The new technology, new equipment and effects in 10 kt/a barium chloride and 3 kt/a sodium bisulfide units were introduced.
介绍了在1万t/a氯化钡及3000t/a硫氢化钠装置中采用的新技术、新设备及所取得的效果,分析了运行中存在的问题,提出了相应的解决办法。
This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide as the raws materials.
以工业氯化镁和硫氢化钡为原料,采用复分解法合成高纯氢氧化镁。
The behavior for flotation separation of cobalt with sodium nitrate—ammonium thiocyanate—hexadecyl trimethylammonium bromide system and the condition for separation of cobalt with other metal ion were studied.
研究了硝酸钠—硫氢酸铵—溴化十六烷基三甲铵体系浮选分离钴Co(Ⅱ)的行为及其与常见阳离子分离的条件。
Methods In the presence of sodium nitrate the ammonium thiocyanate,malachite green and Co(Ⅱ) can form water-insoluble ion-association complexes.
方法在少量NaNO3存在下,向体系中加入硫氢酸铵和孔雀石绿,使其与Co(Ⅱ)形成不溶于水的三元离子缔合物浮于盐水相上。
The process improvement of flaky sodium hydrosulfide production;
片状硫氢化钠生产工艺改进
The production method and processing conditions of sulfur,sodium hyposulfite,sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.
介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件,指出硫化氢的综合利用生产工艺简单,产品质量稳定,容易工业化,产品成本低,同时消除了硫化氢尾气对环境的污染,有巨大的经济效益和社会效益,发展前景非常广阔。
Acrylonitrile and sodium hydrosulfide were used as main materials for the synthesis of β-mercaptopropionic acid.
以丙烯腈和硫氢化钠为主要原料,通过正交试验考察了原料摩尔比、加成反应温度、水解时间及硫粉用量4种因素对合成β 巯基丙酸收率的影响。
Discussion of whitening process of PAN fiber by sodium thiocyanate wet spinning;
硫氢酸钠湿法腈纶增白工艺探讨
Magnesium hydroxide particles were synthesized via decomposition of hydrosulfide compound followed with hydrothermal treatment.
文章考察了采用硫氢化物 -水热法制备氢氧化镁过程中硫氢化物分解工艺参数 (加热速率、MgCl2 初始浓度及添加剂 )对水热产物形貌的影响。