发明名称 |
Process for producing sodium salts |
摘要 |
A process for producing sodium salts, which comprises adding solid sodium carbonate to a first aqueous solution containing sodium carbonate and sodium hydrogencarbonate, to prepare a second aqueous solution, precipitating, separating and recovering from the second aqueous solution sodium sesquicarbonate crystals containing at least 50 mol % of the sodium hydrogencarbonate component contained in the second aqueous solution, and further recovering sodium carbonate from a mother liquor remaining after separating the sodium sesquicarbonate crystals from the second aqueous solution.
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申请公布号 |
US6207123(B1) |
申请公布日期 |
2001.03.27 |
申请号 |
US19990256212 |
申请日期 |
1999.02.24 |
申请人 |
ASAHI GLASS COMPANY, LTD. |
发明人 |
TANAKA KUNIO;KIKUCHI SHINTARO |
分类号 |
C01D7/12;C01D7/14;C01D7/35;(IPC1-7):C01D7/00 |
主分类号 |
C01D7/12 |
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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