Use of treated effluent water in ethanol production from cellulose

Divya Ramchandran, N. Rajagopalan, Timothy J. Strathmann, Vijay Singh

Research output: Research - peer-reviewArticle

Abstract

The bioethanol industry exerts a significant demand on water supplies. Current water consumption rate in corn dry grind ethanol plants is (11-15)dm3m-3 of ethanol produced and (23-38)dm3m-3 for cellulosic ethanol plants. The main goal of this study was to examine the feasibility of use of treated wastewater effluent in place of potable freshwater for cellulosic ethanol production. The effects of using two different types of filtered treated effluent; Bloomington- Normal, IL (Residential type) and Decatur, IL (Industrial/Residential Mix type); on the rate of fermentation and final ethanol yield from a pure cellulosic substrate were evaluated. Characterization analysis of both effluent water samples indicated low concentration of toxic elements. Final ethanol concentrations obtained with Bloomington- Normal and Decatur effluent and with a control treatment using de-ionized water were similar, resulting in 360gkg-1 (0.36gg-1), 370gkg-1 (0.37gg-1) and 360gkg-1 (0.36gg-1), respectively. These findings suggest that with proper characterization studies and under appropriate conditions, the use of treated effluent water in cellulosic ethanol production is feasible.

LanguageEnglish (US)
Pages22-28
Number of pages7
JournalBiomass and Bioenergy
Volume56
DOIs
StatePublished - Sep 2013

Fingerprint

ethanol production
effluents
cellulose
water
ethanol
effluent
Cellulose
Water
bioethanol
Cellulosic ethanol
rate
water currents
water supply
wastewater
fermentation
industry
corn
sampling
Water supply
Fermentation

Keywords

  • Bioethanol
  • Cellulose
  • Effluent water use
  • Enzymatic hydrolysis
  • Fermentation

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Forestry
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Use of treated effluent water in ethanol production from cellulose. / Ramchandran, Divya; Rajagopalan, N.; Strathmann, Timothy J.; Singh, Vijay.

In: Biomass and Bioenergy, Vol. 56, 09.2013, p. 22-28.

Research output: Research - peer-reviewArticle

Ramchandran, Divya ; Rajagopalan, N. ; Strathmann, Timothy J. ; Singh, Vijay. / Use of treated effluent water in ethanol production from cellulose. In: Biomass and Bioenergy. 2013 ; Vol. 56. pp. 22-28
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