发明名称 |
Process for producing anhydrous sodium carbonate crystal |
摘要 |
An anhydrous sodium carbonate crystal is produced by crystallizing a sodium carbonate hydrate crystal from an aqueous solution of sodium carbonate in a sodium carbonate hydrate crystallizing zone and transforming said sodium carbonate hydrate to an anhydrous sodium carbonate crystal in the presence of a crystal habit modifier in an anhydrous sodium carbonate crystallizing zone and recycling a separated mother liquor into said sodium carbonate hydrate crystallizing zone.
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申请公布号 |
US4406869(A) |
申请公布日期 |
1983.09.27 |
申请号 |
US19810226168 |
申请日期 |
1981.01.19 |
申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
NAKAYA, KEIICHI;KAWANAMI, KOHJI;HIRATA, SUEKAZU |
分类号 |
C01D7/37;C01D7/24;C01D7/35;(IPC1-7):C01D15/08;B01D1/00 |
主分类号 |
C01D7/37 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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