کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7718305 | 1497483 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Co-producing hydrogen and methane from higher-concentration of corn stalk by combining hydrogen fermentation and anaerobic digestion
ترجمه فارسی عنوان
ترکیب هیدروژن و متان از غلظت بالاتر از ساقه ذرت با ترکیب فرآیند هیدروژن و هضم بی هوازی
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
غلظت بیشتر از ساقه ذرت، تولید بیو هیدروژن، متان، تخمیر دو مرحلهای،
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
In this paper, the high concentration of corn stalk (60 g/L) was employed as feedstock to produce bio-hydrogen and methane by combining hydrogen fermentation and anaerobic digestion. In the first stage of hydrogen fermentation, the effects of several key parameters, such as strain enhancement technique, cetyl trimethyl ammonium bromide (CTAB), NH4HCO3 on hydrogen production from cornstalk were investigated and optimized. The maximum hydrogen yield of 79.8 ± 1.5 ml H2/g-TS and hydrogen production rate of 3.78 ml/g-cornstalk h was observed at fixed acidizing cornstalk of 60 g/L, strains Bacillus sp. FS2011 dosage of 10%(v/v), CTAB of 30 mg/L, NH4HCO3 of 1.2 g/L and initial pH of 7.5 ± 0.5 at 36 ± 1 °C, respectively. In the second stage of anaerobic digestion, the effluent from hydrogen production bio-reactor was further employed as the feedstock to produce methane by methanogenic bacteria, the maximum methane yield of 227 ± 2.5 ml CH4/g-COD and COD removal rate of 95  ± 1% was recorded. The interesting observations were that the total amount of the organic wastewater produced in a higher substrate concentration (60 g/l) by hydrogen fermentation was reduced by about two-thirds compared with that of traditional low substrate concentration (â¤20 g/l).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 39, Issue 26, 3 September 2014, Pages 14204-14211
Journal: International Journal of Hydrogen Energy - Volume 39, Issue 26, 3 September 2014, Pages 14204-14211
نویسندگان
Yan-Chun Guo, Yang Dai, Yan-Xia Bai, Yan-Hong Li, Yao-Ting Fan, Hong-Wei Hou,