查询词典 cyanidation

Experimental study on extraction of gold and silver from the carbonaceous silver concentrate By cyanidation—ferric salt oxidizing process

利用KClO3作氧化剂，对银精矿进行氧化预处理，考察盐酸浓度、氧化剂加入量、亚硫酸钠浓度和浸出时间对银浸出率的影响，在盐酸3。

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％。

The more the arsenic removed by biooxidation, the more the gold extracted by cyanidation.

细菌脱砷后新生成的α-S°会使氰化钠用量增加，用碱液或石灰水预处理则可降低氰化钠用量。

The paper discussed release possibility of toxic and harmful elements during gold mining.It presented the major envi-ronmental problems that are cyanidation setups and Acid Mine drainage during gold mining.

本文主要对金矿开采中有毒有害元素的释放进行了探讨，明确了在金矿开采过程中主要的环境问题是氰化物堆浸和酸性矿坑排水问题。

Air blasting cyanidation technique was developed to prepare high purity potassium silver cyanide using raw silver or gold as a starting material.

采取金粉或银粉过量投料和控制浓缩水量，可以使反应后废液中的游离氰含量大大降低，有利于环境保护。

In an intensive process, the gold-bearing sulfides can be oxidized completely by MP30 and thus the occuluded gold is exposed to cyanidation.

焙烧会带来严重的环境污染，加压浸出是在高温高压条件下进行，这两种方法耗能都高。

A combined process of beneficiation and hydrometallurgy for the arsenic-containing gold ores at ambient temperature and pressure was presented,including floatation fine grinding,intensified alkaline leaching pretreatment and cyanidation.

对固体废物的处理有物理、化学和生物的多种方法，综合比较了各种方法后，本文提出应用包括化学和物理反应的水泥固化方法对含砷污泥进行处理。

A new process for treatment of high-sulphur and high-arsenic gold concentrate was studied, with included the roasting at lower temperature with the addition of alkali fusion agent and the cyanidation leaching with the addition of active additive.

摘 要：研究富硫高砷金精矿在加入碱熔剂经低温焙烧预处理后，再加活性添加剂条件下的氰化工艺，结果表明，金的氰化浸出率从直接氰化或沸腾炉焙烧后的焙砂氰化的30%～50%提高到87%～93%，浸出速度也有很大提高。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。