The oxide copper ore recovery processes including flotation,leaching,and segregation are reviewed.
通过对回收氧化铜矿的浮选法、浸出法、离析法进行综述,介绍了这些方法的现状及发展方向,做到经济合理地开发利用铜矿产资源。
Treatment of hazardous waste bearing Zn by alkaline leaching;
含锌危险废物碱法浸出处理研究
In this paper,the present state and shortages of multipurpose utilization of hazardous waste bearing Zn are outlined,and a new method for alkaline leaching of hazardous waste bearing Zn is put forward.
简述了针对含锌废渣综合利用工艺的现状和不足,提出含锌废渣碱法浸出的新方法,试验得到了较佳工艺:当氢氧化钠浓度为6mol/L、温度为90℃、浸出液固比为10:1时,锌浸出率达91。
In this paper, the present state and shortages of multipurpose utilization of hazardous waste bearing Zn are outlined, and a new method for alkaline leaching of hazardous waste bearing Zn is put forward.
简述了针对含锌废渣综合利用工艺的现状和不足,提出含锌废渣碱法浸出的新方法,试验得到了较佳工艺:当氢氧化钠浓度为6mol／L、温度为90％、浸出液固比为10:1时,锌浸出率达91。
Full pressing and supercritical carbondioxide extraction have alreadybeen applied for a small scale production, isopropyl alcohol extraction, enzymatic aqueous extraction is also investigat.
完全压榨法和超临界二氧化碳流体浸出法已在小规模生产中得以利用,异丙醇浸出、酶法浸出研究也在进展之中;但这些替代技术在大豆油、菜籽油等一般油脂大量生产中仍尚未实用化,为此,有必要进一步研究提高收率,降低生产成本。
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。
Comparison of applicabilities of two leaching tests to clinker powder;
2种浸出方法对水泥熟料的适用性比较
Investigation on the correlative factors affecting acid leaching rate of a uranium deposit ore
铀矿石酸法浸出率的影响因素分析
compound imbibition
(蔗渣)复式吸液浸出法
Thermodynamics of alumina leached by sulfuric acid process
硫酸浸出法提取氧化铝的热力学讨论
leach ion-exchange flotation process
浸出离子交换浮选法
Test method standard for leaching toxicity of solid wastes-- Horizontal vibration extraction procedure
GB5086.2-1997固体废物浸出毒性浸出方法水平振荡法
Test method standard for leaching toxicity of solid wastes--Roll over leaching procedure
GB5086.1-1997固体废物浸出毒性浸出方法翻转法
Study on Leaching Characteristics and Leaching Method of Toxic Compounds in Hazardous Waste;
危险废物中毒性组分浸出特性和浸出方法研究
The average content of water soluble extraction were 20.51% by cold dip and 36.6% by hot dip;
冷浸法和热浸法水溶性浸出物平均含量分别为20.51%和36.6%;
Study on Leaching Property of Lead Mud in Waste Lead-acid Batteries and Its Leaching Condition by Chloride Leaching;
废铅蓄电池中铅泥浸出特性及氯盐法浸出条件研究
Enzyme use in rapeseed direct extraction technology was studied.
对菜籽酶法直接浸出工艺进行了研究。
A porous pellet was fabricated by the well-known wash-out process.
用熟知的浸洗办法制出带孔的药丸。
Choice of leaching agent in acid agitation leaching of a uranium ore
某铀精矿酸法搅拌浸出氧化剂的选择
Continuous determination of zinc,lead and aluminum in alkaline zinc solution
碱法炼锌浸出液中锌、铅、铝的连续测定
The spectrophotometric determination of phosphorus in leaching solution of the black tungsten ore
分光光度法测定黑钨矿浸出液中的P
Compared with the conventional leaching, the acid consumption is reduced by 30%～40% in the activate heap process.
试验证明 ,活化堆浸比常规酸法浸出可省酸30 %～ 4 0 % ;
A number of conservation methods have been devised for waterlogged wood.
已研究出许多种保养被水浸泡过的木头的方法。
Iron Removal from Hot Acid Leaching Solution of Zinc Roasting Dust by Goethite Process
用针铁矿法从锌焙烧烟尘的热酸浸出液中除铁
STUDY ON ORE STACKING AFTER BLASTING FOR STOPE LEACHING URANIUM
某矿体原地爆破浸出采铀筑堆方法研究
Studies on Leaching Property of Cr(Ⅵ) in Chromium Residue and Acid-Dissolved Wet Detoxication of Chromium Residue;
铬渣中铬（Ⅵ）浸出特性及酸溶湿法解毒工艺研究