IDE PULPING THE DEPOLYMERIZATION STAGE

Authors
ROBERTSEN L LONNBERG B EBELING K HENRICSON K LAXEN T
Citation
L. Robertsen et al., IDE PULPING THE DEPOLYMERIZATION STAGE, Paperi ja puu, 78(5), 1996, pp. 271
Citations number
3
Categorie Soggetti
Materials Science, Paper & Wood
Journal title
Paperi ja puu → ACNP
ISSN journal
00311243
Volume
78
Issue
5
Year of publication
1996
Database
ISI
SICI code
0031-1243(1996)78:5<271:IPTDS>2.0.ZU;2-V
Abstract
This paper discusses the effect of impregnation conditions on the resu lts of IDE pulping. The influence of the following factors in the impr egnation stage was studied: a) NaOH concentrations 0.75 and 1.00 mol/l , b) impregnation time 3 and 4 hours, and c) impregnation temperature 80 and 100 degrees C. The Na2CO3 concentration in the impregnation liq uor was varied between 0 and 0.5 mol/l. The study shows that lowering the Na2CO3 concentration results in pulp with a higher chlorine number .