离子交换法合成硫酸钡的研究
收稿日期: 2019-11-11
网络出版日期: 2020-04-13
基金资助
贵州省科技计划项目(黔科合支撑[2017]2892);贵州省科技创新人才团队黔科合平台人才([2018]5607)
Research on synthesis of barium sulfate by ion-exchange method
Received date: 2019-11-11
Online published: 2020-04-13
张鹏 , 张煜 , 段江飞 , 林小华 . 离子交换法合成硫酸钡的研究[J]. 无机盐工业, 2020 , 52(5) : 40 -44 . DOI: 10.11962/1006-4990.2019-0475
Barium sulfate was synthesized by ion-exchange method,with barium carbonate and potassium sulfate as raw ma-terials.The effects of preparation parameters on the yield of barium sulfate was investigated.X-ray diffraction（XRD）,scan-ning electron microscopy（SEM） and Fourier transform infrared spectroscopy（FTIR） were used to characterize crystalline and morphology.The results showed that the yield of barium sulfate was up to 98.25% under the optimal conditions,such as c（SO4 2-）=0.007 5 mol/L,liquid-solid mass ratio of 800∶1（g/g）,reaction temperature of 30 ℃ and reaction time of 72 h.The obtained barium sulfate was regular flake with crystalline integrity and high purity.
Key words： ion-exchange method; barium sulfate; barium carbonate; potassium sulfate
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