Chapter 11

Valorization of By-Products Produced During the Extraction and Purification of Biofuels

Subodh Kumar

Subodh Kumar

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

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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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Dushyant Kumar

Dushyant Kumar

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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Sameer Ahmad Khan

Sameer Ahmad Khan

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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Anushree Malik

Anushree Malik

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

Biofuel production from renewable organic feedstocks is emerging as a sustainable solution for increasing energy consumption, declining fossil fuel reserves, and deteriorating environmental health. Different thermochemical and biochemical routes utilize the different organic feedstocks depending upon the suitability of that feedstock for biofuel production via a particular route. Byproducts produced during the extraction of biofuels (biodiesel, bioethanol, and biogas) are the primary concern in the way of the waste to wealth approach. Discarding the byproducts in the open environment may again hamper the idea of sustainable development. On the other hand, utilizing the byproducts to produce value-added (biofuels and chemicals) products may boost the whole process in the perspective of a circular economy and clean environment. This chapter discusses the recent studies exploring various approaches of utilizing the by-products of biodiesel production, bioethanol, and biogas fermentation.

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