کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7080792 | 1459997 | 2013 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Improvement of the energy conversion efficiency of Chlorella pyrenoidosa biomass by a three-stage process comprising dark fermentation, photofermentation, and methanogenesis
ترجمه فارسی عنوان
بهبود راندمان تبدیل انرژی زیست توده کلرلا پیرانوئیدا به روش فرآیندی سه مرحله ای شامل تخلیص تند، تشخیص فتوگرافی و متانوژنز
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کلمات کلیدی
کلرلا پیرنوییدا، هیدروژن، تخمیر متانوژنز، بهره وری تبدیل انرژی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
چکیده انگلیسی
The effects of pre-treatment methods on saccharification and hydrogen fermentation of Chlorella pyrenoidosa biomass were investigated. When raw biomass and biomass pre-treated by steam heating, by microwave heating, and by ultrasonication were used as feedstock, the hydrogen yields were only 8.8-12.7Â ml/g total volatile solids (TVS) during dark fermentation. When biomass was pre-treated by steam heating with diluted acid and by microwave heating with diluted acid, the dark hydrogen yields significantly increased to 75.6Â ml/g TVS and 83.3Â ml/g TVS, respectively. Steam heating with diluted acid is the preferred pre-treatment method of C. pyrenoidosa biomass to improve hydrogen yield during dark fermentation and photofermentation, which is followed by methanogenesis to increase energy conversion efficiency (ECE). A total hydrogen yield of 198.3Â ml/g TVS and a methane yield of 186.2Â ml/g TVS corresponding to an overall ECE of 34.0% were obtained through the three-stage process (dark fermentation, photofermentation, and methanogenesis).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 146, October 2013, Pages 436-443
Journal: Bioresource Technology - Volume 146, October 2013, Pages 436-443
نویسندگان
Ao Xia, Jun Cheng, Lingkan Ding, Richen Lin, Rui Huang, Junhu Zhou, Kefa Cen,