling | doaj.art-de033dc6d62d4d0187782e2d3f6c36c82023-06-08T18:07:01ZengTaiwan Association of Engineering and Technology InnovationInternational Journal of Engineering and Technology Innovation2223-53292226-809X2023-04-0113210.46604/ijeti.2023.10763Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch ReactorKhac-Uan Do0Thuy-Ngan Thi Bui1Hung-Thuan Tran2Xuan-Quang Chu3School of Environmental Science and Technology, Hanoi University of Science and Technology, Hanoi, VietnamCenter for Advanced Materials Technology, National Center for Technological Progress, Hanoi, VietnamCenter for Advanced Materials Technology, National Center for Technological Progress, Hanoi, VietnamCenter for Advanced Materials Technology, National Center for Technological Progress, Hanoi, Vietnam This study aims to investigate, the effect of organic loading rates (OLRs), nutrient ratio addition, and sludge retention time (SRT) on treating dairy wastewater in a sequencing batch reactor (SBR) system. This investigation is verified by experiments conducted in 3 phases at 3 different OLRs (1.8, 1.2, and 0.9 kg/m3d, respectively). Urea ((NH2)2CO) is added to make a suitable (COD:N:P) ratio of (100:5:1) in dairy wastewater. The SRT is adjusted from 50 days to an appropriate value of 18 days. The obtained results show that the COD, TN, and TP removal efficiencies are increased with decreasing OLRs. Sludge concentration in the SBR tank is stable at 1100 mg/L after adding (NH2)2CO. In addition, the SBR operated at a suitable SRT (i.e. 18 days) helps the biomass stably, resulting in enhancement of COD, TN, and TP removal. The results are helpful to the design of SBR for treating dairy wastewater. https://ojs.imeti.org/index.php/IJETI/article/view/10763dairy wastewater treatmentsequencing batch reactororganic loading ratessludge |
| spellingShingle | Khac-Uan Do Thuy-Ngan Thi Bui Hung-Thuan Tran Xuan-Quang Chu Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor International Journal of Engineering and Technology Innovation dairy wastewater treatment sequencing batch reactor organic loading rates sludge |
| title | Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor |
| title_full | Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor |
| title_fullStr | Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor |
| title_full_unstemmed | Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor |
| title_short | Effect of Organic Loading Rates on Performance of Treating Dairy Wastewater in a Lab-Scale Sequencing Batch Reactor |
| title_sort | effect of organic loading rates on performance of treating dairy wastewater in a lab scale sequencing batch reactor |
| topic | dairy wastewater treatment sequencing batch reactor organic loading rates sludge |
| url | https://ojs.imeti.org/index.php/IJETI/article/view/10763 |
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