کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7065887 | 1459876 | 2018 | 39 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Entrapped biomass for removal of organics and total nitrogen from anaerobic reactor effluents
ترجمه فارسی عنوان
بیوماس جذب شده برای حذف آلی و نیتروژن کل از پساب های رادیویی بی هوازی
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
چکیده انگلیسی
Anaerobic processes have been applied to treat low-strength domestic wastewaters with significant energy saving. However, anaerobic process effluents must be further removed of residual organics and total nitrogen before discharge. Reported here are an aerobic entrapped bio-technology (EBT) system and an EBT coupled with activated sludge (EBTâ¯+â¯AS) system being tested as a post-anaerobic treatment. Both systems have been operated under aerobic condition to provide organics and total nitrogen removal, achieving COD removal by 74-88% and TN removal by 58-65% at hydraulic retention times of 8-24â¯h. ÎCOD/ÎNO3 ratios that represent the carbon usage efficiency as electron donors for denitrification were 1.82-1.93 in the EBT and 2.01-2.02 in the EBTâ¯+â¯AS systems, with both ratios being lower (i.e. more efficient) than 6 typically required in traditional activated sludge bioreactors. Both systems demonstrate promise for polishing removal of COD and TN.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 267, November 2018, Pages 642-649
Journal: Bioresource Technology - Volume 267, November 2018, Pages 642-649
نویسندگان
Haon-Yao Chen, Kok Kwang Ng, Chien-Hsien Lee, Tzu-Yang Chen, Pui-Kwan Andy Hong, Ping-Yi Yang, Cheng-Fang Lin,