Photo: Airvault cement plant (Source: Heidelberg Materials) Heidelberg Materials France has commissioned a state-of-the-art kiln line at its Airvault cement plant. It replaces two semi-dry process clinker lines with a modern pre-calciner system with an annual capacity of 1.25 million tons. This...

Photo: Redding manufacturing plant in California (Credit: Fortera) Compared to the traditional clinker–cement process, the ReCarb® cement process by Fortera in their Redding plant (photo) in California, USA, is simpler, uses less raw materials and a kiln temperature of only 950°...

More than 800 kg of CO2 are released during the production of one ton of pure Portland cement [1]. In line with global climate targets, the Global Cement and Concrete Association (GCCA) committed to fully decarbonise the cement and concrete industry and provide net zero concrete for the world by...

First CCS system at the Brevik cement plant Summary Carbon capture, utilisation and storage (CCUS) is seen as an essential breakthrough technology for achieving a net-zero (or carbon neutral) cement and concrete production by 2050. But this is controversial because of the high costs of such system...

Red mud (RM) is a solid waste, considered a hazardous waste due to its high pH and heavy metals concentration. Therefore, this study investigates the potential use of co-calcined red mud and kaolin clay as a pozzolanic material and further comparison with fly ash, RM and calcined RM. The resulting...