EP 0014753 B1 19821215 - PROCESS FOR IMPROVING THE COLOUR AND FOR THE DEODORISATION OF SULPHATE PULP
Title (en)
PROCESS FOR IMPROVING THE COLOUR AND FOR THE DEODORISATION OF SULPHATE PULP
Publication
Application
Priority
DE 2905936 A 19790216
Abstract (en)
[origin: EP0014753A1] 1. A process for lightening and deodorizing kraft or sulphate pulp, characterized in that from 0.05 to 3 % by weight, based on completely dry pulp, of a peroxide (based on 100 % peroxide) are added after sulphate cooking during pulp preparation in the region of the diffusion wash using residual alkalinity of the pulp suspension which is still present in the pulp as a result of the alkaline cooking.
IPC 1-7
IPC 8 full level
D21C 9/16 (2006.01)
CPC (source: EP)
D21C 9/163 (2013.01)
Citation (examination)
Tappi, vol. 43, Nr. 10, October 1960, Seiten 806-813
Designated contracting state (EPC)
AT BE DE FR SE
DOCDB simple family (publication)
EP 0014753 A1 19800903; EP 0014753 B1 19821215; AT E2019 T1 19821215; CA 1129157 A 19820810; DE 2905936 B1 19800430; DE 2964319 D1 19830120; FI 68684 B 19850628; FI 68684 C 19851010; FI 793720 A 19800817; NO 793959 L 19800819
DOCDB simple family (application)
EP 79104899 A 19791204; AT 79104899 T 19791204; CA 345493 A 19800213; DE 2905936 A 19790216; DE 2964319 T 19791204; FI 793720 A 19791127; NO 793959 A 19791205