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.

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

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

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

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

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.

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.

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%.

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.