酸浸法

The experimental reseach of gold leaching of hot-press acid leaching residues by ammmoniacal cyanide process and the effects of various operation condition on gold extraction have been investigated in this paper.

对氨氰法浸取含铜热压酸浸渣进行了工艺试验研究，详细地考查了各操作条件对金银浸出率的影响。

The conditions of manufacture of phytin by ion-exchange resins are also studied,its extract rato is 88 %,but the content of suger and protein is lower,so it is more suitable for inositol preparing.

酸浸取碱中和菲丁提取率达90％～93％，离子交换法菲丁提取率稍低，为88％，但菲丁中糖类、蛋白质含量低，利于进一步制备肌醇。

Phytin was extracted with diluted hydrochloric acid, after precipitating the effluent and transforming the precipitate with sodium hydroxide, sodium phytate solution was produced.

采用化学沉淀法由菲汀制取植酸和植酸钠。菲汀经酸浸、沉淀、加碱使沉淀转化可制得植酸钠溶液。植酸钠溶液经减压浓缩、乙醇结晶可制得针状的植酸钠晶体，或经离子交换树脂酸化、浓缩可得浓度为70%的植酸

Pyrometallurgy and hydrometallurgy are introduced in this article,pyrometallurgy,ammoniacal leaching and high-pressured acid leaching has obvious disadvantage.Craft simply,energy consumption low,the operation easy to control,investment low are the merits of the constant-pressured acid leaching.It is belived that constant-pressured acid leaching w...

本文介绍的红土镍矿处理工艺有火法工艺和湿法工艺，其中火法工艺和湿法工艺中的氨浸法、高压酸浸法存在明显缺点，而常压酸浸法有工艺简单、能耗低、操作易于控制、投资少等优点，将会有很好的发展前景。

The effect of extraction had improved obviously, and he time also reduced to 1/6 of the quondam time. It saved much time andecreased the energy and pollution of technique process.

微波法相比于传统酸浸工艺大大节省了提取时间，降低了工艺过程中的能耗和污染。

Currently, the process of drying and pre-reducing by rotary kiln-electric furnace reducing smelting is still dominating for the exploration of nickel laterite.

现阶段回转窑干燥预还原－电炉还原熔炼工艺在红土镍矿的开发中仍占主导地位，加压酸浸法随着大型压力釜制造技术的成熟也越来越受到重视和应用。

The major methods involved in this paper are cyanidation,thiocarbamide process,thiocyanate process,thiosulfate process, multi-sulfide process,haloid process,and other reagents procss;the advantages and disadvantages of the methods as well as the suitability of these methods for treating various silver bearing ores are generally analyzed.

综述了国内外关于银浸出技术的各种方法，主要内容包括氰化法、硫脲法、硫氰酸盐法、硫代硫酸盐法、多硫化物法、卤化物法和其他试剂法等，简要分析了各种方法适用的含银矿石及其利弊。

The methods of extracting and refining tellurium presently were mainly soda roasting,autoclaving in general basic solution,sulfating roasting,oxidative leaching in acid solution, solvent extraction ,emulsion liquid membrane,microbial method,electrorefining,vacuum distillation and zone melting etc.

目前分离提纯碲的方法主要有苏打粉焙烧法、碱性高压浸出法、硫酸化焙烧法、氧化酸浸法、萃取法、液膜法、微生物法、电解精炼法、真空蒸馏法、区熔精炼法等，其中电解精炼法得到的碲的纯度达到99.99%，真空蒸馏碲的纯度达到99.999%，区熔精炼碲的纯度可达99.999995%，本文综述了以上分离提纯碲的方法。

Copper-bearing gold concentrates ; comprehensive recovery ; hydrometallurgy ; hot-pressure acid leaching ; extracting gold by cyanidation

铜金精矿；综合回收；湿法冶金；热压酸浸；氰化提金

The Iron content in the solution will be reduced toless than 0.01 g/L.- Copper-smelting smoke dust ; Copper sulfate ; Iron removing ; Technology

本研究采用通氧和过氧化氢两步氧化法除去炼铜烟灰酸浸液中的铁，具有除铁效率高，操作条件容易控制等优点。1 实验1 。1 实验仪器与药品3 0 %过氧化氢，1 7%浓氨

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。