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Toxicity of ionic liquid on anaerobic digestion
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi. Tianjin University of Commerce, Tianjin, China.
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-5014-3275
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi. Tianjin University of Commerce, Tianjin, China.ORCID-id: 0000-0002-6279-4446
University of Shanghai for Science and Technology, Shanghai, China.
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2017 (engelsk)Inngår i: Energy Procedia, ISSN 1876-6102, Vol. 142, s. 938-942Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Anaerobic digestion is a straightforward process to produce energy from biomass. However, the lignin composed of phenylpropanoid units induces a strong resistance for the hydrolysis step. Ionic liquids (ILs) have been applied in biomass pretreatment to dissolve the biomass components and enhance the anaerobic digestion. However, there are still some challenges such as the toxicity. ILs could inhibit the digestion process and reduce the CH4 production. In this work, a toxicity test for [BMIM]Cl (1-chlorobutane and N-methylimidazole) was conducted. Results show that IL has a strong inhibition and lowered CH4 production when its concentration was higher. At 0.2305±0.0116 g L-1 and 0.4367±0.0219 g L-1, the anaerobic digestion process was inhibited by 10 and 50%, respectively. Accordingly, a higher recovery ratio or a lower pretreatment ratio are necessary to avoid the negative impact of inhibition on BMP. 

sted, utgiver, år, opplag, sider
Elsevier Ltd , 2017. Vol. 142, s. 938-942
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URN: urn:nbn:se:mdh:diva-38731DOI: 10.1016/j.egypro.2017.12.150ISI: 000452901601016Scopus ID: 2-s2.0-85041553737OAI: oai:DiVA.org:mdh-38731DiVA, id: diva2:1185214
Tilgjengelig fra: 2018-02-23 Laget: 2018-02-23 Sist oppdatert: 2023-08-28bibliografisk kontrollert

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