Skip to main content

Ecobiotechnological Approaches: Enrichment Strategy for Improvement of H2 Production

  • Chapter
Microbial Factories

Abstract

Hydrogen has been mooted as future fuel on the basis of its carbon neutrality, renewable nature, and highest energy density. In the recent times, its economical production has gained attention. The present chapter deals with a comprehensive insight on dark-fermentative biohydrogen production process. This process is less energy intensive and environmentally benign, and waste materials can be used as substrate. Biochemical insight on hydrogen production via dark fermentation exemplifies the complexity of the process. The maximum H2 yield of 4 mol H2 per mol of glucose has been observed when fermentation followed a solely acetate pathway. The potential H2-producing microorganisms are present in various natural and man-made habitats such as sewage sludge, anaerobically digested sludge, animal waste, compost, hot springs, oceanic sediments, and soil. There are many advantages of working with mixed consortia, viz., presence of different hydrolytic enzymes, better oxygen tolerance, etc. Various pretreatment processes have been explored to enrich H2-producing microbes. A detailed pretreatment processes, viz., chemical, physical, combined treatments, etc., creates a selection pressure, which could effectively alter the microbial dynamics of the mixed culture. Molecular techniques like polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE), terminal restriction fragment length polymorphism (T-RFLP), ribosomal intergenic spacer analysis (RISA), quantitative PCR (qPCR), single-strand conformation polymorphism (SSCP), fluorescence in situ hybridization (FISH), and fluorescence-activated cell sorting (FACS) could be used for advanced and rapid microbial characterization. Use of cheap, renewable, and easily available raw materials could bring down the production cost of bioH2.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 129.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 169.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 169.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

References

Download references

Acknowledgments

Authors are thankful to the Council for Scientific and Industrial Research (CSIR), Department of Biotechnology (DBT), Ministry of New and Renewable Energy (MNRE), Defence Research and Development Organisation (DRDO), and Department of Science and Technology (DST), Government of India, for the financial assistance.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Debabrata Das .

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2015 Springer India

About this chapter

Cite this chapter

Roy, S., Das, D. (2015). Ecobiotechnological Approaches: Enrichment Strategy for Improvement of H2 Production. In: Kalia, V. (eds) Microbial Factories. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2598-0_3

Download citation

Publish with us

Policies and ethics