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Inventor:

旷戈 (旷戈.) [1] (Scholars:旷戈) | 陈玉红 (陈玉红.) [2] | 汤军军 (汤军军.) [3] | 李付杰 (李付杰.) [4] | 刘瑜 (刘瑜.) [5] | 邢盛洲 (邢盛洲.) [6]

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incoPat

Abstract:

本发明公开了一种脱氟锂云母多级压力罐溶出提锂的方法,将脱氟锂云母矿粉、碱金属或者碱土金属的硫酸盐及添加剂与水按比例调浆,浆料经过预热器预热后用泵输送到多级升温压力罐中进行逐级升温至反应温度及压力,转入保温溶出罐中进行溶出反应,反应完成后经过多级减压自蒸发降温罐逐级减压降温并回收热量,并对浆料进行固液分离并洗涤,滤液通过浓缩、除杂,加入碳酸钠沉锂结晶过滤得到锂盐产品,沉锂母液循环至配料调浆或者经过析钠后回收硫酸钾、硫酸铷与硫酸铯。本发明方法与其他锂云母溶出提锂技术相比,多级压力罐反应器可实现过程能量的循环利用,成本低、能耗小,具有工业化应用前景。

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Patent Info :

Type: 发明授权

Patent No.: CN201711319924.8

Filing Date: 2017/12/12

Publication Date: 2019/9/13

Pub. No.: CN108002411B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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