Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment
There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rachida El Morabet [verfasserIn] Roohul Abad Khan [verfasserIn] Javed Mallick [verfasserIn] Nadeem A. Khan [verfasserIn] Sirajuddin Ahmed [verfasserIn] Aastha Dhingra [verfasserIn] Amadur Rahman Khan [verfasserIn] Majed Alsubih [verfasserIn] Saeed Alqadhi [verfasserIn] Ahmed Bindajam [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Alexandria Engineering Journal - Elsevier, 2016, 59(2020), 6, Seite 4633-4641 |
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| Übergeordnetes Werk: |
volume:59 ; year:2020 ; number:6 ; pages:4633-4641 |
| Links: |
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| DOI / URN: |
10.1016/j.aej.2020.08.021 |
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| Katalog-ID: |
DOAJ001751824 |
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| 520 | |a There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. | ||
| 650 | 4 | |a Hospital wastewater | |
| 650 | 4 | |a Treatment efficiency | |
| 650 | 4 | |a SMBR | |
| 650 | 4 | |a Extended Aeration | |
| 650 | 4 | |a Tubesettler | |
| 653 | 0 | |a Engineering (General). Civil engineering (General) | |
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10.1016/j.aej.2020.08.021 doi (DE-627)DOAJ001751824 (DE-599)DOAJ334af1306b614f3fa75f8310e9cf7fab DE-627 ger DE-627 rakwb eng TA1-2040 Rachida El Morabet verfasserin aut Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. Hospital wastewater Treatment efficiency SMBR Extended Aeration Tubesettler Engineering (General). Civil engineering (General) Roohul Abad Khan verfasserin aut Javed Mallick verfasserin aut Nadeem A. Khan verfasserin aut Sirajuddin Ahmed verfasserin aut Aastha Dhingra verfasserin aut Amadur Rahman Khan verfasserin aut Majed Alsubih verfasserin aut Saeed Alqadhi verfasserin aut Ahmed Bindajam verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 6, Seite 4633-4641 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:6 pages:4633-4641 https://doi.org/10.1016/j.aej.2020.08.021 kostenfrei https://doaj.org/article/334af1306b614f3fa75f8310e9cf7fab kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820304099 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 6 4633-4641 |
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10.1016/j.aej.2020.08.021 doi (DE-627)DOAJ001751824 (DE-599)DOAJ334af1306b614f3fa75f8310e9cf7fab DE-627 ger DE-627 rakwb eng TA1-2040 Rachida El Morabet verfasserin aut Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. Hospital wastewater Treatment efficiency SMBR Extended Aeration Tubesettler Engineering (General). Civil engineering (General) Roohul Abad Khan verfasserin aut Javed Mallick verfasserin aut Nadeem A. Khan verfasserin aut Sirajuddin Ahmed verfasserin aut Aastha Dhingra verfasserin aut Amadur Rahman Khan verfasserin aut Majed Alsubih verfasserin aut Saeed Alqadhi verfasserin aut Ahmed Bindajam verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 6, Seite 4633-4641 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:6 pages:4633-4641 https://doi.org/10.1016/j.aej.2020.08.021 kostenfrei https://doaj.org/article/334af1306b614f3fa75f8310e9cf7fab kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820304099 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 6 4633-4641 |
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10.1016/j.aej.2020.08.021 doi (DE-627)DOAJ001751824 (DE-599)DOAJ334af1306b614f3fa75f8310e9cf7fab DE-627 ger DE-627 rakwb eng TA1-2040 Rachida El Morabet verfasserin aut Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. Hospital wastewater Treatment efficiency SMBR Extended Aeration Tubesettler Engineering (General). Civil engineering (General) Roohul Abad Khan verfasserin aut Javed Mallick verfasserin aut Nadeem A. Khan verfasserin aut Sirajuddin Ahmed verfasserin aut Aastha Dhingra verfasserin aut Amadur Rahman Khan verfasserin aut Majed Alsubih verfasserin aut Saeed Alqadhi verfasserin aut Ahmed Bindajam verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 6, Seite 4633-4641 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:6 pages:4633-4641 https://doi.org/10.1016/j.aej.2020.08.021 kostenfrei https://doaj.org/article/334af1306b614f3fa75f8310e9cf7fab kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820304099 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 6 4633-4641 |
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10.1016/j.aej.2020.08.021 doi (DE-627)DOAJ001751824 (DE-599)DOAJ334af1306b614f3fa75f8310e9cf7fab DE-627 ger DE-627 rakwb eng TA1-2040 Rachida El Morabet verfasserin aut Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. Hospital wastewater Treatment efficiency SMBR Extended Aeration Tubesettler Engineering (General). Civil engineering (General) Roohul Abad Khan verfasserin aut Javed Mallick verfasserin aut Nadeem A. Khan verfasserin aut Sirajuddin Ahmed verfasserin aut Aastha Dhingra verfasserin aut Amadur Rahman Khan verfasserin aut Majed Alsubih verfasserin aut Saeed Alqadhi verfasserin aut Ahmed Bindajam verfasserin aut In Alexandria Engineering Journal Elsevier, 2016 59(2020), 6, Seite 4633-4641 (DE-627)669887609 (DE-600)2631413-7 20902670 nnns volume:59 year:2020 number:6 pages:4633-4641 https://doi.org/10.1016/j.aej.2020.08.021 kostenfrei https://doaj.org/article/334af1306b614f3fa75f8310e9cf7fab kostenfrei http://www.sciencedirect.com/science/article/pii/S1110016820304099 kostenfrei https://doaj.org/toc/1110-0168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 59 2020 6 4633-4641 |
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TA1-2040 Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment Hospital wastewater Treatment efficiency SMBR Extended Aeration Tubesettler |
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Rachida El Morabet Roohul Abad Khan Javed Mallick Nadeem A. Khan Sirajuddin Ahmed Aastha Dhingra Amadur Rahman Khan Majed Alsubih Saeed Alqadhi Ahmed Bindajam |
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comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment |
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Comparative study of submerged membrane bioreactor and extended aeration process coupled with tubesettler for hospital wastewater treatment |
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There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. |
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There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. |
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There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hence this study evaluated treatment performance of hospital wastewater using Submerged Membrane bioreactor (SMBR) and Extended aeration process. The investigation parameters for both treatment process was kept same for comparison of treatment efficiency of both processes. Additionally, Tubesettler was employed to enhance treatment efficiency. The treatment efficiency of both processes was low. However, encoupled with Tubesettler satisfactory results were obtained. The BOD5/COD ratio for SMBR effluent varied between 0.22 and 0.92 while for extended aeration process ratio ranged between 0.29 and 0.92. The increase in nitrate concentration in SMBR and EA indicated nitrification. But since the system was well aerated and no anoxic or anaerobic condition prevailed denitrification was not observed. The results of this study suggested that using hospital wastewater as seeding and as influent provided lesser efficiency as compared to synthetic wastewater as influent. Also 85% COD reduction and 91% BOD5 removal in EA indicated better performance as compared to SMBR with 72% COD reduction and 78% BOD5 removal. However, for nitrification SMBR (295%) performed better than EA (140%) Future studies are required to establish conventional parameters with pharmaceutical removal, variation of control parameters on treatment efficiency and effect on microbial activities. |
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