OBTAINING Li2CO3 FROM ZINNWALDITE WASTESKeywords: Zinnwaldite; Gypsum method; H2O leaching; Li2CO3 . The extraction process of lithium, so-called gypsum method consisted of sintering the.gypsum method lithium extraction,Recovery of Lithium From a Montmorillonite-Type Clay - CDC StacksEffect of charge composition and roast temperature on lithium extraction under dynamic conditions .....•.•. .. roasting a pelletized mixture of clay, line, and gypsum at 900 0. C . methods for extracting lithium from the. McDermitt clay.
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