Designing biomass refineries to produce fuels, paper pulp, and chemicals. The key role of prehydrolysis

Koukios Emmanuel, G; Sidiras Dimitrios, K

dc.contributor.author	Koukios Emmanuel, G	en
dc.contributor.author	Sidiras Dimitrios, K	en
dc.date.accessioned	2014-03-01T02:48:00Z
dc.date.available	2014-03-01T02:48:00Z
dc.date.issued	1991	en
dc.identifier.issn	02777851	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/33498
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0026373330&partnerID=40&md5=b4bba3a506d25c96fadd0c32ec8f372a	en
dc.subject.other	Biomass - Hydrolysis	en
dc.subject.other	Chemical Reactions	en
dc.subject.other	Fractionation	en
dc.subject.other	Refining	en
dc.subject.other	Hemicelluloses	en
dc.subject.other	Prehydrolysis	en
dc.subject.other	Biomass	en
dc.title	Designing biomass refineries to produce fuels, paper pulp, and chemicals. The key role of prehydrolysis	en
heal.type	conferenceItem	en
heal.publicationDate	1991	en
heal.abstract	This paper investigates the effects of mild acidic treatment; that is, prehydrolysis, on the main components of lignocellulosec biomass, and based on that, discusses the potential role of prehydrolysis in a biomass refinery. Biomass refining is defined as the systematic fractionation of the main components of biomass, so that a series of products are generated from the highly heterogeneous raw material; these products could subsequently be used by a broad spectrum of downstream industries; that is, like oil refinery products. Prehydrolysis is found to be a very effective fractionation stage for hemicelluloses, since more than 90% of this component can be easily saccharified, mostly in monosaccharide form. On the other hand, cellulose and lignin, under the optimal conditions for hemicellulose fractionation, both undergo a significant (cellulose) or extensive (lignin) depolymerization. A limited part of the depolymerized oligomers is soluble in the hydrolyzate; considerably more could become solubilized in subsequent treatment steps such as in alkaline conditions or by extraction with organic solvents. All major aspects of prehydrolysis can be adequately described by a proposed reaction engineering model and potentially controlled through monitoring of appropriately defined 'reaction factors'. This makes possible the optimal incorporation of a prehydrolytic stage in a biomass refinery.	en
heal.publisher	Publ by Inst of Gas Technology, Chicago, IL, United States	en
heal.journalName	Symposium Papers - Energy from Biomass and Wastes	en
dc.identifier.spage	447	en
dc.identifier.epage	467	en