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News direct air capture

Displaying items by tag: direct air capture

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China Energy Engineering’s carbon capture technology passes tests

31 July 2024

China: China Energy Engineering (CEEC) has announced the completion of reliability testing for ‘CarbonBox’, Asia's ‘largest direct air capture device by capacity’, according to the company. Developed jointly by a CEEC subsidiary and Shanghai Jiao Tong University, CarbonBox can reportedly capture over 600t/yr of CO₂. This technology will help to contribute to the production of green methanol and aviation fuel. The device aims to reduce the traditionally high energy consumption and costs associated with direct air capture devices.

A recent report by the Administrative Centre for China’s Agenda 21 and two other institutes revealed that China is advancing in CCUS deployment, with nearly 100 planned and operational projects.

Published in Global Cement News
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Block-Lite to retrofit CO2-curing system at Flagstaff concrete block plant

21 August 2023

US: Block-Lite plans to install a system to cure concrete blocks using direct air capture (DAC)-sourced CO2 at its Flagstaff, Arizona, concrete block plant. The upgrade will implement CarbonBuilt’s low-CO2 concrete production technology and AirCapture’s modular DAC technology, across five or six capture units. Direct air capture will thus remove 500 – 600t/yr of CO2 from the atmosphere, while process changes will reduce CO2 emissions from the Flagstaff plant by over 2000t/yr. The project has attracted fundraising from the 4 Corners Carbon Coalition (4CCC), with a goal of US$50,000. The Arizon Daily Sun newspaper has reported that Block-Lite plans to supply its first shipment of low-CO2 blocks to a 50-home development by Habitat for Humanity in Flagstaff.

Published in Global Cement News
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Leilac signs deal with Heirloom on direct air capture of CO2

22 February 2023

US: Leilac has signed a memorandum of understanding (MOU) with US-based Heirloom to use Leilac’s kiln technology in Heirloom’s direct air capture (DAC) process. The MOU outlines the key terms for a licence and collaboration agreement.

Daniel Rennie, the chief executive officer of Leilac, said “Leilac is delighted to be partnering with Heirloom. Our partnership will apply Leilac’s core technology for cement and lime decarbonisation to address the global challenge of excess atmospheric CO2.” He added “Heirloom uses low-cost and abundant limestone, which Leilac’s technology is specifically designed for. Both technologies are modular, easily scalable and can be renewably powered.”

Heirloom is developing a method of using limestone to remove atmospheric CO2 in a DAC process. The proposed DAC method using both Leilac and Heirloom technology will heat limestone in a Leilac kiln to release CO2 that can then be captured and sequestered. The lime that the kiln produces will then be reformed back into limestone directly capturing CO2 from the atmosphere in an accelerated process. This limestone will then be feed back into the kiln restarting the process. The partners also suggest powering the kiln from renewable electricity sources to further increase the net reduction of CO2 emissions from the process. No cost for the combined process or who would pay for it has been revealed so far.

Leilac is a subsidiary of Australia-based Calix that has been testing its indirectly heated calcination technology with the cement and lime industry since the mid-2010s. An industrial scale application of the process at Heidelberg Material’s Hanover cement plant in Germany is expected to be ready to start testing by the end of 2023. Additional projects have been announced in Australia with Adbri and Boral.

Published in Global Cement News
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