The effect of dissolved substances on the adsorption of colloidal extractives to fines in mechanical pulp

被引：19

作者：

Mosbye, J ^{[1
]}

Laine, J

Moe, S

机构：

[1] PFI, Trondheim, Norway

[2] NTNU, Trondheim, Norway

来源：

NORDIC PULP & PAPER RESEARCH JOURNAL | 2003年 / 18卷 / 01期

关键词：

fines; mechanical pulp; adsorption; colloidal extractives; colloidal stability; dissolved substances;

D O I：

10.3183/npprj-2003-18-01-p063-068

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：

Model colloidal extractives, dissolved substances and fines from mechanical pulp and salt (NaCl) was mixed and the adsorption of the colloidal extractives was measured. The results show that colloidal extractives are adsorbed to fines at low pH values or high salt concentrations, and that flake-like fines and ray cells adsorb the colloidal extractives more effectively than the fibrillar fines. The effect of dissolved substances has been measured and discussed. The surface composition of the fines has also been measured in order to explain the differences in adsorption ability.

引用

页码：63 / 68

页数：6

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