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Ethanol Production from the Organic Fraction Obtained After Thermal Pretreatment of Municipal Solid Waste

descriptionPublicationkeyboard_double_arrow_right Article , Journal 15 Dec 2009Publisher:Springer Science and Business Media LLCJournal:Applied Biochemistry and Biotechnology, volume 161, pages 423-431 (issn: 0273-2289, eissn: 1559-0291,

Authors: Jose Maria Martínez; María José Negro; Jose Miguel Oliva Dominguez; Mercedes Ballesteros; Paloma Manzanares; Rafael Castañeda; Felicia Sáez; +1 Authors

doi: 10.1007/s12010-009-8877-4

pmid: 20013073

Ethanol Production from the Organic Fraction Obtained After Thermal Pretreatment of Municipal Solid Waste

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Abstract

In this work, the use of organic fraction from municipal solid waste (MSW) as substrate for ethanol production based on enzymatic hydrolysis was evaluated. MSW was subjected to a thermal pretreatment (active hygienization) at 160 degrees C from 5 to 50 min. The organic fiber obtained after 30 min was used as substrate in a simultaneous saccharification and fermentation (SSF) and fed-batch SSF process using cellulases and amylases. In a fed-batch mode with 25% (w/w) substrate loading, final ethanol concentration of 30 g/L was achieved (60% of theoretical). In these conditions, more than 160 L of ethanol per ton of dry matter could be produced from the organic fraction of MSW.

Keywords

Waste Products, Hot Temperature, Ethanol, Hydrolysis, Enzymes, Bioreactors, Glucose, Biofuels, Fermentation, Cities

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	58
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%