This paper has studied the copper leaching with sulphuric acid from low grade copper oxide mineral.
介绍了低品位氧化铜矿制备硫酸铜的工艺研究。
The results show that the copper leaching recovery can increased by 10% or more by Using bacterium in leaching process.
结 果表明，添加细菌浸矿时，铜浸出率可提高10％以上。
The copper leaching resistance in the treated wood could be improved as the microwave power and treatment duration increased and also for the samples wrapped.
微波强度、后处理时间的增加和包膜处理是提高铜的抗流失性的有利因素。
The test result indicated that copper leaching rate related to the ammonia density, leaching cycle, temperature, liquid solid proposition, activator and so on.
试验结果表明，铜浸出率与氨浓度、浸出周期、温度、液固比、活化剂等因素有关。
Copper leaching was an important discovery in the history of metallurgy in China. 2000 years ago, our ancestor already knew the phenomenon of copper displacement by iron.
浸出法采铜是我国冶金史上一项重要发明创造。 2000年以前，在我国已经对铁置换铜有了认识。 10世纪后期用于生产。
Though the leaching bacteria can well adapt to the ore leaching environment, measures for strengthening the leaching should be taken due to the slow leaching speed and rate of copper.
尽管浸矿细菌能很好地适应浸矿环境，但铜的浸出速度偏慢、浸出率偏低，有待于采取强化浸出措施。
The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
It is effectively on accelerating leaching speed of copper sulfide and increasing leaching rate of copper that bacteria ACTS on low grade copper sulfide ore.
利用细菌的作用对低品位硫化铜矿石进行浸出，能有效地促进硫化铜矿物中铜的浸出，提高铜浸出率。
The column leaching experiments of the primary ore of copper sulfide with thermoacidophile, KY-2 strain, are conducted.
利用严格无机化能自养型嗜热嗜酸菌（KY-2菌株）对低品位原生硫化铜矿进行柱浸试验研究。
The leaching efficiency of copper smelter slag with high silicon is investigated in this study.
研究了一种高效的浸出高硅铜冶炉渣的方法。
A new technology of atmospheric activating ammonia leaching for extracting copper from Dongchuan's copper oxide ores has been advanced instead of pressure ammonia leaching.
提出采用常压活化氨浸处理我国东川铜矿低品位难选氧化铜矿取代加压氨浸的新工艺。
The results show that this method can attain thorough removal of copper and part removal of tellurium and selenium and the silver is still not leached in leaching process.
结果表明，该方法能达到铜的较完全脱除及碲、硒的部分脱除，银在浸出过程中基本没有损失。
Prelimary study is made of the leaching parameters of a copper mine tailing, and a new method for tailing leaching and copper recovery in the future is proposed.
本文简介了某铜矿山尾砂可浸性参数初步探索，为尾砂开发、回收铜金属提供了一条新的途径。
The pretreatment of silver concentrate with high arsenic, antimony and copper is followed by in-pulp electrolysis, the leaching rate of silver is over 95%.
富含砷、锑、铜的银精矿先经过预处理，再进行矿浆电解，银的浸出率达到95%以上。
Test results showed that use of ammoniacal solution pretreatment can effectively remove copper, and thus alleviating negative effect of copper on leaching of gold.
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。
To further improve the recovery of copper, leaching process should be used so that the existence of copper from silicate minerals could be recycled.
如欲进一步提高铜的回收率，必须采用浸出工艺将赋存在硅酸盐类矿物中的铜进行回收。
A quantitative relation between leaching recovery of gold and copper mineral content is achieved through regression analysis.
采用回归分析法得到了金浸出率与铜矿物含量之间的定量关系。
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.
为利用炼铜烟灰制取硫酸铜和硫酸锌，研究了浸取条件对铜、锌浸出率的影响。
After microcrack treatment, their leaching rate can be notably increased with decrease of the content of freely soluble copper and removal of flotation reagent on mineral surfaces.
这种金精粉经微爆处理后，由于组成矿物的特性发生了一系列的变化，加之脱除了残留在矿粒表面的浮选药剂，金的浸出率可得到大幅度的提高。
The technology conditions of iron removal have been discussed in acidic leaching liquid of dust from copper-smelting with the methods of the oxidization by oxygen and hydrogen peroxide.
研究了用氧气（或空气）和过氧化氢两步氧化法去除炼铜烟灰酸浸液中的铁。
A Prelimary study is made of the leaching parameters of a copper mine tailing, and a new method for tailing leaching and copper recovery in the future is proposed.
本文简介了某铜矿山尾砂可浸性参数初步探索，为尾砂开发、回收铜金属提供了一条新的途径。
The laboratory shaking leaching and column leaching tests on the ore from Shouwangfen Copper Mine were carried out.
针对寿王坟铜矿矿石进行了室内摇瓶浸出试验和柱浸试验。
The correlation between the particle size of oxidized copper ore and its metal extraction rate in heap leaching process was studied.
研究了在堆浸工艺中氧化铜矿石粒级大小与浸出率之间的相关性。
The pressure oxidative leaching of copper slag with high iron and silicon content was studied systematically.
对火法炼铅产高硅高铁含铜渣进行了氧压硫酸浸出过程研究。
Taking copper sulphide mineral as study objects, the studies of chalcopyrite heating and pressure pre-oxidation leaching process were conducted in acid system adding chloride.
以硫化铜矿物为研究对象，在添加氯盐的酸性体系中，开展了黄铜矿加温、加压预氧化浸出过程研究。
Therefore, tests were made on a Liaoning copper-containing gold concentrate, aiming at improving the gold leaching rate.
为此，对辽宁某含铜金精矿进行了旨在提高金浸出率的试验研究。
The technical features and worldwide application of direct extraction technology used for leaching of low-grade copper resources are introduced in this paper.
介绍了湿法浸出直接提取的技术特点，对湿法浸出直接提取技术在国内外的应用情况作了全面的介绍。
By investigating the process mineralogy, the occurrence states of copper in the ore were found out, thus the treatments of sulphidizing flotation and bacteria leaching of copper oxide ore were made.
工艺矿物学研究，查明了矿石中铜矿物的赋存状态，由此制定了氧化铜矿硫化浮选和细菌浸出两种处理工艺。
The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained.
试验条件下，钴、铜、铁浸出率均达到99%，且分离效果良好。
The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained.
试验条件下，钴、铜、铁浸出率均达到99%，且分离效果良好。
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