کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7479217 | 1485230 | 2016 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Energy-positive food wastewater treatment using an anaerobic membrane bioreactor (AnMBR)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
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چکیده انگلیسی
An immersed-membrane anaerobic membrane bioreactor (AnMBR) achieved 88-95% of COD removal for meat-processing wastewater at organic loading rate (OLR) of 0.4-3.2 kgCOD mâ3 dâ1. Membrane flux was stable for low OLR (0.4 and 1.3 kgCOD mâ3 dâ1), but irrecoverable fouling occurred at high OLR of 3.2 kgCOD mâ3 dâ1. Methane gas yield of 0.13-0.18 LCH4 gâ1CODremoved was obtained, which accounted for 33-38% of input COD, the most significant electron sink. Dissolved methane was only 3.4-11% of input COD and consistently over-saturated at all OLR conditions. The least accumulation of dissolved methane (25 mg Lâ1 and saturation index 1.3) was found for the highest OLR of 3.2 kgCOD mâ3 dâ1 where biogas production rate was the highest. Energy balances showed that AnMBR produced net energy benefit of 0.16-1.82 kWh mâ3, indicating the possibility of energy-positive food wastewater treatment using AnMBRs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Management - Volume 182, 1 November 2016, Pages 477-485
Journal: Journal of Environmental Management - Volume 182, 1 November 2016, Pages 477-485
نویسندگان
Mohamed Galib, Elsayed Elbeshbishy, Robertson Reid, Abid Hussain, Hyung-Sool Lee,