Integrated catalytic insights into methanol production: Sustainable framework for CO2 conversion

Reva Bhardwaj, Tanvi Sharma, Dinh Duc Nguyen, Chin Kui Cheng, Su Shiung Lam, Changlei Xia, Ashok Kumar Nadda

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

A continuous increase in the amount of greenhouse gases (GHGs) is causing serious threats to the environment and life on the earth, and CO2 is one of the major candidates. Reducing the excess CO2 by converting into industrial products could be beneficial for the environment and also boost up industrial growth. In particular, the conversion of CO2 into methanol is very beneficial as it is cheaper to produce from biomass, less inflammable, and advantageous to many industries. Application of various plants, algae, and microbial enzymes to recycle the CO2 and using these enzymes separately along with CO2-phillic materials and chemicals can be a sustainable solution to reduce the global carbon footprint. Materials such as MOFs, porphyrins, and nanomaterials are also used widely for CO2 absorption and conversion into methanol. Thus, a combination of enzymes and materials which convert the CO2 into methanol could energize the CO2 utilization. The CO2 to methanol conversion utilizes carbon better than the conventional syngas and the reaction yields fewer by-products. The methanol produced can further be utilized as a clean-burning fuel, in pharmaceuticals, automobiles and as a general solvent in various industries etc. This makes methanol an ideal fuel in comparison to the conventional petroleum-based ones and it is advantageous for a safer and cleaner environment. In this review article, various aspects of the circular economy with the present scenario of environmental crisis will also be considered for large-scale sustainable biorefinery of methanol production from atmospheric CO2.

Original languageBritish English
Article number112468
JournalJournal of Environmental Management
Volume289
DOIs
StatePublished - 1 Jul 2021

Keywords

  • Amine solvents
  • Enzymes
  • Greenhouse gases
  • Methanol
  • Microbes
  • Porphyrins

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