Comlexing agents in waste water effluents of six Finnish pulp and paper mills

被引：50
|
作者：
Sillanpaa, M
机构：
[1] Lab. of Inorg. and Analyt. Chemistry, Helsinki University of Technology
来源：
CHEMOSPHERE | 1996年 / 33卷 / 02期
关键词：
pulp and paper mills; waste waters; complexing agents; EDTA; DTPA;
D O I：
10.1016/0045-6535(96)00172-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The gas chromatographic (GC) and the liquid chromatographic (HPLC) methods were applied to the determination of the ethylenediaminetetraacetic acid (EDTA) and the diethylenetriaminepentaacetic acid (DTPA) in waste water effluents of pulp and paper mills. The waste waters of-the six pulp and paper mills of different bleaching sequences were investigated. In the effluents EDTA and DTPA were found at the concentrations ranging between 0.24-8.4 mg/l and 0.51-9.2 mg/l, respectively. Preliminary results of the reduction of EDTA (17-30%) and DTPA (54-68%) in waste water treatment plants are also presented. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码：293 / 302
页数：10
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