California calcined clay operation build out paces SB596 implementation
Sources: Purebase Corp., Ione, Calif.; CMCM staff Purebase Corp. anticipates a Q3 start up for a calciner engineered to process reactive, concrete-grade metakaolin from an Ione, Calif. kaolin clay deposit. An ASTM C618-designated natural pozzolan, metakaolin presents a lower carbon alternative to portland cement, owing to the lower calcination phase Read more…