Comparison of thermophilic microaerobic and alkali pretreatment of sugarcane bagasse for anaerobic digestion

被引：9
|
作者：
Fu, Shan-fei [1 ,2 ]
Shi, Xiao-shuang [1 ]
Wang, Fei [1 ,2 ]
Yuan, Xian-zheng [1 ]
Guo, Rong-Bo [1 ]
机构：
[1] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Ind Engn Lab Biogas Prod & Utilizat, Key Lab Biofuels, Qingdao 266101, Shandong, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 78期
基金：
中国国家自然科学基金;
关键词：
METHANE PRODUCTION; CO-DIGESTION; THERMOCHEMICAL PRETREATMENTS; SLUDGE PRETREATMENT; SEWAGE-SLUDGE; RICE STRAW; WASTE; ENHANCEMENT; IMPROVE; MANURE;
D O I：
10.1039/c5ra10717b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, the effects of thermophilic microaerobic pretreatment (TMP) and alkali pretreatment (AP) on anaerobic digestion (AD) of sugarcane bagasse were investigated. Results showed TMP was efficient at crystallinity disruption and AP was efficient at lignin removal. The maximum methane yield was obtained when the oxygen loads during TMP was 10 ml g(-1) VSsubstrate (TMP2), which was 15.7% and 29.3% higher than those of AP and the sample without pretreatment (WP), respectively. Accordingly, the VS removal efficiency of TMP2 was 5.4% and 17.4% higher than those of AP and WP, respectively. In addition, lag-phase time of TMP2 was 1.55 and 3.82 days shorter than those of AP and WP, respectively. Technical digestion time (T90) of AP was 49 days, which was 10 and 7 days less than those of TMP2 and WP, respectively. In addition to AP, TMP is an alternative and efficient pretreatment method in the AD of sugarcane bagasse.
引用
收藏
页码：63903 / 63908
页数：6
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