Treatment of dairy wastewater by ozone and biological process

被引：0
|
作者：
Krzeminska, D. [1 ]
Neczaj, E. [1 ]
机构：
[1] Czestochowa Tech Univ, Inst Environm Engn, Czestochowa, Poland
来源：
ENVIRONMENTAL ENGINEERING IV | 2013年
关键词：
Sequencing batch reactor (SBR); ozonation process; dairy wastewater; advanced oxidation processes; SEQUENCING BATCH REACTOR; ADVANCED OXIDATION PROCESSES; LANDFILL LEACHATE; SBR; TECHNOLOGY; OZONATION; REMOVAL; SYSTEM; DYE; SET;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The present study was aimed to treat the dairy wastewater by ozonation process and an aerobic sequencing batch reactor. The first part of this study examined the effect of operating conditions on ozonation pretreatment of dairy wastewater. The effectiveness of the AOP pretreatment was assessed by evaluating wastewater biodegradability enhancement (BOD5/COD), as well as monitoring major pollutant concentrations (COD) with reaction time. The optimum time and ozone concentration was found to be 5 and 11,1 mg/L/h, respectively. In a single biological treatment the average removal efficiencies of COD, and BOD5 were 70%, and 91%, respectively. Integration of ozonation and biological treatment resulted in 92% removal of COD and 97% BOD5 from the dairy wastewater. The results indicated that the combined process would be a promising alternative for the treatment of dairy wastewater.
引用
收藏
页码：103 / 110
页数：8
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