沉淀法处理双氰胺厂废渣的研究

Study of Waste Treatment in the Processing of Dicyandiamide by Precipitation Method

本文以双氰胺生产过程中产生的废渣为处理对象，讨论了沉淀法处理废渣的理论依据、工艺路线及回收碳酸钙的工艺条件。

It was discussed how to treat the calcium-containing waste in the processing of dicyandiamide. The theory and technological process for treating calcium-containing waste with precipitation method were studied and technological con-dition for the recoverv of calcium carbonate was proposed.