It is proved that preduction of high-carbon graphite by chloridizing roast is better than by alcali.

指出氯化焙烧法生产高碳碱法为优。

The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.

产的氯化在联碱车间加工成氯化、工艺合理经济划算。