Hydrothermal and alkaline thermal pretreatment at mild temperature in solid state for physicochemical properties and biogas production from anaerobic digestion of rice straw
文献类型： 外文期刊
作者： Du, Jing 1 ; Qian, Yuting 2 ; Xi, Yonglan 2 ; Lu, Xiwu 1 ;
作者机构： 1.Southeast Univ Sch, Coll Energy & Environm, Nanjing 210096, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Circular Agr Res Ctr, Nanjing 210014, Jiangsu, Peoples R China
3.Minist Agr, East China Sci Observing & Expt Stn Dev & Utiliza, Nanjing 210014, Jiangsu, Peoples R China
4.Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Nanjing 210014, Jiangsu, Peoples R China
关键词： Solid state; Mild hydrothermal; Alkaline thermal; Pretreatment; Anaerobic fermentation
期刊名称：RENEWABLE ENERGY （ 影响因子：8.001； 五年影响因子：7.435 ）
ISSN： 0960-1481
年卷期： 2019 年 139 卷
页码：
收录情况： SCI
摘要： The effect of hydrothermal pretreatment (HTP) and alkaline thermal pretreatment (TA) at mild temperature in the solid state was comparatively studied, through the analysis of physicochemical properties of rice straw and its biogas production during anaerobic digestion. The results indicated that TA visibly increased the biogas yield from HTP. The accumulative biogas production of volatile solids was the highest for TA3 up to 411.1 mL/g VS, in which increased 24.04% compared to control. Therefore, the use of TA is more favorable to improve biogas production rates of anaerobic fermentation with rice straw than HTP, however, the additives of calcium hydroxide are too high, but it is not conducive to promoting the biogas yield of rice straw. The best additives amount of Ca (OH)(2) was 2% to consider the cost of pretreatment with straw. The research results provide technical support for pretreatment of anaerobic fermentation of lingo-cellulosic materials such as straw. (C) 2019 Published by Elsevier Ltd.
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