![]() ![]() Graph 1: US active cement kilns by capacity and age. Doing so would involve reducing the clinker factor, improving energy efficiency, increased use of alternative fuels, using CCUS, using alternative feedstocks and adopting alternatives to traditional cement production methods. The headline figure, for example, is that following a set of pathways to fully decarbonise the US cement industry would cost US$60 - 120bn by 2050. Although it is similar to many other varied sector roadmaps, including the Portland Cement Association’s Road to Net Zero that was released in 2021, this document is well worth reading due to its details and local market context. They are likely intending to capitalise on the publicity that is likely to be generated once it officially starts up.ī ack in North America the DC2 Alliance noted in its press release the DOE’s release of its Pathways to Commercial Liftoff: Low-Carbon Cement report in September 2023. These two companies have worked on the full-scale CCUS unit at Norcem’s Brevik cement plant, which is due to be commissioned later in 2024. The other related story was a memorandum of understanding that Aker Carbon Capture and MAN Energy Solutions have also signed this week to jointly pursue opportunities related to carbon capture, utilisation and storage (CCUS) and CO 2 compression in the North American market. DC2 was formally launched in January 2024 but it follows previous work by the companies in the area. It also intends to look at advocacy and public sector engagement including expanded tax credits, development of standards for novel cements, consistent ecolabeling and accounting, and customer demand support. The group’s principal aim is to lobby the US government toward using new low-carbon cement and concrete products in public infrastructure. First, 10 companies - Biomason, Blue Planet Systems, Brimstone, CarbonBuilt, Chement, Fortera, Minus Materials, Queens Carbon, Sublime Systems, and Terra CO 2 - announced they were launching the Decarbonized Cement and Concrete Alliance (DC2). The other two stories from North America are worth noting because they both concern commercial equipment or technology suppliers joining up to work together. Specifically, it will support the development of the pilot skid for site deployment. The new information at this stage is that GTI Energy is involved. It plans to build a 3t/day CO 2 capture unit that uses a method intended to retain 95 - 99% of CO 2 from cement kiln gas with a purity exceeding 95%. It has a total budget of US$9m, with US$7m supplied by the DOE. The information builds on an earlier release from the US Department of Energy’s (DOE) Office of Fossil Energy and Carbon Management (FECM) in late December 2023 about the project. Holcim US announced that it is working with Ohio State University and GTI Energy to design, build and test engineering-scale membrane carbon capture technology at the Holly Hill cement plant in South Carolina. This week’s selection is notable because three of the stories cover North America. However, increasingly, the topic has become a regular feature in the press as the industry bends to the demands of the carbon agenda. ![]() In June 2021, we completed a P re-FEED (Pre-Front End Engineering Design) study of a 30 tonne/day CO2 capture commercial-scale system for deployment at the Integrated Solar Combined Cycle plant at Duba. The Circular Carbon Economy-National Program, an initiative from the Ministry of Energy, is actively looking at the commercialization of the CCC technology in the Kingdom.It has been a busy week for carbon capture in the cement sector with Global Cement covering five stories. Both these organizations have shown interest in the technology and willingness to actively engage in the technology adoption journey in the Kingdom. The technology was also showcased to delegates from NEOM. In March 2021, a team of technologists from Saudi Aramco, led by their CTO, Ahmed Al-Khowaiter witnessed the demonstration of carbon capture at KAUST. The technology was showcased at the CCI (Circular Carbon Initiative) event hosted by KAUST in December 2020. ![]() The technology has been demonstrated extensively at a 1 tonne per day CO2 capture rate by SES in the US and it was validated independently at KAUST in Q4-2020 & Q1-2021. ![]()
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