Process for the comminution of materials

Details Process for the comminution of materials Process for the comminution of materials

D - Textiles, Paper

21

B

92/34, 8/78, 92/

D21B 1/04 (2006.01) B02C 23/34 (2006.01) D21B 1/16 (2006.01) D21C 9/10 (2006.01) D21C 9/153 (2006.01) D21D 1/30 (2006.01)

Patent

CA 2022760

The invention relates to a process for treating high consistency fibrous materials. The fibrous material, a reaction agent and a carrier gas are contacted in a comminuting zone under a closed system, to separate the fibrous material into smaller segments and react the material with the reaction agent. The segmented fibrous material, reaction agent and carrier gas are passed to a reaction zone for further reaction between the segmented fibrous material and the reaction agent. The process includes separating the reaction agent in a liquid phase from the carrier gas to produce a remaining gaseous fraction including vapors of the reaction agent, separating the gaseous fraction of the reaction agent and the carrier gas from the reaction zone, and recycling the gaseous fraction to the comminuting zone for further reaction. The reacted, segmented fibrous material then is discharged from the reaction zone.

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