کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6353904 | 1622642 | 2015 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Anaerobic digestion of paunch in a CSTR for renewable energy production and nutrient mineralization
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Anaerobic digestion of paunch in a CSTR for renewable energy production and nutrient mineralization Anaerobic digestion of paunch in a CSTR for renewable energy production and nutrient mineralization](/preview/png/6353904.png)
چکیده انگلیسی
A laboratory study investigated the anaerobic digestion of paunch in a continuous stirred tank reactor (CSTR) for the recovery of biogas and mineralization of nutrients. At an organic loading rate (OLR) of 2.8 g VS Lâ1 dayâ1 with a 30-day hydraulic retention time (HRT), a CH4 yield of 0.213 L gâ1 VS and CH4 production rate of 0.600 L Lâ1 dayâ1 were obtained. Post-anaerobic digestion of the effluent from the CSTR for 30 days at 40 °C recovered 0.067 L gâ1 VS as CH4, which was 21% of the batch CH4 potential. Post-digestion of the effluent from the digestate obtained at this OLR is needed to meet the stable effluent criteria. Furthermore, low levels of soluble ions such as K+, Ca2+ and Mg2+ were found in the liquid fraction of the digestate and the remainder could have been retained in the solid digestate fraction. This study demonstrates the potential of biogas production from paunch in providing renewable energy. In addition, recovery of plant nutrients in the digestate is important for a sustainable agricultural system.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Waste Management - Volume 43, September 2015, Pages 123-129
Journal: Waste Management - Volume 43, September 2015, Pages 123-129
نویسندگان
Valentine Nkongndem Nkemka, Douglas H. Marchbank, Xiying Hao,