氰化

Direct cyanidation will be taken and roasting process will not be necessary after removal of arsenic.

难浸金矿石和精矿用常规氰化法直接提取时，不能有效地回收金，因此，必须经过预处理。

The cyanidation rates of gold, silver and copper were compared with each other under the same reaction conditions by kinetic rotating disk method, and the influences of sulfion on them were discussed.

云南大学化学系，昆明 650091摘要：用旋转圆盘法在相同的实验条件下，对金、银、铜的氰化溶解速率进行比较研究。

The influence of temperature,time,pulp density,oxygen partial pressure,material grade on cyanidation extraction rate was researched.

针对温度、滞留时间、矿浆浓度、氧分压、物料粒度等因素对金氰化浸出率的影响进行了研究，并讨论了黄钾铁矾的生成对银回收率的影响。

According to problems with the cyanidation press filtration feed system in Gaoyao Hetai gold mine ,some reforms were carried out.

针对广东高要河台金矿选冶厂氰化压滤给料系统存在的一些弊端，对其进行技术改造。

The application of whole pressure filtration technology of tailing pulp in the all sliming cyanidation CIP plant of Jingdu Gold Smeltery of Beijing was introduced.

介绍了尾矿浆全压滤工艺在北京市京都黄金冶炼厂的全泥氰化炭浆厂中的应用实践。

Using cyanidation method to leach gold from smelting slags .

采用氰化法提取冶炼尾渣中的金，采用单因素和正交试验考察各因素对金浸出的影响。

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用，消除含炭金精矿中炭在浸出过程中的影响，使金精矿的浸出率可由直接氰化的10％提高到88％。

A new method of handling cyanide wastewater produced in roasting-cyanidation process was proposed in the paper.

研究提出了一个焙烧—氰化工艺中含氰废水处理的新方法。

PH value is a key parameter during cyanide leaching process.

在氰化浸出过程中，pH值是关键的技术参数。

This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.

通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。