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Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment
المؤلفون المشاركون
المصدر
International Journal of Photoenergy
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-6، 6ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-10-16
دولة النشر
مصر
عدد الصفحات
6
التخصصات الرئيسية
الملخص EN
To enhance the biodegradability of residual organic pollutants in secondary effluent of wastewater treatment plants, UV photolysis and ozonation were used in combination as pretreatment before a biological aerating filter (BAF).
The results indicated that UV photolysis could not remove much COD (chemical oxygen demand), and the performance of ozonation was better than the former.
With UV photolysis combined with ozonation (UV/O3), COD removal was much higher than the sum of that with UV photolysis and ozonation alone, which indicated that UV photolysis could efficiently promote COD removal during ozonation.
This pretreatment also improved molecular weight distribution (MWD) and biodegradability greatly.
Proportion of organic compounds with molecular weight (MW) <3 kDalton was increased from 51.9% to 85.9%.
COD removal rates with BAF and O3/BAF were only about 25% and 38%, respectively.
When UV/O3 oxidation was combined with BAF, the average COD removal rate reached above 61%, which was about 2.5 times of that with BAF alone.
With influent COD ranging from 65 to 84 mg/L, the effluent COD was stably in the scope of 23–31 mg/L.
The combination of UV/O3 oxidation with BAF was quite efficient in organic pollutants removal for tertiary wastewater treatment.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Jing, Zhaoqian& Cao, Shiwei. 2012. Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment. International Journal of Photoenergy،Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-448962
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Jing, Zhaoqian& Cao, Shiwei. Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment. International Journal of Photoenergy No. 2012 (2012), pp.1-6.
https://search.emarefa.net/detail/BIM-448962
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Jing, Zhaoqian& Cao, Shiwei. Combined Application of UV Photolysis and Ozonation with Biological Aerating Filter in Tertiary Wastewater Treatment. International Journal of Photoenergy. 2012. Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-448962
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-448962
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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