The extracting iron from pyrite cinder by reductive roasting and sulfuric acid leaching was investigated.
研究了高温还原焙烧、硫酸浸取提取硫铁矿烧渣中的铁。
Study is made on the process for recovering ni and co from the ni and co containing solution prepared from low grade manganese oxide ore by reductive roasting and sulfuric acid leaching.
研究了从低品位氧化锰矿经还原焙烧、硫酸浸出得到的含钴镍原料液中回收钴镍的工艺。
The roasting and leaching behavior of spodumene in sulphuric acid process was investigated.
采用硫酸法对锂辉石焙烧浸出工艺进行了研究。
The wet process consisted of roasting, sulfur acid pretreatment and chlorination leaching of gold is examined. The results show that gold leaching rate is 97.95% and silver leaching rate is 79.86%.
本研究采用焙烧-硫酸预处理-氯化湿法工艺从其中回收金，金浸出率为97.95%，银浸出率为79.86%，效果令人满意。
This article introduces the process of "acid leaching-roasting" to product top grade diatomite filter aid. The quality index of the made filter aid is superior to that used in Brewhouse.
前言：介绍了酸浸—焙烧法制取高档硅藻土助滤剂的工艺，运用该工艺所制取的硅藻土助滤剂的质量大大超过啤酒厂用助滤剂的要求。
The results of orthogonal experiment in sulphating roasting process showed that sulfuric acid consumption affected the leaching rate significantly, then temperature and time.
通过对酸化焙烧进行正交实验发现：硫酸用量为最重要影响因素，温度和时间次之。
The effects of acid to materials ratio, roasting temperature and time in low roasting action and high roasting action on the Ni and Co leaching were investigation, respectively.
重点探讨了酸料比，低温被烧段温度及时间，高温焙烧段温度及时间对镍钴浸出率的影响。
The technological processes of raw ore direct acid-leaching, raw ore salt roasting-water leching or acid leaching and raw ore salt roasting-acid pelletizing curing-acid leaching, etc.
原矿加盐焙烧水浸或酸浸；原矿加盐焙烧一拌酸制粒熟化酸浸等工艺过程。
The technological processes of raw ore direct acid-leaching, raw ore salt roasting-water leching or acid leaching and raw ore salt roasting-acid pelletizing curing-acid leaching, etc.
原矿加盐焙烧水浸或酸浸；原矿加盐焙烧一拌酸制粒熟化酸浸等工艺过程。
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