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author:

兰方青 (兰方青.) [1] | 旷戈 (旷戈.) [2] (Scholars:旷戈)

Indexed by:

CQVIP

Abstract:

实验研究了钾长石-萤石-硫酸-氟硅酸体系提钾工艺过程.结果表明,该体系下提钾优化工艺条件为:m(萤石):m(钾长石)=0.35:1,质量分数为60%的硫酸、10%的氟硅酸用量分别按,m(H2SO4):m(钾长石)=1.35:1、m(H2SiF6):m(钾长石)=0.162:1,反应温度为120℃、反应时间为3.5 h,在此条件下钾的提取率达到97.2%.考虑氟化学低温腐蚀钾长石氟元素后续的循环利用,可极大地降低钾长石矿物提钾的成本,因此本工艺具有很好的工业应用前景.

Keyword:

低温分解 氟硅酸 钾肥 钾长石

Community:

  • [ 1 ] [兰方青]福州大学
  • [ 2 ] [旷戈]福州大学

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Source :

化工生产与技术

ISSN: 1006-6829

CN: 33-1188/TQ

Year: 2011

Issue: 1

Volume: 18

Page: 19-21,28

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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