Industrial wastewater to biohydrogen: Possibilities towards successful biorefinery route

J. Rajesh Banu, S. Kavitha, R. Yukesh Kannah, Rahul R. Bhosale, Gopalakrishnan Kumar

Research output: Contribution to journalReview articlepeer-review

67 Citations (Scopus)


The aim of this review is to summarize the modern developments and enhancement strategies reported for improving the biorefinery route of industrial wastewater to biohydrogen. Recent developments towards biohydrogen production chiefly involves culture enrichment, pretreatment of biocatalysts, co culture fermentation, metabolic and genetic engineering, ecobiotechnological approaches and the coupling process of biohydrogen. In addition, an overview of dark fermentation, pathways involved, microbes involved in biohydrogen production, industrial wastewater as substrate have been focused. The utilization of organic residuals of dark fermentation for subsequent value added products are highlighted. More apparently, the two stage coupling process and its possibilities towards biorefinery has been reviewed comprehensively. Moreover, comparative energy and economic aspects of biohydrogen production from industrial wastewater and its prospects towards pilot scale applications are also spotlighted. Though all the enhancement strategies have both benefits and disadvantages, coupling process is considered as the most successful biorefinery route for biohydrogen production.

Original languageEnglish
Article number122378
JournalBioresource technology
Publication statusPublished - 2020 Feb

Bibliographical note

Funding Information:
Mr. Yukesh Kannah R is grateful to CSIR , New Delhi, India for the award of Senior Research Fellowship (CSIR Direct SRF 09/468/0529).

Publisher Copyright:
© 2019 Elsevier Ltd

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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