Effects of SRT and HRT on treatment performance of MBR and membrane fouling
40L of hollow fiber membrane bioreactor with solids retention times (SRT) of 30, 15 and 4 days were setup for treating synthetic wastewater at hydraulic retention times (HRT) of 12, 8 and 4 hours. The objectives of the study were to investigate the effects of SRT and HRT on membrane fouling. A compa...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
World Academy of Science, Engineering and Technology
2014
|
| Online Access: | http://psasir.upm.edu.my/id/eprint/37396/ http://psasir.upm.edu.my/id/eprint/37396/1/Effects%20of%20SRT%20and%20HRT%20on%20treatment%20performance%20of%20MBR%20and%20membrane%20fouling.pdf |
| _version_ | 1848848597366341632 |
|---|---|
| author | Mohd Idris, Aida Isma Idris, Azni Omar, Rozita Abdul Razak, Putri Razreena |
| author_facet | Mohd Idris, Aida Isma Idris, Azni Omar, Rozita Abdul Razak, Putri Razreena |
| author_sort | Mohd Idris, Aida Isma |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | 40L of hollow fiber membrane bioreactor with solids retention times (SRT) of 30, 15 and 4 days were setup for treating synthetic wastewater at hydraulic retention times (HRT) of 12, 8 and 4 hours. The objectives of the study were to investigate the effects of SRT and HRT on membrane fouling. A comparative analysis was carried out for physiochemical quality parameters (turbidity, suspended solids, COD, NH3-N and PO43-). Scanning electron microscopy (SEM), energy diffusive X-ray (EDX) analyzer and particle size distribution (PSD) were used to characterize the membrane fouling properties. The influence of SRT on the quality of effluent, activated sludge quality, and membrane fouling were also correlated. Lower membrane fouling and slower rise in trans-membrane pressure (TMP) were noticed at the longest SRT and HRT of 30d and 12h, respectively. Increasing SRT results in noticeable reduction of dissolved organic matters. The best removal efficiencies of COD, TSS, NH3-N and PO43- were 93%, 98%, 80% and 30% respectively. The high HRT with shorter SRT induced faster fouling rate. The main fouling resistance was cake layer. The most severe membrane fouling was observed at SRT and HRT of 4 and 12, respectively with thickness cake layer of 17mm as reflected by higher TMP, lower effluent removal and thick sludge cake layer. |
| first_indexed | 2025-11-15T09:37:02Z |
| format | Article |
| id | upm-37396 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T09:37:02Z |
| publishDate | 2014 |
| publisher | World Academy of Science, Engineering and Technology |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-373962015-10-06T08:39:55Z http://psasir.upm.edu.my/id/eprint/37396/ Effects of SRT and HRT on treatment performance of MBR and membrane fouling Mohd Idris, Aida Isma Idris, Azni Omar, Rozita Abdul Razak, Putri Razreena 40L of hollow fiber membrane bioreactor with solids retention times (SRT) of 30, 15 and 4 days were setup for treating synthetic wastewater at hydraulic retention times (HRT) of 12, 8 and 4 hours. The objectives of the study were to investigate the effects of SRT and HRT on membrane fouling. A comparative analysis was carried out for physiochemical quality parameters (turbidity, suspended solids, COD, NH3-N and PO43-). Scanning electron microscopy (SEM), energy diffusive X-ray (EDX) analyzer and particle size distribution (PSD) were used to characterize the membrane fouling properties. The influence of SRT on the quality of effluent, activated sludge quality, and membrane fouling were also correlated. Lower membrane fouling and slower rise in trans-membrane pressure (TMP) were noticed at the longest SRT and HRT of 30d and 12h, respectively. Increasing SRT results in noticeable reduction of dissolved organic matters. The best removal efficiencies of COD, TSS, NH3-N and PO43- were 93%, 98%, 80% and 30% respectively. The high HRT with shorter SRT induced faster fouling rate. The main fouling resistance was cake layer. The most severe membrane fouling was observed at SRT and HRT of 4 and 12, respectively with thickness cake layer of 17mm as reflected by higher TMP, lower effluent removal and thick sludge cake layer. World Academy of Science, Engineering and Technology 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/37396/1/Effects%20of%20SRT%20and%20HRT%20on%20treatment%20performance%20of%20MBR%20and%20membrane%20fouling.pdf Mohd Idris, Aida Isma and Idris, Azni and Omar, Rozita and Abdul Razak, Putri Razreena (2014) Effects of SRT and HRT on treatment performance of MBR and membrane fouling. International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, 8 (6). pp. 468-472. ISSN 1307-6892 |
| spellingShingle | Mohd Idris, Aida Isma Idris, Azni Omar, Rozita Abdul Razak, Putri Razreena Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title | Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title_full | Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title_fullStr | Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title_full_unstemmed | Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title_short | Effects of SRT and HRT on treatment performance of MBR and membrane fouling |
| title_sort | effects of srt and hrt on treatment performance of mbr and membrane fouling |
| url | http://psasir.upm.edu.my/id/eprint/37396/ http://psasir.upm.edu.my/id/eprint/37396/1/Effects%20of%20SRT%20and%20HRT%20on%20treatment%20performance%20of%20MBR%20and%20membrane%20fouling.pdf |