Combined biological processing and microfiltration in the treatment of unhairing wastewater
Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological...
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| Autor*in: |
Mlaik, Najwa [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag 2011 |
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| Übergeordnetes Werk: |
Enthalten in: Environmental science and pollution research - Springer-Verlag, 1994, 19(2011), 1 vom: 02. Juli, Seite 226-234 |
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| Übergeordnetes Werk: |
volume:19 ; year:2011 ; number:1 ; day:02 ; month:07 ; pages:226-234 |
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| DOI / URN: |
10.1007/s11356-011-0543-z |
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OLC2040409858 |
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| 520 | |a Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. | ||
| 650 | 4 | |a Biological wastewater treatment | |
| 650 | 4 | |a Microfiltration | |
| 650 | 4 | |a Phytotoxicity assay | |
| 650 | 4 | |a Tannery wastewater | |
| 700 | 1 | |a Bouzid, Jalel |4 aut | |
| 700 | 1 | |a Belbahri, Lassad |4 aut | |
| 700 | 1 | |a Woodward, Steve |4 aut | |
| 700 | 1 | |a Mechichi, Tahar |4 aut | |
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10.1007/s11356-011-0543-z doi (DE-627)OLC2040409858 (DE-He213)s11356-011-0543-z-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Mlaik, Najwa verfasserin aut Combined biological processing and microfiltration in the treatment of unhairing wastewater 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2011 Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. Biological wastewater treatment Microfiltration Phytotoxicity assay Tannery wastewater Bouzid, Jalel aut Belbahri, Lassad aut Woodward, Steve aut Mechichi, Tahar aut Enthalten in Environmental science and pollution research Springer-Verlag, 1994 19(2011), 1 vom: 02. Juli, Seite 226-234 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:19 year:2011 number:1 day:02 month:07 pages:226-234 https://doi.org/10.1007/s11356-011-0543-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_23 GBV_ILN_24 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4302 AR 19 2011 1 02 07 226-234 |
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10.1007/s11356-011-0543-z doi (DE-627)OLC2040409858 (DE-He213)s11356-011-0543-z-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Mlaik, Najwa verfasserin aut Combined biological processing and microfiltration in the treatment of unhairing wastewater 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2011 Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. Biological wastewater treatment Microfiltration Phytotoxicity assay Tannery wastewater Bouzid, Jalel aut Belbahri, Lassad aut Woodward, Steve aut Mechichi, Tahar aut Enthalten in Environmental science and pollution research Springer-Verlag, 1994 19(2011), 1 vom: 02. Juli, Seite 226-234 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:19 year:2011 number:1 day:02 month:07 pages:226-234 https://doi.org/10.1007/s11356-011-0543-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_23 GBV_ILN_24 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4302 AR 19 2011 1 02 07 226-234 |
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10.1007/s11356-011-0543-z doi (DE-627)OLC2040409858 (DE-He213)s11356-011-0543-z-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Mlaik, Najwa verfasserin aut Combined biological processing and microfiltration in the treatment of unhairing wastewater 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2011 Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. Biological wastewater treatment Microfiltration Phytotoxicity assay Tannery wastewater Bouzid, Jalel aut Belbahri, Lassad aut Woodward, Steve aut Mechichi, Tahar aut Enthalten in Environmental science and pollution research Springer-Verlag, 1994 19(2011), 1 vom: 02. Juli, Seite 226-234 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:19 year:2011 number:1 day:02 month:07 pages:226-234 https://doi.org/10.1007/s11356-011-0543-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_23 GBV_ILN_24 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4302 AR 19 2011 1 02 07 226-234 |
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10.1007/s11356-011-0543-z doi (DE-627)OLC2040409858 (DE-He213)s11356-011-0543-z-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Mlaik, Najwa verfasserin aut Combined biological processing and microfiltration in the treatment of unhairing wastewater 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2011 Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. Biological wastewater treatment Microfiltration Phytotoxicity assay Tannery wastewater Bouzid, Jalel aut Belbahri, Lassad aut Woodward, Steve aut Mechichi, Tahar aut Enthalten in Environmental science and pollution research Springer-Verlag, 1994 19(2011), 1 vom: 02. Juli, Seite 226-234 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:19 year:2011 number:1 day:02 month:07 pages:226-234 https://doi.org/10.1007/s11356-011-0543-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_23 GBV_ILN_24 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4302 AR 19 2011 1 02 07 226-234 |
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10.1007/s11356-011-0543-z doi (DE-627)OLC2040409858 (DE-He213)s11356-011-0543-z-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Mlaik, Najwa verfasserin aut Combined biological processing and microfiltration in the treatment of unhairing wastewater 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2011 Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. Biological wastewater treatment Microfiltration Phytotoxicity assay Tannery wastewater Bouzid, Jalel aut Belbahri, Lassad aut Woodward, Steve aut Mechichi, Tahar aut Enthalten in Environmental science and pollution research Springer-Verlag, 1994 19(2011), 1 vom: 02. Juli, Seite 226-234 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:19 year:2011 number:1 day:02 month:07 pages:226-234 https://doi.org/10.1007/s11356-011-0543-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_23 GBV_ILN_24 GBV_ILN_70 GBV_ILN_183 GBV_ILN_252 GBV_ILN_267 GBV_ILN_370 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2057 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4302 AR 19 2011 1 02 07 226-234 |
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The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. 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combined biological processing and microfiltration in the treatment of unhairing wastewater |
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Combined biological processing and microfiltration in the treatment of unhairing wastewater |
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Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. © Springer-Verlag 2011 |
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Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. © Springer-Verlag 2011 |
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Introduction The unhairing step, a part of the beamhouse process, is particularly polluting, generating an alkaline wastewater with high concentrations of organic and inorganic matter. The aim of this study was to evaluate the treatment of this industrial wastewater using a combination of biological and microfiltration processes. Materials and methods The performance of the activated sludge system (AS) was evaluated under varying organic loading rate (OLR) from 0.9 to 3.4 kg chemical oxygen demand (COD) $ m^{−3} $ $ day^{−1} $ and decreasing hydraulic retention time (HRT) from 3 to 1.6 days. Results For an HRT of 3 days, the increase of OLR significantly affected the removal of organic matter. Therefore, the biological organic matter removal of unhairing wastewater decreased from 92% to 66% for COD and from 87 to 53% for biological oxygen demand ($ BOD_{5} $). GC-MS analyses showed that biological treatment of unhairing wastewater contributed to the removal of long chain fatty acids and their degradation products. Microfiltration of unhairing wastewater was performed using 0.2 μm pore-size membranes in tangential filtration. The highest removal efficiencies were obtained for bacteria (100%) and turbidity (98.4%) which confirmed the importance of the microfiltration step in treatment of unhairing wastewater. The result showed that the flux decay rate was greatest at the start of the microfiltration assay (90 L $ h^{−1} $ $ m^{2} $), becoming 60.7 L $ h^{−1} $ $ m^{2} $ after 32 min. Conclusion This change indicated that fouling occurred rapidly once the membrane module was put into operation. © Springer-Verlag 2011 |
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