【摘要】 对PVC生产中的废电石渣和水合肼副产碱渣的综合利用工艺进行了探讨。电石渣和碱渣在特定条件下反应生成烧碱和碳酸钙粉,烧碱浓缩后回用于水合肼装置生产次钠,碳酸钙粉送电厂作脱硫剂,经济及环保效益佳。更多还原

【Abstract】 The comprehensive utilization process of carbide slag and alkali residue was discussed.In particular situations,carbide slag and alkali residue reacted to form caustic soda and calcium carbonate powder.After concentration,caustic soda was reused in hydrazine hydrate equipment for the prodution of sodium hypochlorite.Calcium carbonate powder was the desulfurization agent in power plant.Economic and environment protection were better.更多还原