Ethanol production by modified polyvinyl alcohol-immobilized Zymomonas mobilis and in situ membrane distillation under very high gravity condition

Quanguo Zhang, Nurhayati, Chieh Lun Cheng, Yung Chung Lo, Dillirani Nagarajan, Jianjun Hu, Jo Shu Chang, Duu Jong Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Concentration of ethanol from the fermentation broth is an energy-intensive process. Very high gravity (VHG) process with modified polyvinyl alcohol-immobilized Zymomonas mobilis cells integrated with in situ bioethanol removal via vacuum membrane distillation (VMD) was proposed to mitigate product inhibition effects in VHG fermentation. The proposed VHG + VMD system, at 300 g/L glucose loading, produced 127.4 g/L (16.1% v/v) ethanol, at 63.7 g/L−h productivity and 84.9% glucose conversion rate, which is the highest in reported literature.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalApplied Energy
Volume202
DOIs
Publication statusPublished - 2017 Jan 1

Fingerprint

Polyvinyl alcohols
distillation
Distillation
alcohol
ethanol
Gravitation
Ethanol
gravity
membrane
Membranes
Fermentation
fermentation
Glucose
glucose
Vacuum
Enzyme inhibition
Bioethanol
Productivity
productivity
energy

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Energy(all)
  • Mechanical Engineering
  • Management, Monitoring, Policy and Law

Cite this

Zhang, Quanguo ; Nurhayati ; Cheng, Chieh Lun ; Lo, Yung Chung ; Nagarajan, Dillirani ; Hu, Jianjun ; Chang, Jo Shu ; Lee, Duu Jong. / Ethanol production by modified polyvinyl alcohol-immobilized Zymomonas mobilis and in situ membrane distillation under very high gravity condition. In: Applied Energy. 2017 ; Vol. 202. pp. 1-5.
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Ethanol production by modified polyvinyl alcohol-immobilized Zymomonas mobilis and in situ membrane distillation under very high gravity condition. / Zhang, Quanguo; Nurhayati; Cheng, Chieh Lun; Lo, Yung Chung; Nagarajan, Dillirani; Hu, Jianjun; Chang, Jo Shu; Lee, Duu Jong.

In: Applied Energy, Vol. 202, 01.01.2017, p. 1-5.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Ethanol production by modified polyvinyl alcohol-immobilized Zymomonas mobilis and in situ membrane distillation under very high gravity condition

AU - Zhang, Quanguo

AU - Nurhayati,

AU - Cheng, Chieh Lun

AU - Lo, Yung Chung

AU - Nagarajan, Dillirani

AU - Hu, Jianjun

AU - Chang, Jo Shu

AU - Lee, Duu Jong

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AB - Concentration of ethanol from the fermentation broth is an energy-intensive process. Very high gravity (VHG) process with modified polyvinyl alcohol-immobilized Zymomonas mobilis cells integrated with in situ bioethanol removal via vacuum membrane distillation (VMD) was proposed to mitigate product inhibition effects in VHG fermentation. The proposed VHG + VMD system, at 300 g/L glucose loading, produced 127.4 g/L (16.1% v/v) ethanol, at 63.7 g/L−h productivity and 84.9% glucose conversion rate, which is the highest in reported literature.

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