Methodology for the characterisation of heterogeneous fractions in wastewater

被引:22
作者
Vaillant, S [1 ]
Pouet, MF [1 ]
Thomas, O [1 ]
机构
[1] Ecole Mines Ales, Lab Genie Environm Ind, F-30319 Ales, France
关键词
wastewater; fractionation; colloids; particulate pollution; UV spectrophotometry; isosbestic point;
D O I
10.1016/S0039-9140(99)00200-3
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A better knowledge of colloidal and particulate matter of urban wastewater is necessary for the optimisation of the wastewater treatment. This paper presents a methodology based on the study of each granular fraction (settleable, supracolloidal, colloidal and soluble matter) separated by different techniques of liquid-solid separation and analysed by non specific parameters (chemical oxygen demand, total suspended solids, UV spectra). The application of this methodology to a storm event allows to explain the: quality variation observed during this period. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:729 / 736
页数:8
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