- 专利标题： Process for producing high grade hydromagnesite and magnesium oxide
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申请号： US15126188申请日： 2015-04-10
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公开(公告)号： US10364157B2公开(公告)日： 2019-07-30
- 发明人: Robin Phinney , Jonathon Phinney , Siu Ma
- 申请人： Karnalyte Resources Inc.
- 申请人地址： CA Saskatoon, Saskatchewan
- 专利权人： Karnalyte Resources Inc.
- 当前专利权人： Karnalyte Resources Inc.
- 当前专利权人地址： CA Saskatoon, Saskatchewan
- 代理机构： Larkin Hoffman Daly & Lindgren, Ltd.
- 代理商 Craig J. Lervick
- 国际申请： PCT/CA2015/050298 WO 20150410
- 国际公布： WO2015/154194 WO 20151015
- 主分类号： C01F5/06
- IPC分类号： C01F5/06 ; C01F11/46 ; C01F5/24 ; C04B2/10
摘要：
The present invention provides a process for producing high purity hydromagnesite from a source of magnesium chloride. The process involves preparation of a magnesium chloride brine of a specific concentration and reacting with sodium carbonate, while maintaining the reaction at a specific temperature range to form a hydromagnesite precipitate. The product can be calcined to generate high purity magnesium oxide compounds.
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