1. The acid leaching kinetics of serpentine was researched.

2. The catalysis - acid leaching process of copper bismuth sulphide dregs is introduced.

3. The effect of acid leaching conditions on leaching rate of copper and zinc in process for production of copper and zinc sulfates from copper smelting dust was studied in this paper.

4. Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.

5. The acid leaching of manganese minerals with scrap iron a reductant a leaching of 97.

6. Among all the leachingtechnologies investigated , acid leaching,[/acid leaching.html] ammoniacal leaching and bacterial leaching are emphatically introduced.

7. Besides, activating bentonite by acid leaching and microwave has also been investigated.

8. This paper makes a thermodynamic analysis on acid leaching process of germanium oxide dust and discusses the behaviours of mainly substances of the dust on leaching process.

9. By chemical dispersion and acid leaching, silica nanowires were prepared from natural mineral chrysotile.

10. Sulfuric acid leaching technology of a nickeliferous spent material was studied.

11. The arsenolite cinders were treated by the processes of oxidizing roasting-pyrolusite pulp absorption, magnetizing roasting-magnetic separation and acid leaching.

12. For this, hydrogen peroxide and cupferron were used as screening agent and agent for removing impurities in the test of purifying this vanadium-containing acid leaching solution.

13. Traditional production methods of rich titanium materials are mainly refer to Electric Smelting Law, Reduction Rust Law, Choice Chlorination Law and Acid Leaching Law.

14. This paper involved chemical compositions and physical phases of iron pyrite cinder and the principle of extracting iron from the cinder acid leaching.

15. The extracting iron from pyrite cinder by reductive roasting and sulfuric acid leaching was investigated.

16. The process of producing vanadium pentoxide from bone coal vanadium mine without salt-roasting and acid leaching, was systematically studied.