the results show that the size of co powder is lied on the oxidation parameter of cobalt oxalate, and the co powder reduced directly from cobalt oxalate (coc_2o_4) has smaller size.
结果表明,氧化条件影响了钴粉的粒度,草酸钴直接还原的钴粉具有更小的粒度。
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 spherical cobalt oxalate powder prepared by the producing method has fewer impurities and better appearance, and can be prepared by a simple and efficient production method.
study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.
目的:探讨采用草酸铵作为提取溶剂和超声波振蕩处理法提取菠萝皮渣果胶的工艺条件。
studying on some plant cobalt aqueous phase, it carried out high-purity cobalt oxide or cobalt oxalate preparation tests in the laboratory.
以某厂含钴水相为研究对象,在实验室开展了高纯氧化钴或草酸钴的制备试验。
the influences of tungsten-doping upon the structure and morphology of cobalt oxalate were studied.