The experiment studied optimize the pickling process conditions of kaolin.
实验研究了酸浸高岭土的优化工艺条件,高岭土与盐酸质量比为1:3,盐酸浓度为6mol。
The best process conditions of pickling and removing impurity were obtained through experiment.
采用改进的全湿法工艺对柳州锌品集团公司生产的氧化锌原料进行了提纯处理 ,通过实验 ,确立了酸浸、除杂过程的最佳工艺条件 ,制备得氧化锌含量为 99。
The vanadium phase and valence state of stone-coal with low carbon in Guizhou province were analyzed by electron probe,and a pressure acid leach experiment was carried out.
利用电子探针分析方法对贵州某地低碳石煤中钒矿物和价态进行了分析,并对该矿石进行了加压酸浸试验研究。
The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
The paper comprehensive introduce roasting and leaching technology of silica and charcoal based vanadium ore .
试验结果表明,采用无钠化空白焙烧-酸浸工艺,钒的浸出率93。
In this study,we strengthened the effect of leaching process at the temperature above 100 ℃,proper content of HF acid and leaching time,which can further eliminate the impurity element to make high purity quartz power.
针对脉石英矿中含有大量云母及长石等伴生矿的特点,通过调整溶液浓度及温度等手段,强化矿物的酸浸效果。
The optimal parameters for V2O5 extraction from stone coal with the technology of roasting-sulfuric acid leaching is investigated by orthogonal experiments.
采用正交实验研究焙烧-硫酸浸出法从石煤中提取五氧化二钒的最佳条件。
A comparative investigation on the XRD spectra of coal series kaolin and high-SiO 2/Al 2O 3 kaolin before calcining and acid-leaching and after that, clearly shows that these two kinds of kaolins have the same calcining and acid-leaching mechanisms.
用XRD谱图对比了煤系高岭土与高硅铝比高岭土煅烧酸浸前后的结晶分布特征 ,发现两者的煅烧活化过程完全相同 ,只有其中的高岭石经煅烧成为偏高岭石后才能进行酸浸反应 ,后者含有大量的硅铝化合物伴生矿使得最大浸取率很低。
The technological route for the preparation of manganous sulfate from rhodochrosite by acid-leaching was reviewde.
介绍了以菱锰矿为原料，用硫酸浸出法制备硫酸锰的工艺路线，详细讨论了各种因素对锰浸出率及产品质量的影响，进而对老工艺进行了改进，优化出了最佳工艺条件。
Effect of various factors on the kind and concentration of acid,ratio of solid and liquor,amounts of adding HF,temperature and time of acid-leaching were investigated,an.
本文采用混酸加氟法对工业微硅粉进行除铁试验研究,试验研究了酸的种类和质量分数、固液比、混酸配比、氢氟酸的加入量、酸浸温度和时间等因素的影响,结果表明:最佳的工艺条件是混酸的成分为3%HCl+17%H2SO4,液固比为1。
Study on enrichment of germaniumin hot acid leaching and zinc-smelting with iron vitriol method;
热酸浸出—铁矾法炼锌工艺中富集锗的研究
Investigations into separation of the components such as A1_2O_3 in the gangue by acid leaching;
煤矸石中Al_2O_3等成分的酸浸分离研究
Study on low grade sulfide zinc-lead ore flotation and separation through acid leaching with oxygen pressure;
低品位硫化铅锌矿混合浮选-氧压酸浸分离铅锌的研究