Selective ethanol extraction from fermentation broth using a silicalite membrane

Mikihiro Nomura, Tang Bin, Sin Ichi Nakao

Research output: Contribution to journalArticle

113 Citations (Scopus)

Abstract

The selective extraction of ethanol from ethanol fermentation broth through a silicalite zeolite membrane was investigated. Ethanol (98.2 wt.%) at permeate side which is above the azeotropic composition, was continuously obtained from the fermentation broth having a 20 wt.% ethanol concentration. The separation factor of ethanol over water was 218, which is higher than that from water-ethanol mixtures. This high ethanol selectivity was due to the salts that are contained in fermentation broth. The high ethanol selectivity was maintained for 48 h.

Original languageEnglish
Pages (from-to)59-66
Number of pages8
JournalSeparation and Purification Technology
Volume27
Issue number1
DOIs
Publication statusPublished - 2002 Apr 1
Externally publishedYes

Fingerprint

Fermentation
Ethanol
Membranes
Zeolites
Water
Salts
Chemical analysis

Keywords

  • Ethanol extraction
  • Fermentation broth
  • Pervaporation
  • Silicate zeolite membrane

ASJC Scopus subject areas

  • Filtration and Separation
  • Energy(all)

Cite this

Selective ethanol extraction from fermentation broth using a silicalite membrane. / Nomura, Mikihiro; Bin, Tang; Nakao, Sin Ichi.

In: Separation and Purification Technology, Vol. 27, No. 1, 01.04.2002, p. 59-66.

Research output: Contribution to journalArticle

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