C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
23/382.2, 260/21
C08B 5/06 (2006.01) B01J 19/18 (2006.01) C08B 5/02 (2006.01) C08B 17/04 (2006.01)
Patent
CA 1105010
A B S T R A C T In a continuous process for the nitration of cellu- lose, a slurry of cellulose in nitrating liquor is injected under pressure into a primary nitration reactor by means of an injection pump, the reactor comprising a loop of tubing, the slurry is circulated in the loop by means of a circulation pump at a rate which is greater than the loop by means of a circulation pump at a rate which is greater than the rate of injection in order to ensure that the slurry is vigorously agitated, the slurry is optionally transferred, successively, from the primary loop to one or more secondary nitration reactors, each of which also comprises a loop of tubing equipped with a circulation pump, and the slurry is withdrawn from the final loop and the nitro- cellulose is recovered.
299822
Favrot Remy
Maures Michel
Mengelle Andre
Pollozec Francois
Royer Gontran
Goudreau Gage & Associates
Societe Nationale Des Poudres Et Explosifs
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