CUSTOM DE-INKING OF NEWSPRINT

被引：0

作者：

JOSSINET, J

机构：

来源：

PULP & PAPER-CANADA | 1993年 / 94卷 / 03期

关键词：

DE-INKING; NEWSPRINT; MAGAZINE PAPERS; SURFACTANTS; DISPERSANTS; WASHING; EQUIPMENT; OPERATIONS; PARAMETERS;

D O I：

暂无

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

A non-solvent chemical approach has been developed to pulper de-ink old newsprint (ONP) and some magazine grades. A washing step is required, but the de-inking takes place at operating process temperatures and pH conditions. This eliminates disadvantages presented by conventional treatments. The treatment is applicable to secondary fibre mills as replacement for higher grade fibre or for partial replacement of virgin fibre in newsprint.

引用

页码：50 / 52

页数：3

共 50 条

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