کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
680217 1459966 2015 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Performance of a novel two-phase continuously fed leach bed reactor for demand-based biogas production from maize silage
ترجمه فارسی عنوان
کارایی یک رآکتور فاضلاب دو مرحله ای برای تولید بیوگاز مبتنی بر تقاضا از سیلوهای ذرت
کلمات کلیدی
هضم بی هوازی حالت جامد، بیوگاز بر اساس تقاضا، واگن دو مرحله ای، محصولات انرژی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
چکیده انگلیسی


• High performance novel two-phase continuously fed leach bed reactor (LBR).
• Prevention of digester failure by combination of LBR with anaerobic filter.
• Gentle mixing and high biomass concentration by means of a floating bed.
• Demand-driven methane production directly from the digester.
• Increase of methane production of 50–60% per day compared to constant feeding.

This study investigated the potential of producing biogas on demand from maize silage using a novel two-phase continuously fed leach bed reactor (LBR) which is connected to an anaerobic filter (AF). Six different feeding patterns, each for 1 week, were studied at a weekly average of a volatile solids (VS) loading rate of 4.5 g L−1 d−1 and a temperature of 38 °C. Methane production from the LBR and AF responded directly proportional to the VS load from the different daily feeding and resulted in an increase up to 50–60% per day, compared to constant feeding each day. The feeding patterns had no impact on VS methane yield which corresponded on average to 330 L kg−1. In spite of some daily shock loadings, carried out during the different feeding patterns study, the reactor performance was not affected. A robust and reliable biogas production from stalky biomass was demonstrated.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 177, February 2015, Pages 34–40
نویسندگان
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