TREATMENT OF WASTEWATERS FROM DYE INDUSTRY

被引：38
|
作者：
KOPRIVANAC, N
BOSANAC, G
GRABARIC, Z
PAPIC, S
机构：
[1] University of Zagreb, Zagreb, 41000
来源：
ENVIRONMENTAL TECHNOLOGY | 1993年 / 14卷 / 04期
关键词：
DYE WASTE-WATER; PRECIPITATION FLOCCULATION; FLOCCULATION AGENTS;
D O I：
10.1080/09593339309385304
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The characteristics of a coagulation process for the removal of colour from the organic dye industry wastewaters by inorganic coagulant or polymeric flocculant has been studied. Flocculation/precipitation was carried out using three coagulation agents to wastewater samples: FeCl3.6H2O, Levafloc R and Colfloc 3915. The optimum pH range for decolourization with polymeric flocculants was found to be between 6 and 7 while with inorganic coagulant it was between 2.5 and 4. Acceptable efficiency of wastewater decolourization, low total organic carbon (TOC) and chemical oxygen demand (COD) were obtained with 0.1 M solution of Fe(III) as an inorganic flocculant. The addition of 1% of volume fraction of liquid Levafloc R and Colfloc 3915 removed the colour almost completely.
引用
收藏
页码：385 / 390
页数：6
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