PRODUCTION OF ETHANOL PRODUCTS

An improved method and apparatus are provided for recovery of high quality ethanol. Substantial energy savings are realized by utilizing a pair of analyzer columns in which overhead vapours from column operating at a higher pressure supplies the heat required for column operating at a lower pressure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RATHI, Shrikant Subhash, BHOSALE, Abhijit Anil, DESHPANDE, Ghansham Baburao, PIMPUTKAR, Vijaykumar Surendranath, DESHPANDE, Devdatta Krishna
Format:	Patent
Sprache:	eng ; hun
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPIRITS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	An improved method and apparatus are provided for recovery of high quality ethanol. Substantial energy savings are realized by utilizing a pair of analyzer columns in which overhead vapours from column operating at a higher pressure supplies the heat required for column operating at a lower pressure. The fermented wash is split into two portions of unequal sizes, the larger portion supplied to the higher pressure analyzer column and the smaller portion to the lower pressure analyzer column to achieve efficient primary distillation of ethanol followed by a series of distillation steps including dehydration leading to high quality ethanol products.