THERMAL DEWATERING - A VIABLE ALTERNATIVE

被引：0
|
作者：
HUDSON, MF
CHANEY, RL
机构：
来源：
PULP & PAPER-CANADA | 1992年 / 93卷 / 08期
关键词：
DRYING; SLUDGE; FIBER RECOVERING; DEINKING; OPERATIONS; EQUIPMENT; ECONOMICS; EFFLUENTS; POLLUTION CONTROL;
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：
The paper industry in the U.S. has made a public commitment to recover 40% of the country's waste paper for recycling by the end of 1995. This is an admirable goal, with a hidden disposal problem called sludge. Historical yields from de-inking processes are in the 80% range. How then does a 700-oven-dried-tonnes/day(odt/d)-newsprint de-inking mill process and dispose of some 140 odt/d of wet sludge? Convection type, thermal dewatering systems following mechanical thickening may hold the solution.
引用
收藏
页码：33 / 36
页数：4
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