1) low-grade manganese carbonate ore
低品位碳酸锰矿
1.
A method of enriching and recovering Mn from low-grade manganese carbonate ore with ammonium sulfate roasting method is investigated.
研究了采用硫酸铵焙烧法从低品位碳酸锰矿富集回收锰的工艺。
2) low-grade manganese ore
低品位锰矿
1.
Lab-scale simultaneous acid pressure leaching of sphalerite concentrate and silver-bearing low-grade manganese ore was performed under various conditions to investigate leaching variables,such as leaching temperature,leaching duration,oxygen partial pressure and stirring rate.
进行了硫化锌和含银低品位锰矿联合氧压酸浸的小型试验,以考察影响浸出的各种因素,诸如浸出温度、浸出时间、氧分压和搅拌速度。
4) low-grade pyrolusite
低品位软锰矿
1.
Based of research somewhere low-grade pyrolusite by chemical leaching,ways for reasonably developing and utilizing the manganese mineral resources are discussed.
文章通过对某地低品位软锰矿的试验研究 ,采用直接浸出工艺流程 ,可获得较好技术指标的硫酸锰产品 ,为同类型锰矿的开发利用进行了有益探索。
5) low grade rhodochrosite
低品位菱锰矿
1.
This paper describes the Mn production and puts forward a new method to mine low grade rhodochrosite using solving and soaking.
概述了锰矿的生产现状 ,提出了原地溶浸开采低品位菱锰矿新方法 ,给出了菱锰矿溶浸实验结
6) Low-grade manganese-silver ore
低品位锰银矿
补充资料：高纯碳酸锰
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