Enhanced biohydrogen and subsequent biomethane production from sugarcane bagasse using nano-titanium dioxide pretreatment

被引：34

作者：

Jafari, Omid ^{[1
]}

Zilouei, Hamid ^{[1
]}

机构：

[1] Isfahan Univ Technol, Dept Chem Engn, Esfahan 8415683111, Iran

来源：

BIORESOURCE TECHNOLOGY | 2016年 / 214卷

关键词：

Dark fermentation; Anaerobic digestion; Sugarcane bagasse; Nano-titanium dioxide; Dilute acid hydrolysis; BIOLOGICAL HYDROGEN-PRODUCTION; BIO-HYDROGEN; ANAEROBIC-DIGESTION; ACID-HYDROLYSIS; ACETIC-ACID; FERMENTATION; DARK; NANOPARTICLES; DEGRADATION; INHIBITORS;

D O I：

10.1016/j.biortech.2016.05.007

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Nano-titanium dioxide (nanoTiO(2)) under ultraviolet irradiation (UV) followed by dilute sulfuric acid hydrolysis of sugarcane bagasse was used to enhance the production of biohydrogen and biomethane in a consecutive dark fermentation and anaerobic digestion. Different concentrations of 0.001, 0.01, 0.1 and 1 g nanoTiO(2)/L under different UV times of 30, 60, 90 and 120 min were used. Sulfuric acid (2% v/v) at 121 degrees C was used for 15, 30 and 60 min to hydrolyze the pretreated bagasse. For acidic hydrolysis times of 15, 30 and 60 min, the highest total free sugar values were enhanced by 260%, 107%, and 189%, respectively, compared to samples without nanoTiO(2) pretreatment. The highest hydrogen production samples for the same acidic hydrolysis times showed 88%, 127%, and 25% enhancement. The maximum hydrogen production of 101.5 ml/g VS (volatile solids) was obtained at 1 g nanoTiO(2)/L and 120 min UV irradiation followed by 30 min acid hydrolysis. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：670 / 678

页数：9

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