کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
686269 889067 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of hydraulic retention time on anaerobic hydrogenesis in CSTR
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Effect of hydraulic retention time on anaerobic hydrogenesis in CSTR
چکیده انگلیسی

The objective of this work was to evaluate the production of hydrogen in a continuous system as a function of hydraulic retention time (HRT). The intermediates accumulated and other parameters of pH, oxidation–reduction potential were quantified. The heat treatment (103 °C for 24 h) of the compost from a cattle dung composting facility was able to select H2-producing spores; this product was used as a seed for continuous systems. The brewery waste was used as substrate.For the eight runs with combinations of five HRTs and four pHs, the results indicate that at pH = 5.5, a maximum H2 production of 47% H2 concentration, 43 ml H2/g CODadded, and 3.1 l H2/l reactor d was achieved at HRT = 18 h. Nevertheless, at HRT = 18 h, pH 5.5 was also the optimum pH for the maximum H2 production among four pHs evaluated from 5 to 6.5. There was a significant accumulation of volatile acid and alcohols during the entire study.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 97, Issue 1, January 2006, Pages 84–89
نویسندگان
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