کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
680009 1459963 2015 7 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Rapid mineralisation of the Organic Fraction of Municipal Solid Waste
ترجمه فارسی عنوان
کانه زدن سریع کسر آلی از ضایعات جامد شهری
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
چکیده انگلیسی


• Rapid mineralisation of OFMSW is an alternative for ecological processes.
• Respirometry analysis allowed to determine rapid and slow phases of mineralisation.
• Rapid mineralisation allows up to 432.9 mg of CO2 g−1 IDM after 50 h.
• Highest CO2 rate constant found (5.28 d−1) is 3.5 times higher than that reported.
• Highest CO2 formation rate (22 CO2 mg g−1 IDM h−1) is 73% higher than that reported.

The effect of pH, C/N ratio, addition of a microbial consortium (MC) and temperature upon mineralisation of Organic Fraction of Municipal Solid Waste (OFMSW) was studied; mineralisation was measured through the CO2 production rate and total CO2 formation. Through this process up to 432.9 mg of CO2 g−1 initial dry matter (IDM) after 2 days of treatment was obtained. It was found that under a slightly acidic pH (5–6) and C/N of 30, the mineralisation process was accelerated. Moreover, temperature (27–50 °C) had no effect on the total CO2 produced. The highest CO2 production rate (5.28 d−1) was observed at 27 °C, C/N ratio of 30 and 8% of microbial consortium; it is at least 3.52 times higher than that reported (1.5 d−1). The highest release of reducing sugars was determined at 50 °C, possibly due to an increase in hydrolytic enzymes. Results suggest the potential use of rapid mineralisation of OFMSW for further friendly environmental processes.

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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 180, March 2015, Pages 112–118
نویسندگان
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