碘化浸金是一种新的非氰化浸金方法。
Leaching of gold is a nwe method for non-cyanidation leaching gold.
在最佳浸出条件下,其氰化浸金率可达到97%以上。
Under the optimum leaching conditions, a leaching rate of gold could be over 97%.
本研究为重金属离子强化氰化浸金提供了理论依据和技术基础。
This research has offered the theoretical and technological foundation for the application of heavy metal ions in strengthen gold cyanidation.
本文对某含多金属硫化物型金精矿氰化浸金工艺进行了系统研究。
In this PaPer, the gold leaching from complex sulfide-bearing gold concentrate by cyanide process was studied systematically.
混合浮选产出锌、金混合精矿,氰化浸金,氰化渣作为锌精矿销售。
The bulk concentrate is produced by bulk floatation, from which the gold is recovered by cyanide leaching, and the residue is directly sold as zinc concentrate.
多硫化物溶液是一种非氰化浸金体系,其中的有效成份是多硫根离子。
The polysulfide solution is one of non cyanidation systems of gold leaching in which polysulfide ions are the main effective components.
结果表明:采用含氨溶液预处理除铜,有效地排除了铜对氰化浸金的影响。
Test results showed that use of ammoniacal solution pretreatment can effectively remove copper, and thus alleviating negative effect of copper on leaching of gold.
对原矿直接氰化浸金进行探索,结果表明,金的浸出率仅为80.41%。
Researches results on the direct cyanide gold leaching method showed that the gold leaching rate was only 80.41%.
由N235与路易斯碱三辛基氧膦(TOPO)组成协同萃取体系,对碱性氰化浸金贵液中金(I)协同萃取和反萃进行了研究。
This paper aims to extraction and stripping of gold(I) from alkaline cyanide leaching solution by the N235-TOPO co-extraction system.
依据矿物学特性,提出了“原矿浮选—精矿氧化焙烧— 氰化浸金—活性炭吸附金”的选冶联合工艺流程,金选冶总回收率达83.91%。
Based on the properties, a combined flowsheet of flotation-roasting in air -cyanidation-active carbon absorption was developed. The overall recovery of Au is of 83. 91%.
依据对氰化浸出矿浆的电化学分析,对氰化浸金进行了外加电场助浸试验。试验结果表明:外加电场有助于金在氰化矿浆中的浸出,能够提高金的浸出率。
Based on electrochemical analysis of cyanide leaching pulp, the experiment of applied electric field leaching aid for cyanide leaching of gold was made.
采用“高效浸金反应器”研究了加压氧化-氰化法提金新工艺。
Pressurizing oxidation cyanidation was studied by using " quick gold extracting reaction container ".
介绍了难浸金矿石堆式细菌氧化—氰化炭浸提金的基本试验方法和结果。
The method and result of leaching of gold ore heap bio oxidation cyanidation CIL process was introduced.
本文论述了氰化炭浸法提金工艺应用于吉林市金矿浮选含金流精矿的生产工艺过程、作业条件和实践经验。
This paper discussed the technology, operation conditions and practical experience of CIL process used in the floatation of gold-bearing sulphide concentrates in the Jilin gold Mine.
研究结果表明,采用助浸提金工艺,可改善浸出环境,提高金的浸出率,降低氰化物用量,缩短氰化浸出时间。
The study results show that using the gold extraction technology can improve leaching environment, increase gold leaching rate, decrease cyanide consumption, and shorten cyaniding leaching time.
难浸金矿的细菌浸出预处理是提高其金氰化浸出率的有效技术,也是解决这类矿物处理过程带来的环境负效应的有力措施。
The bioleaching of arsenic-bearing refractory gold ores offers an effective pretreatment technology, which is an environmentally friendly process and able to improve the gold recovery.
推导硫氰酸盐体系浸金的热力学判据,从热力学角度分析和讨论氧化剂参与下硫氰酸盐浸金的反应过程,比较硫氰酸盐、硫代硫酸盐、硫脲和氰化物浸金的热力学判据和相关参数。
The thermodynamic criterion of the gold leaching with thiocyanate is deduced, the gold leaching reaction with thiocyanate in the presence of oxidant is thermodynamically analyzed and discussed.
某金矿采用堆浸工艺,金的浸出率一直较低,改用全泥氰化浸出工艺进行试验,金的浸出率也没有明显的提高。
A gold mine adopted a heap leaching process but the gold leaching rate had been low. No evident improvement was made when a full-ore cyaniding leading process was tested.
试验结果表明,制粒—氰化预处理—堆浸可改善含粘土质矿的渗透性、提高金的浸出率、加强浸出速度、缩短浸出周期、降低成本及改善环境条件。
The results show that this new process can enhance the gold leaching rate from the clay-containing ore, increase the leaching speed, shorten operational cycle, cut production costs and…
试验结果表明,制粒—氰化预处理—堆浸可改善含粘土质矿的渗透性、提高金的浸出率、加强浸出速度、缩短浸出周期、降低成本及改善环境条件。
The results show that this new process can enhance the gold leaching rate from the clay-containing ore, increase the leaching speed, shorten operational cycle, cut production costs and…
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