Utilization of municipal solid wastes (MSW) for alcohol production

M. Green, S. Kimchie, A. I. Malester, Barry Rugg, G. Shelef

Research output: Contribution to journalArticle

Abstract

Treatment of Municipal Solid Wastes (MSW) yielding high-value products, in our case ethanol, energy and enriched plant growth media, are the objectives of this R & D program. The process includes resource recovery and combined treatment of MWS based on dilute acid hydrolysis and alcohol fermentation. The hydrolysis experiments were carried out at the Technion in a batch reactor and at the New York University in an extruder type reactor. It was found that the optimal conditions for the acid hydrolysis are: temperature of 230-235°C; pressure of 30-32 atm., pH value of about 0·50 and reaction time of 8-15 s. Under these conditions glucose yields of about 60% can be achieved. Methods to overcome toxicity problems while achieving high ethanol yields (better than 85%) in high substrate concentrations (TS = 25%) were developed, as well as techniques for byproducts utilization.

Original languageEnglish (US)
Pages (from-to)285-295
Number of pages11
JournalBiological Wastes
Volume26
Issue number4
DOIs
StatePublished - 1988

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Municipal solid waste
municipal solid waste
alcohol
hydrolysis
Hydrolysis
Alcohols
Ethanol
ethanol
Acids
acid
Batch reactors
Extruders
fermentation
Byproducts
Glucose
Toxicity
glucose
toxicity
Recovery
substrate

ASJC Scopus subject areas

  • Pollution
  • Waste Management and Disposal

Cite this

Utilization of municipal solid wastes (MSW) for alcohol production. / Green, M.; Kimchie, S.; Malester, A. I.; Rugg, Barry; Shelef, G.

In: Biological Wastes, Vol. 26, No. 4, 1988, p. 285-295.

Research output: Contribution to journalArticle

Green, M. ; Kimchie, S. ; Malester, A. I. ; Rugg, Barry ; Shelef, G. / Utilization of municipal solid wastes (MSW) for alcohol production. In: Biological Wastes. 1988 ; Vol. 26, No. 4. pp. 285-295.
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