This document establishes the procedures for the production of nano calcium carbonate, stipulates the requirements for safe production, equipment and facilities, raw and auxiliary materials, as well as calcination, digestion, slag removal, aging, carbonization (carbonation), surface treatment, filter press, drying, screening Operating instructions for each stage of the sorting, packaging and other processes. This document applies to the production of nanometer calcium carbonate by bubble carbonization (carbonation) method.
T/GXAS 224-2021 history
2021T/GXAS 224-2021 Technical code of practice for nanoscale calcium carbonate processing