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三球悬铃木落叶产氢产甲烷联合发酵能源转化效率分析

发表时间:2017-12-29  浏览量:1563  下载量:210
全部作者: 李亚猛,张志萍,朱胜楠,张 甜,刘会亮,张全国
作者单位: 河南农业大学生物质能源河南省协同创新中心
摘 要: 对以三球悬铃木落叶为原料的光合生物制氢和暗发酵生物制氢末端液相中的挥发性脂肪酸(volatile fatty acid,VFA)和醇类等有机物的质量浓度进行分析,结果显示,光合生物制氢和暗发酵生物制氢余液中的乙酸质量浓度分别为624 mg/L 与2 966 mg/L、丁酸分别为422 mg/L 与1 624 mg/L、丙酸分别为558 mg/L 与1 365 mg/L、乙醇分别为866 mg/L 与1 352 mg/L. 为使这些有机物以能量的形式转化出来,以便提高生物质能量转化效率,将产氢余液提供给产甲烷菌进行产甲烷发酵。结果显示,利用光合生物制氢余液进行产甲烷发酵使落叶的能源转化效率提高了15.17%,利用暗发酵产氢余液进行产甲烷发酵使落叶的能源转化效率提高了22.28%. 结果表明,本实验建立的发酵模式能实现产氢余液的高效利用,同时也显著提高了厌氧生物处理的能源转化效率。
关 键 词: 一次能源;生物制氢;产甲烷发酵;产氢产甲烷联合发酵;能源转化效率
Title: Energy conversion efficiency study of hydrogen and methane production coupled fermentation from Platanus orientalis leaves
Author: LI Yameng, ZHANG Zhiping, ZHU Shengnan, ZHANG Tian, LIU Huiliang, ZHANG Quanguo
Organization: Collaborative Innovation Center of Biomass Energy of Henan Province, Henan Agricultural University
Abstract: The mass concentration of organic substances, such as volatile fatty acid (VFA) and alcohols in the fermentation broth of photosynthetic biological hydrogen production and dark fermentation biological hydrogen production from Platanus orientalis leaves, was analysed during the fermentation process. The results showed that the mass concentration of acetic acid in the effluent of photosynthetic and dark fermentation biological hydrogen production were 624 mg/L and 2 966 mg/L, respectively; butyric acid: 422 mg/L and 1 624 mg/L; propionic acid: 558 mg/L and 1 365 mg/L; ethanol: 866 mg/L and 1 352 mg/L. In order to make use of these organic substances and improve the conversion efficiency of biomass energy, the hydrogen production effluent was utilized in the methane fermentation process in this paper. The results showed that photosynthetic and dark fermentation biological hydrogen production effluents were used in methanogenic fermentation, the energy conversion efficiency increased by 15.17% and 22.28%, respectively. The fermention system in this paper can realize the efficient utilization of the hydrogen production effluent, and significantly improve the energy conversion efficiency of anaerobic biological treatment plants.
Key words: primary energy; biological hydrogen production; methane production fermentation; hydrogen and methane production coupled fermentation; energy conversion efficiency
发表期数: 2017年12月第24期
引用格式: 李亚猛,张志萍,朱胜楠,等. 三球悬铃木落叶产氢产甲烷联合发酵能源转化效率分析[J]. 中国科技论文在线精品论文,2017,10(24):2769-2776.
 
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