Trends in Green Chemistry Open Access

  • ISSN: 2471-9889
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CCUS: Green Chemistry Based Technological Solutions and Research Paths

Himmat Singh*

Carbon Capture, Utilization, and Storage (CCUS) is among the largest challenges on the horizon. CCU is considered an important CO2 mitigation strategy to support CCS objective for the abatement and sequestration of captured CO2, captured from different sources. While many CCU applications can be considered technically feasible, main barriers to their industrial implementation are: Energy penalty in general, higher costs compared with conventional production paths and hydrogen from renewable resources. The applications of principles of Green Chemistry (GC) and engineering have enabled solutions to these barriers.

Since 2000 onward, the chemical industry has moved into new realm of processes which are less energy intensive, of higher efficiency and environmentally more acceptable. Examples include green solvents such as ionic liquids and supercritical CO2, cryogenic carbon capture, co-production of hydrogen electrochemical CO2 capture and chemical looping combustion systems. Conversion of captured CO2 into value added products is being achieved through novel technological approaches such as plasma chemical, co-reactant and green hydrogen based CO2 conversion, and “solar fuel” conversion paths.

Published Date: 2023-01-30; Received Date: 2022-08-02