Biochar production with amelioration of microwave-assisted pyrolysis: Current scenario, drawbacks and perspectives

Vishal Hadiya, Kartik Popat, Shaili Vyas, Sunita Varjani*, Meththika Vithanage, Vijai Kumar Gupta, Avelino Núñez Delgado, Yaoyu Zhou, Pau Loke Show, Muhammad Bilal, Zhien Zhang, Mika Sillanpää, Swayansu Sabyasachi Mohanty, Zeel Patel

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

In recent years, biomass has been reported to obtain a wide range of value-added products. Biochar can be obtained by heating biomass, which aids in carbon sinks, soil amendments, resource recovery, and water retention. Microwave technology stands out among various biomass heating technologies not only for its effectiveness in biomass pyrolysis for the production of biochar and biofuel but also for its speed, volumetrics, selectivity, and efficiency. The features of microwave-assisted biomass pyrolysis and biochar are briefly reviewed in this paper. An informative comparison has been drawn between microwave-assisted pyrolysis and conventional pyrolysis. It focuses mainly on technological and economic scenario of biochar production and environmental impacts of using biochar. This source of knowledge would aid in the exploration of new possibilities and scope for employing microwave-assisted pyrolysis technology to produce biochar.

Original languageEnglish
Article number127303
JournalBioresource Technology
Volume355
Early online date13 May 2022
DOIs
Publication statusPrint publication - Jul 2022

Bibliographical note

Publisher Copyright: © 2022 Elsevier Ltd

Keywords

  • Biochar
  • Biomass
  • Microwave absorbers
  • Microwave-assisted pyrolysis
  • Sustainability

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