欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
脱除铝酸钾、碳酸钾等杂质是铬盐清洁工艺亚熔盐介质循环利用的重要环节。作者测定了40℃及95℃KOH—K2CO3-Al2O3-SiO2-H2O体系部分溶解度，确定该体系存在K2O·Al2O3·3H2O（即KAlO2·1.5H2O）与K2CO3·1.5H2O等平衡固相，为亚熔盐介质的冷却结晶除杂过程控制提供了热力学依据和指导。
英文摘要：
The effective removal of potassium aluminate and potassium carbonate from the sub-molten salt is of great importance before it is recycled as reaction media in the new cleaner production technology of chromate. Some solubility data for the KOH-K2CO3-Al2O3-SiO2-H2O system at 95 ℃ and 40 ℃ were determined and the equilibrium solid-phase K2O· Al2O3 · 3H2O, i. e. KAlO2 · 1.5 H2O, and K2CO3 · 1. 5H2O was indentified by XRD analysis. The research provides a thermodynamic basis for the process control of the cooling crystallization of the sub-molten salt media to remove the impurities.
同期刊论文项目
同项目期刊论文
期刊信息
位置：