C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/19
C01B 15/00 (2006.01) C01B 15/10 (2006.01)
Patent
CA 1070085
TITLE: PROCESS FOR DRYING SODIUM CARBONATE PEROXIDE ABSTRACT: Manufacturing dry, free-flowing crystalline sodium carbonate peroxide by passing a gas stream at a tempera- ture between 70° and 150°C into a drying zone containing moist sodium carbonate peroxide while maintaining the exit gas stream temperature between 50° and 130°C until the sodium carbonate contains between 0.05% and 0.5% by weight moisture, immediately passing the dried material into a cooling zone where the sodium carbonate peroxide temperature is lowered to between 0° and 40°C, and removing a dry, free-flowing, crystalline sodium carbonate peroxide product containing between 0.001 and 0.20% by weight moisture.
256867
Bhalla Sushil K.
Mohr Richard A.
Zeh Peter H.
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