A LABORATORY ASSESSMENT OF THE ENVIRONMENTAL-QUALITY OF ALTERNATIVE PULP BLEACHING EFFLUENTS

被引:0
|
作者
OCONNOR, BI
KOVACS, TG
VOSS, RH
MARTEL, PH
VANLIEROP, B
机构
关键词
BLEACHING EFFLUENTS; ADSORBABLE ORGANIC HALOGEN; CHLORINE FREE BLEACHING; TOXICITY; CHEMICAL ANALYSIS; CHLORINE COMPOUNDS; BIBLIOGRAPHIES;
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 relative environmental quality of laboratory prepared spent bleaching effluents from various bleaching technologies was evaluated. The effects of the various effluents on Ceriodaphnia reproduction followed the order: OZEP > OQP > (C90 + d10) E almost-equal-to (D50c50)E > D100E > OD100E, while the effects on fathead minnow growth could be ranked as follows: (C90 + d10)E almost-equal-to (D50c50) E almost-equal-to D100E > OZEP > OQP > OD100E. For the chronic sublethal effects studied, whether the bleaching was performed with chlorine-containing compounds or under totally chlorine free conditions, the least toxic effluent on a consistent basis was that bleached with the OD100E sequence.
引用
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页码:47 / 56
页数:10
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