SAETT VID TILLVERKNING AV MEKANISK CELLULOSAMASSA.
摘要
The invention relates to a method of manufacturing cellulose pulp free of resin in a closed system. The resin is dispersed in a refiner step and in a subsequent alkaline bleaching step and is washed-out in a counterflow-process with a washing effect of at least 70% and successively decreasing ion strength.
申请公布号
FI73016(C)
申请公布日期
1987.08.10
申请号
FI19810001096
申请日期
1981.04.09
申请人
SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG,
发明人
ANDERSSON,PER-ERIK;ANNERGREN,GOERAN ERIK;HAEGGLUND,TJELL-AAKE;HOEGLUND,HANS ERIK
