A key to Decarbonization

The CCUS lab at IIT Madras brings together a large interdisciplinary group of experts from the institute and its international partners to intensify research efforts and to make technological breakthroughs

Trusted by great companies worldwide:

Need for CCUS

CCUS Grows and evolves on the path to net-zero

(CCUS) is a set of methods to stop carbon dioxide reaching the atmosphere.

About CCUS

Emission of CO2

Fossil fuels still provide the majority of the world’s electricity, and power generation is the largest emitter of carbon in the entire energy sector

Atmospheric temperature

The global communities goal of limiting the increase in the average temperature to well below 2°C above pre-industrial levels

Tackling emissions

A low-carbon future means tackling emissions from the fossil-fuelled power fleet using every means available

Renewable source

Carbon capture technologies play an important role in supporting modern and flexible power systems


CCUS is one of the only technologies able to achieve significant decarburization of our fossil fuel based economies, particularly in carbon-intensive industries such as cement, iron and steel production. Operating CCUS projects offer important insight into the technical capabilities, policy and financing mechanisms, and permitting frameworks that could enable the successful deployment of CCUS.

The goal of the Carbon Capture Innovation Challenge is twofold: first, to identify and prioritize breakthrough technologies; and second, to recommend research, development, and demonstration (RD&D) pathways and collaboration mechanisms.

Three stages of CCUS

Carbon Capture, Use and Storage (CCUS) consists in trapping CO2 emitted in vast quantities during industrial processes such as power, steel or cement productions, to ultimately store it in subsoil away from atmosphere or re-use it.

Once captured, CO2 no longer piles up in atmosphere, and thus plays no part in the greenhouse effect nor climate change.

Capture & Separation

The separation of CO2 from other gases produced at large industrial process facilities such as coal and natural-gas-fired power plants, steel mills, cement plants and refineries.

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Once separated, the CO2 is compressed and transported via pipelines, trucks, ships or other methods to a suitable site for geological storage.

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CO2 is injected into deep underground rock formations, usually at depths of one kilometer or more.

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CCUS IITM partners with strong leaders to create transformative change.

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CCUS around the world

CCUS is recognised as a key, proven technology in reducing greenhouse gas emissions around the world.

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