Emerging chemo-biocatalytic routes for valorization of major greenhouse gases (GHG) into industrial products: A comprehensive review

Kriti Sharma, Young Kwon Park, Ashok Kumar Nadda, Priya Banerjee, Pradeep Singh, Pankaj Raizada, Fawzi Banat, G. Bharath, Sang Mun Jeong, Su Shiung Lam

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Climate change is one of the major global concerns of 21st century, and the release of excessive greenhouse gases (GHG) is the foremost reason behind. It has become imperative to either capture excessive emission of GHG into the atmosphere or to develop advanced and efficient technologies for preventing further increase in its atmospheric concentration. Algal and microbial enzymes have been found to be effective in catalyzing the conversion of GHG to value-added products like biofuels, chemicals, polymers, biogas, and bioelectricity etc. However, these enzymes yield better catalytic activities when applied in combination with nano-materials having similar prowess for capturing and converting GHG. Replacing conventional chemical production through GHG capture and utilization affects emission of the same throughout the production chain (i.e., from cradle-to-gate). Herein, we analyze the technical potential of hybrid chemo-biocatalytic processes for GHG capture and their utilization to produce valuable industrial compounds. The study addresses the biosynthesis as well as genetic and metabolic engineering of different microbial enzymes for GHG sequestration and conversion. It also reviews recent literature of using different advanced materials for immobilization of enzymes and their subsequent application for GHG sequestration and conversion to valuable products.

Original languageEnglish
Pages (from-to)1-20
Number of pages20
JournalJournal of Industrial and Engineering Chemistry
Volume109
DOIs
StatePublished - 25 May 2022

Keywords

  • Algal enzymes
  • Bioconversion
  • GHG capture
  • Microbial fixation
  • Nanocatalysts
  • Value-added products

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