Joins the sodium hydroxide to including hard and the zinc sulfuric acid solution , causes the hard ion to turn the goethite precipitation separation .
加入氢氧化钠於含有铁及锌的硫酸溶液,使铁离子变成针铁矿沉淀分离。
The mineralogical properties of alsubstituted goethite and its resultant hematite formed from thermal dehydroxylation .
铝代换针铁矿及其加热形成的赤铁矿的矿物学特性。
A study of the formation of goethite , hyrogoethite and hematite under the bacterial action indicates that the bacterial action includes the whole process of solution and adsorption , complexation , transformation and crystallization-nucleation .
This paper describes several important methods of removing fe in hydrometallurgy of zn , mn , cu , ni , co and etc. including the methods of neutralized hydrolysis , jarodite and goethite , and the reactions , the technical requirements and thermodynamic analysis these methods .