Chapter 5

An Overview on Established and Emerging Biogas Upgradation Systems for Improving Biomethane Quality

Tinku Casper D'Silva

Tinku Casper D'Silva

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Adya Isha

Adya Isha

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Subodh Kumar

Subodh Kumar

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Sameer Ahmad Khan

Sameer Ahmad Khan

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Dushyant Kumar

Dushyant Kumar

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Ram Chandra

Ram Chandra

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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Virendra Kumar Vijay

Virendra Kumar Vijay

Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, India

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First published: 28 April 2023

Summary

Biogas polishing succeeding its production has become a mandate to achieve fuel quality equivalent to conventional fuels. Various physical and chemical biogas upgradation systems have been developed over the past few decades and are available commercially. However, the available technologies have their limitations with respect to the resource, costs, and energy requirements. Recently, newer methane enrichment technologies based on biological processes have emerged. The research development over these techniques has flourished because of their cost-effectiveness and energy-efficient characteristics. Thus, the biological biogas upgradation systems are expected to be developed soon, which is still under laboratory investigation. This chapter focuses on the principles of upgradation of biogas by applying the trending microbial methane enrichment, bio-electrochemical, and algal-based photosynthetic upgradation systems.

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