摘要
Do-Fluoride Chemicals Co.,Ltd.(DFD) developed a new processto produce barium fluosilicate or barium fluoride through reactionbetween ammonium fluorosilicate and barium carbonate (or bariumhydroxide).The ammonium fluorosilicate is prepared by usingbyproducts of phosphate fertilizer,i.e.fluosilicic acid to reactwith ammonia.
