After the process of roasting, dissolution, and the extraction separation, the products cobalt oxalate and the chromic hydroxide from the spent catalyst can be prepared. 废催化剂经过焙烧、溶解、萃取分离后,可以得到产品草酸钴以及氢氧化铬。
The factors are analysed affecting chromic hydroxide recovery, between product in chromium metal production in chemical engineering process. 对金属铬生产过程中影响化工工序中间产品氢氧化铬回收率的因素进行了分析。
Establishing settling tank to increase recovery of chromic hydroxide whistling in Ming and Qing 增设沉清池提高氢氧化铬回收率