Preparation of Novel Ionic Sieve for Extracting Neodymium 新型提钕离子筛的研制
The mechanism of selective separation on the surface of ionic sieve of removal of neodymium was explored by analyzing fourier transformation infrared spectra ( FTIR), X-ray diffraction ( XRD) and the results of selective experiment. 通过对离子筛的红外光谱,X射线衍射及选择性实验等分析,探索了其选择性筛分的机理。
Ionic exchange Behaviour of MnO 2 and Selective Adsorption of Lithium Ions by MnO 2 Ionic Sieve MnO2的离子交换行为及其离子筛法提取锂
Research and production of the new ionic sieve for extracting strontium 新型提锶离子筛的制备及研究
Study on synthesis of Li ionic sieve precursor LiMn_2O_4 by sol-gel method 溶胶-凝胶法合成锂离子筛前驱体LiMn2O4的研究
Different templates, different influence on the novel potassium ionic sieve. The study show Dual-template, consist of n-Butylamine ( n-TBA) and Diethanolamine ( DEA), was the most suitable template. 不同的模板剂对合成晶体的影响也不同,研究发现,实验合成的新型钾离子筛晶体的最适模板剂是正丁胺与二乙醇胺组成的双模板剂。
Effects of reaction conditions such as content of coupling agent and reaction time on the surface modification are discussed. The potassium ionic sieve before and after modification are characterized respectively by XRD, SEM, FT-IR, and thermogravimetric analysis. 考察了偶联剂用量和改性时间对改性效果的影响,利用XRD、SEM、FT-IR以及热重分析等方法对改性前、后的钾离子筛进行了表征。
Effects of dispersant types and contents on membrane surface morphology are discussed. At the same time, effects of reaction conditions such as content of potassium ionic sieve, concentration of PVA, content of crosslinker and reaction time on membrane performance are also discussed. 实验详细考察分散剂种类及用量对膜形貌的影响,以及离子筛含量、聚乙烯醇(PVA)浓度、交联剂用量和交联时间对膜性能的影响。
In the size of synthesized potassium ionic sieve, the influencing factors of crystal seeds, synthesis time and frequency, as well as templates were investigated respectively. 考察了晶种、合成时间、合成次数和模板剂对钾离子筛晶体尺寸的影响。
The novel potassium ionic sieve was synthesized by the way of hydrothermal growth using Al2 ( SO4) 3, soluble glass and KOH as the raw materials. 本文以Al2(SO4)3、水玻璃、KOH为主要原料,采用水热合成法合成了新型钾离子筛晶体。
The results show that inputting seeds was helpful to the synthesis of large crystal of potassium ionic sieve. 结果表明,加入晶种有利于钾离子筛大晶体的生成。