Value proposition

Transforming heavy industry—starting with cement

Brimstone is on a mission to transform heavy industry, starting with cement—an essential sector responsible for 7.5% of global CO2 emissions. Our team developed an efficient, economical, and deeply decarbonized process to produce portland cement, supplementary cementitious materials (SCM) and smelter grade alumina. The Brimstone process leverages the power of co-production and a carbon-free feedstock to deliver the same industry-standard products trusted by builders for generations.