leaching

The preparative process of phytin from degrease tikitiki by acid leaching and alkali neutralization was studied.The new process contidion of circulating water leaching was obtained.

研究了脱脂米糠经酸浸碱中和的菲丁生产工艺条件,提出利用循环水浸泡法的新工艺。

Countering this problem,the commercial scale trail of oxygen rich leaching of peroxyl was carried out.

针对这个问题，进行了过氧氢富氧浸出工业试验。

The application of lead salt in the cyanide leaching operation can produce microcell in the surface of gold grain.

氰作业中应用铅盐可在金粒表面形成微电池,对于纯金颗粒这原电池可促进金的溶解。

Behavior of microbial dissimilatory reduction in the process of bioleaching metal oxide was researched to increase the leaching efficiency of marine manganese nodules.

为考查异还原微生物在浸出金属氧物中的行为,提高微生物浸出深海多金属结核的效率。

The leaching process of the carotenoid (mainly lutein) from the sericulturist and the technology parameter are introduced in this paper.

介绍了从蚕沙中提萝卜素(主要为叶黄素)的工艺过程及工艺参数。

The Sn granites are characterized by biotite and titanite as Sn-bearing minerals, which suffured hydrothermal alteration, leading to tin leaching and subsequent crystallization of cassiterite.

前者以黑云母、榍石为典型含锡矿物，它们在流体富集阶段，经热液蚀变作用，导致锡的淋滤和结晶富集作用；

There are some independent minerals of Cd, which are secondary minerals formed during weathering and leaching, such as greenockite, otavite and oxides of Cd in the oxidized zone of the deposit.

镉主要以质同象存在于闪锌矿中,少量镉以硫镉矿等独立矿物形式存在于矿床的氧带，是风淋滤过程中形成的镉的次生矿物。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸后不溶性杂质与金属离子杂质都被除去,氢氧钙转率为88%左右。

The process of decoppering through insoluble anode electrolysis in the solution produced by leaching high grade matte nickel using chlorine is intro-duced in this paper.

本文介绍了氯浸出高冰镍溶液采用不溶阳极电解脱铜的方法。