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Using plasma technology to recycle CO₂ from steelmaking

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Plasma is all around us, comprising 99% of the visible universe, including the stars at night and the branch of lightning we see cracking open the sky. Researchers are using the power of this superheated matter for everything from making computer chips to healing wounds. And in Belgium, three companies are collaborating on a world-first technology: a plasma reactor that turns captured CO₂ into carbon monoxide (CO) for steel and chemical production. The process holds promise for decarbonizing steelmaking. The role of CO₂ recycling The steel sector creates more CO₂ than any other heavy industry and is considered challenging to electrify. This is because traditional steelmaking in blast furnaces uses coal as both a source of heat and, in the chemical process, as a reductant for converting iron ore to elemental (‘pig’) iron. While the sector looks to future-proof with technologies such as electric arc furnaces and direct reduction of iron ore with hydrogen, it is looking to CO₂ capture, ut...
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IIT-M researchers show that natural minerals are broken by water droplets to form nanoparticles

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Chennai: Researchers with the Indian Institute of Technology, Madras (IIT- M) have shown that common minerals can be broken by water microdroplets to make corresponding nanoparticles, making it the first research paper from the institute to be publis... Atmospheric water droplets such as clouds and fog can be charged due to ionic species present in them and by contact electrification. Disintegration of minerals make nascent surfaces and on such surfaces, different types of catalysis may occur, formi... The researchers says that ‘microdroplet showers’ composed of nanoparticles and molecules falling on Earth may be of importance to the chemical and biological evolution of the planet. Science is considered to be one of the world’s top academic journals with articles that consistently rank among the most cited in the world. The research was led by Prof. Thalappil Pradeep, institute Professor, Chemistry Department, IIT Madras, a Padma Shri awardee, and B K Spoorthi, the first author of the ...
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AgriTech Revolution, Technology Reshaping Agriculture

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Agriculture has always been the backbone of human civilisation, evolving through millennia from simple subsistence farming to today's highly mechanised and industrialised practices. However, as the global population surges and environmental challenges become more pronounced, the need to revolutionise agricultural practices has never been more urgent. The cornerstone of human civilisation is undergoing a revolutionary transformation driven by cutting-edge technology. Modern advancements such as GPS, AI powered database systems, drones equipped with cameras, and the Internet of Things (IoT) are redefining how farmers manage their fields, optimise resources, and increase crop yields sustainably. This integration of technology in agriculture, often referred to as precision farming or smart farming, promises to address the growing global food demand while minimising its environmental impact. For instance, drones equipped with multispectral sensors can detect variations in crop health t...
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