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Climeworks launches world’s first CO2 capture plant

Published by , Editorial Assistant
Hydrocarbon Engineering,

Climeworks has launched the world’s first commercial plant that captures atmospheric carbon dioxide (CO2) for supply and sale to a customer. The Swiss direct air capture company launched the commercial-scale direct air capture (DAC) plant, featuring its patented technology that filters CO2 from ambient air. The plant is now supplying 900 tpy of CO2 to a nearby greenhouse to help grow vegetables. The plant is a historic step for negative emissions technology – earmarked by the Paris climate agreement as being vital in the quest to limit a global temperature rise of 2°C.

Founded by engineers, Christoph Gebald and Jan Wurzbacher, Climeworks developed its technology to capture atmospheric carbon with a filter, using mainly low-grade heat as an energy source. In Hinwil the DAC plant has been installed on the roof of a waste recovery facility – operated by the municipal administration union KEZO – with its waste heat powering the Climeworks DAC plant.

During the Climeworks capture process, CO2 is chemically deposited on the filter surface. Once the filter is saturated, the CO2 is then isolated at a temperature of about 100°C. The pure captured CO2 gas can then be sold to customers in key markets, including: commercial agriculture, food and beverage industries, the energy sector and the automotive industry. In Hinwil, Climeworks provides a continuous supply of CO2 through an underground pipeline to a greenhouse 400 m away, operated by Gebrüder Meier Primanatura AG, to assist with growing vegetables such as tomatoes and cucumbers.

By securing this supply agreement, Climeworks has ensured the Hinwil operation is the world’s first direct air capture plant with a commercial customer – an important step for the future of negative emissions technologies. The Hinwil plant will operate as a three-year demonstration project in co-operation with the partners Gebrüder Meier and KEZO, and with a contribution towards non-amortisable costs by the Swiss Federal Office of Energy (SFOE).

“Highly scalable negative emission technologies are crucial if we are to stay below the 2°C target of the international community,” says Christoph Gebald, co-founder and managing director of Climeworks. “The DAC-technology provides distinct advantages to achieve this aim and is perfectly suitable to be combined with underground storage. We’re working hard to reach the goal of filtering one per cent of global CO2 emissions by 2025. To achieve this, we estimate around 250 000 DAC-plants like the one in Hinwil are necessary.”

In coming months Climeworks plans to launch additional commercial pilot projects in key target markets and wants to test its technology’s potential to deliver negative emissions by combining it with underground storage. “With the energy and economic data from the plant we can make reliable calculations for other, larger projects and draw on the practical experience we have gained.” says Jan Wurzbacher, Climeworks co-founder and managing director.

Read the article online at: https://www.hydrocarbonengineering.com/the-environment/01062017/climeworks-launches-worlds-first-co2-capture-plant/

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