Transport of solutions of cellulose through pipes

Details Transport of solutions of cellulose through pipes Transport of solutions of cellulose through pipes

D - Textiles, Paper

01

F

D01F 2/00 (2006.01) C08B 1/00 (2006.01) F15D 1/02 (2006.01)

Patent

CA 2163269

A method for transporting a solution of cellulose in aqueous N-methylmorpholine N-oxide through a pipe, the temperature in degrees centrigrade of said solution in the centre of said pipe being controlled at 1000/(X + 0.19 x?D) and/or the temperature of said solution at the interior wall of said pipe being controlled at 1000/(Y + 0.23 x ?D) where D represents the internal diameter of the pipe in millimetres, X represents a value equal to or greater than 5.0, and Y represents a value equal to or greater than 5.4.

L'invention concerne un procédé de transport d'une solution de cellulose dans un N-oxyde de N-méthylmorpholine aqueux dans un tuyau, la température en degrés centigrades de cette solution se trouvant au centre du tuyau étant régulée à 1000/(X + 0,19 x 2ROOT D) et/ou la température de cette solution au niveau de la paroi intérieure de ce tuyau étant régulée à 1000/(Y + 0,23 x 2ROOT D), D représentant le diamètre interne du tuyau en millimètres, X représentant une valeur égale ou supérieure à 5, et Y représentant une valeur égale ou supérieure à 5,4.

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