湿法冶金2025，Vol.44Issue(6)：735-739,5.DOI:10.13355/j.cnki.sfyj.2025.06.004
钨酸在草酸溶液中的溶解动力学研究
Dissolution Kinetics of Tungstic Acid in Oxalic Acid Solution
摘要
Abstract
Aiming at the three wastes problem existing in the traditional hydrometallurgical tungsten smelting process,based on the analysis of the complexation coordination characteristics of oxalic acid and tungstic acid,the selective extraction of tungsten from crude tungstic acid using oxalic acid was studied.To clarify the dissolution reaction kinetics mechanism of tungstic acid in oxalic acid,taking pure tungstic acid as the research object and oxalic acid solution as the leaching agent,the dissolution rules of tungstic acid under different temperatures,oxalic acid concentrations and stirring speeds were investigated.The dissolution kinetics of tungstic acid in oxalic acid solution was studied by the equal leaching rate method.The results show that the apparent activation energy of this reaction is 48.9 kJ/mol.Controlled by the chemical reaction,the reaction order of oxalic acid concentration is 1.103 5.关键词
草酸/钨酸/浸出/溶解/动力学Key words
oxalic acid/tungstic acid/leaching/dissolution/kinetics分类
矿业与冶金引用本文复制引用
梁勇,蒲婷,陈赞鸿,刘寅亮,张明辉..钨酸在草酸溶液中的溶解动力学研究[J].湿法冶金,2025,44(6):735-739,5.基金项目
国家自然科学基金资助项目(52364046) （52364046）
江西省主要学科学术与技术带头人培养项目-领军人才(20243BCE51049) （20243BCE51049）
战略有色金属绿色低碳冶金江西省重点实验室项目(2024SSY11031). （2024SSY11031）
