Invention Grant
- Patent Title: Process for the manufacture of sodium carbonate
- Patent Title (中): 制造碳酸钠的方法
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Application No.: US10556604Application Date: 2004-05-19
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Publication No.: US07682588B2Publication Date: 2010-03-23
- Inventor: Paul Demilie
- Applicant: Paul Demilie
- Applicant Address: BE Brussels
- Assignee: SOLVAY (Societe Anonyme)
- Current Assignee: SOLVAY (Societe Anonyme)
- Current Assignee Address: BE Brussels
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: FR0306362 20030521
- International Application: PCT/EP2004/050857 WO 20040519
- International Announcement: WO2004/103905 WO 20041202
- Main IPC: C01D7/12
- IPC: C01D7/12
Abstract:
Process for the manufacture of sodium carbonate crystals comprising: the addition of solid sodium carbonate (1) to an aqueous solution comprising sodium bicarbonate and sodium carbonate; the crystallization and the separation of sodium sesquicarbonate crystals; (B, C) the crystallization of sodium carbonate crystals, (E) the amount of sodium carbonate added being adjusted so that the crystallization of sesquicarbonate crystals can be carried out without preliminary evaporation of the aqueous suspension.
Public/Granted literature
- US20070050949A1 Process for the manufacture of sodium carbonate Public/Granted day:2007-03-08
Information query
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