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CO2 to CO Conversion Technology

Why is it in the news?

  • Recently, the National Centre of Excellence in Carbon Capture and Utilisation (NCoE-CCU) at IIT Bombay Innovation developed an energy-efficient technology to convert CO2 to CO.
  • It aligns with India’s 2070 net-zero emissions target, potentially revolutionizing the steel sector with cleaner processes.

CO2 to CO Conversion Technology

  • It utilizes an electrocatalytic reaction to convert CO2 to CO at ambient temperatures (25-40 掳C), contrasting with traditional high-temperature methods.
  • Can be powered by renewable sources like solar or wind energy, enhancing sustainability and carbon neutrality.
  • The process operates efficiently at lower temperatures and without the need for additional hydrogen, marking a significant improvement over conventional methods.

Impact on the Steel Industry

  • Essential for converting iron ore to metallic iron in blast furnaces, and widely used in the industry, particularly as syn gas.
  • Current CO production methods involving partial oxidation of coke/coal generate substantial CO2 emissions, which this new technology could drastically cut.
  • Offers the steel industry a way to recycle CO2 emissions back into valuable CO, creating a less wasteful and more eco-friendly production cycle.


Electrocatalytic Process

路聽聽聽聽聽聽 Involves the direct transfer of electrons between an electrode and reactants, facilitating chemical reactions without the need for high temperatures.

路聽聽聽聽聽聽 It’s a green process due to its low environmental impact, cost-effectiveness, and efficiency, applicable in various sustainable energy technologies.


About Carbon Monoxide (CO)

路聽聽聽聽聽聽 Colourless, odourless, and tasteless gas, slightly less dense than air.

路聽聽聽聽聽聽 Generated as a byproduct of incomplete combustion of various hydrocarbons like fossil fuels, wood, and vehicle exhausts.

路聽聽聽聽聽聽 Dangerous as it competes with oxygen for binding with haemoglobin in blood, causing oxygen displacement and potential poisoning.

路聽聽聽聽聽聽 Has a short life in the atmosphere due to its role in the formation of ground-level ozone, a key component in smog.

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