C - Chemistry – Metallurgy – 01 – D
Patent
C - Chemistry, Metallurgy
01
D
23/100, 23/386
C01D 5/14 (2006.01) C01B 17/66 (2006.01)
Patent
CA 1340248
An improved high yield process and apparatus for producing sodium hydrosulfite by reacting sodium borohydride, sulfur dioxide, sodium hydroxide, and sodium bisulfite is provided. The improved result of the invention is obtained by a feed system that requires the introduction of a mixture comprising sodium borohydride, sodium hydroxide, and water prior to the introduction of a mixture comprising water and sulfur dioxide.
611385
Ko Jeremy
Levis Steven H.
Munroe David C.
Gowling Lafleur Henderson Llp
Morton International Inc.
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