1) ammonia leaching
氨浸出
2) ammonia-cyanide leaching
氨氰浸出
1.
Investigations on increasing recovery of gold for a gold ore containing silver,lead and copper by using ammonia-cyanide leaching,some methods enhancing leach gold and the adsorption process combining CIP with a activated carbon column were conducted .
应用氨氰浸出,采取综合强化浸出措施,采用炭浆法和炭柱法相结合吸附流程,使含银铅铜难浸金矿石金的回收率达到85 %以上。
3) ammonia leaching solution
氨浸出液
4) ammonia leaching
氨性浸出
1.
We choose ammonia leaching by analyzing the smelting offal,and get its optimal conditions by the orthogonal experimentation with four factors and three levels like that,the amount of lime and ammonium bicarbonate was 5% and 30%;the ratio of solid to liquid and leaching time were 1∶4 and 36 h,respectively.
主要研究了冶炼废渣中铜、锌的浸出,通过对废渣成分的分析选择了氨性浸出,首先通过四因素三水平的正交试验得到了氨性浸出的优化条件:石灰用量5%,碳酸氢铵用量30%,固液质量比为1∶4,浸出时间为36h,铜、锌的浸出率分别为58。
5) ammoniacal leach liquor
氨浸出液[冶]
6) reducing roasting ammoniacal leaching
还原焙烧-氨浸出
补充资料：氨浸出
氨浸出
ammonia leaching
o「、J Inehu氨浸出(ammonia leaehing)J下J含氨的水溶液作为浸出剂的浸出方法。氨是·种配位体，能与某些金属离子形成配合物(络合物)进入溶液。浸出过程一般通入氧作为氧化剂，氧化被浸出固体物料中的有价组分。氨浸出可在常压或加压下进行。含自然铜、氧化铜或碳酸铜的矿石，可在常压下浸出;而含铜、镍、钻、锌等硫化物精矿，则采用加压氧氨浸出，浸出温度通常为358一373K，氧气压力为0.7一1.4MPa。浸出液经蒸馏除去的氨，可用水吸收后循环使用。氨浸出的优点是能处理含铁高和含碱性脉石的矿物原料，设备的防腐问题容易解决。由于氨具有挥发性，氨浸出需要在密闭反应器内进行。
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参考词条