Lithium and Its Recovery from Low-Grade Nevada Clays

机译：锂及其从低品位内华达州粘土中的回收

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Processes were investigated for recovering a marketable lithium product from the montmorillonite-type clays of the McDermitt caldera. Limestone-gypsum roasting and selective chlorination proved most successful for extracting lithium from the clays; 80-pct Li recovery was achieved using either technique. With both processes, lithium silicate in the clay was converted to a water-soluble compound--either lithium sulfate or lithium chloride. The lithium was then recovered as a carbonate by water leaching the calcine, concentrating the leach solution by evaporation, and precipitating the lithium with soda ash.

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作者
Crocker, L. ; Lien, R. H.;
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年度 1987
页码 1-46
总页数 46
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Materials recovery; Lithium; Clays; Mining engineering; Roasting; Chlorination; Leaching; Limestone; Gypsum; Alkali metals;

机译：材料回收;锂;粘土;采矿工程;焙烧;氯化;浸出;石灰石;石膏;碱金属;

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8. Recovery of Lithium from Low-Grade Ores [R] . Davidson, C. F. 1980

机译：从低品位矿石中回收锂

Lithium and Its Recovery from Low-Grade Nevada Clays

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