Integration of Ozonation and Biological Treatment of Industrial Wastewater From Dyehouse

被引:37
|
作者
Ledakowicz, Stanislaw [1 ]
Zylla, Renata [2 ]
Pazdzior, Katarzyna [1 ]
Wrebiak, Julita [1 ]
Sojka-Ledakowicz, Jadwiga [2 ]
机构
[1] Lodz Univ Technol, Dept Proc & Environm Engn, PL-90924 Lodz, Poland
[2] Text Res Inst, PL-92103 Lodz, Poland
关键词
Ozone; Biodegradation; Textile Wastewater; Toxicity; Water Recycle; P-COUMARIC ACID; OXIDATION PROCESSES; AQUEOUS-SOLUTION; ACUTE TOXICITY; COD FRACTIONS; TEXTILE; OZONE; DEGRADATION; DYE; DECOLORIZATION;
D O I
10.1080/01919512.2017.1321980
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The aim of the research was to improve the treatment technology of wastewater from dyehouse using ozonation and biological processes. The various combinations of the processes were examined. Ozonation was performed in two reactors of working volume 1 dm(3) (stirred cell) and 20 dm(3) (bubble column), while biodegradation was conducted in sequence batch reactors (SBR 1.5 dm(3)) and horizontal continuous flow bioreactor (HCFB, 12 dm(3)). The highest removal of organic carbon content (COD-72%, TOC-78%) was obtained in the 3-steps experiment: biodegradation plus ozonation plus biodegradation, however, for economic reasons a sequence: biological treatment plus ozonation was selected as the mostly advisable one. The developed method allows closing of process water in the textile factories.
引用
收藏
页码:357 / 365
页数:9
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