Datum
2020-05-29Schlagwort
630 Landwirtschaft, Veterinärmedizin AktivkohleKläranlageBiomasseUmweltbilanzPflanzenkohleRessourcenmanagementNachhaltigkeitMetadata
Zur Langanzeige
Aufsatz
Sustainability assessment of activated carbon from residual biomass used for micropollutant removal at a full-scale wastewater treatment plant
Zusammenfassung
Activated carbon (AC), used for removal of organic micropollutants in European wastewater treatment plants (WWTPs), is usually produced from non-renewable resources that need to be transported over long distances. Utilising local residual biomass as a raw material may be advantageous in terms of sustainability. This study investigated the environmental and energy balances of using biowaste and biomass from landscape management for micropollutant removal at a commercial scale WWTP. Both residual biomasses were processed using the integrated generation of solid fuel and biogas from biomass (IFBB) technique to obtain a press cake that was used as feedstock for AC production. The results showed a lower global warming potential (GWP) and cumulative energy demand in comparison to a fossil-based conventional AC Differences in GWP between residual and fossil ACs were enhanced when the end-of-life incineration step was considered, and residual AC had a lower social risk associated with its production. Energy efficiency of AC production was substantially increased by utilising waste heat generated in the pyrolysis process of biochar production and by using electricity generated in a combined heat and power plant using biogas from the methanation of IFBB press fluids. Converting residual biomass into activated carbon using IFBB and a state-of-the-art pyrolysis and activation unit along with energy recovery would improve WWTP sustainability and self-sufficiency in terms of the raw materials required.
Zitierform
In: Environmental Research Letters Volume 15 / Number 6 (2020-05-29) eissn:1748-9326Förderhinweis
Gefördert durch den Publikationsfonds der Universität KasselZitieren
@article{doi:10.17170/kobra-202006291373,
author={Joseph, Ben and Kätzl, Korbinian and Hensgen, Frank and Schäfer, Bernhard and Wachendorf, Michael},
title={Sustainability assessment of activated carbon from residual biomass used for micropollutant removal at a full-scale wastewater treatment plant},
journal={Environmental Research Letters},
year={2020}
}
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2020-06-29T15:13:45Z 2020-06-29T15:13:45Z 2020-05-29 doi:10.17170/kobra-202006291373 http://hdl.handle.net/123456789/11610 Gefördert durch den Publikationsfonds der Universität Kassel eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ life cycle assessment (LCA) biochar social risk assessment global warming potential sustainable resource management 630 Sustainability assessment of activated carbon from residual biomass used for micropollutant removal at a full-scale wastewater treatment plant Aufsatz Activated carbon (AC), used for removal of organic micropollutants in European wastewater treatment plants (WWTPs), is usually produced from non-renewable resources that need to be transported over long distances. Utilising local residual biomass as a raw material may be advantageous in terms of sustainability. This study investigated the environmental and energy balances of using biowaste and biomass from landscape management for micropollutant removal at a commercial scale WWTP. Both residual biomasses were processed using the integrated generation of solid fuel and biogas from biomass (IFBB) technique to obtain a press cake that was used as feedstock for AC production. The results showed a lower global warming potential (GWP) and cumulative energy demand in comparison to a fossil-based conventional AC Differences in GWP between residual and fossil ACs were enhanced when the end-of-life incineration step was considered, and residual AC had a lower social risk associated with its production. Energy efficiency of AC production was substantially increased by utilising waste heat generated in the pyrolysis process of biochar production and by using electricity generated in a combined heat and power plant using biogas from the methanation of IFBB press fluids. Converting residual biomass into activated carbon using IFBB and a state-of-the-art pyrolysis and activation unit along with energy recovery would improve WWTP sustainability and self-sufficiency in terms of the raw materials required. open access Joseph, Ben Kätzl, Korbinian Hensgen, Frank Schäfer, Bernhard Wachendorf, Michael doi:10.1088/1748-9326/ab8330 Aktivkohle Kläranlage Biomasse Umweltbilanz Pflanzenkohle Ressourcenmanagement Nachhaltigkeit publishedVersion eissn:1748-9326 Number 6 Environmental Research Letters Volume 15 false
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