Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach
The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro so...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Singh, Rana Pratap [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
Midpoint/damage-oriented approach |
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| Übergeordnetes Werk: |
Enthalten in: Self-assembled 3D hierarchical MnCO - Rajendiran, Rajmohan ELSEVIER, 2020, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:250 ; year:2020 ; day:20 ; month:03 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jclepro.2019.119438 |
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ELV049161059 |
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| 520 | |a The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. | ||
| 520 | |a The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. | ||
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10.1016/j.jclepro.2019.119438 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000886.pica (DE-627)ELV049161059 (ELSEVIER)S0959-6526(19)34308-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Singh, Rana Pratap verfasserin aut Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. Life cycle assessment Elsevier IMPACT 2002+ Elsevier Midpoint/damage-oriented approach Elsevier Integrated fixed-film activated sludge reactor Elsevier SimaPro Elsevier Municipal wastewater Elsevier Singh, Nitin Kumar oth Kazmi, Absar Ahmad oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:250 year:2020 day:20 month:03 pages:0 https://doi.org/10.1016/j.jclepro.2019.119438 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 250 2020 20 0320 0 |
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10.1016/j.jclepro.2019.119438 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000886.pica (DE-627)ELV049161059 (ELSEVIER)S0959-6526(19)34308-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Singh, Rana Pratap verfasserin aut Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. Life cycle assessment Elsevier IMPACT 2002+ Elsevier Midpoint/damage-oriented approach Elsevier Integrated fixed-film activated sludge reactor Elsevier SimaPro Elsevier Municipal wastewater Elsevier Singh, Nitin Kumar oth Kazmi, Absar Ahmad oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:250 year:2020 day:20 month:03 pages:0 https://doi.org/10.1016/j.jclepro.2019.119438 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 250 2020 20 0320 0 |
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10.1016/j.jclepro.2019.119438 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000886.pica (DE-627)ELV049161059 (ELSEVIER)S0959-6526(19)34308-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Singh, Rana Pratap verfasserin aut Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. Life cycle assessment Elsevier IMPACT 2002+ Elsevier Midpoint/damage-oriented approach Elsevier Integrated fixed-film activated sludge reactor Elsevier SimaPro Elsevier Municipal wastewater Elsevier Singh, Nitin Kumar oth Kazmi, Absar Ahmad oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:250 year:2020 day:20 month:03 pages:0 https://doi.org/10.1016/j.jclepro.2019.119438 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 250 2020 20 0320 0 |
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10.1016/j.jclepro.2019.119438 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000886.pica (DE-627)ELV049161059 (ELSEVIER)S0959-6526(19)34308-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Singh, Rana Pratap verfasserin aut Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. Life cycle assessment Elsevier IMPACT 2002+ Elsevier Midpoint/damage-oriented approach Elsevier Integrated fixed-film activated sludge reactor Elsevier SimaPro Elsevier Municipal wastewater Elsevier Singh, Nitin Kumar oth Kazmi, Absar Ahmad oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:250 year:2020 day:20 month:03 pages:0 https://doi.org/10.1016/j.jclepro.2019.119438 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 250 2020 20 0320 0 |
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10.1016/j.jclepro.2019.119438 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000886.pica (DE-627)ELV049161059 (ELSEVIER)S0959-6526(19)34308-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Singh, Rana Pratap verfasserin aut Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. Life cycle assessment Elsevier IMPACT 2002+ Elsevier Midpoint/damage-oriented approach Elsevier Integrated fixed-film activated sludge reactor Elsevier SimaPro Elsevier Municipal wastewater Elsevier Singh, Nitin Kumar oth Kazmi, Absar Ahmad oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:250 year:2020 day:20 month:03 pages:0 https://doi.org/10.1016/j.jclepro.2019.119438 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 250 2020 20 0320 0 |
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Environmental sustainability assessment of a fixed media based and package type integrated fixed-film activated sludge reactor in India: A damage-oriented approach |
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The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. |
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The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. |
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The sustainability of new and emerging wastewater treatment technologies/systems is a matter of vital significance. In this regard, the life cycle assessment (LCA) of a package type integrated fixed-film activated sludge (IFAS) reactor, treating municipal wastewater, was carried out using SimaPro software (8.0.5 faculty version) and IMPACT 2002 + methodology. The analysis of environmental impacts, associated with the construction phase, and investigated operational scenarios (steady-state, dissolved oxygen variation, and intermittent aeration) of studied IFAS reactor, is presented in this study. The LCA analysis results revealed that the main negative impacts i.e. eutrophication and eco-toxicity of the IFAS reactor were associated with the usage of stainless steel in construction of reactor. It was observed that considering damage indicators, intermittent aeration phase III causes minimum impact (∼43% on human health, ∼2% on ecosystem quality, ∼44% on climate change, and ∼45% on resources), as compared to dissolved oxygen phase III. The study showed that among all the operational scenarios, IA phase III exert ∼2–45% less burden on the environment in most of the midpoint impact categories, except for aquatic eutrophication impact. DO phase III contributed minimum impact on aquatic eutrophication category, mainly due to best effluent characteristics. Overall, the investigations of the present study revealed that among various input resources, energy utilization is the most significant contributor to the environmental impacts associated with the investigated IFAS reactor, and presented the highest importance among four damage categories. |
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