Anaerobic co-digestion of sodium hydroxide pretreated sugarcane leaves with pig manure and dairy manure  

作　　者：Juan Luo Haibo Meng Zonglu Yao Akiber Chufo Wachemo Hairong Yuan Liang Zhang Xiujin Li 

机构地区：[1]College of Chemical Engineering,Beijing University of Chemical Technology,Beijing 100029,China [2]Chinese Academy of Agricultural Engineering,Key Laboratory of Energy Resource Utilization from Agricultural Residues,Beijing 100125,China [3]Department of Water Supply and Environmental Engineering,Arba Minch University,Arba Minch,Ethiopia

出　　处：《International Journal of Agricultural and Biological Engineering》2018年第4期224-229,共6页国际农业与生物工程学报（英文）

基　　金：We acknowledge that this work was financially support by Special Fund for Agroscientific Research in the Public Interest(No.201503135):Study on Technology and Demonstration of Straw High Efficiency and Clear Energy Utilization.

摘　　要：Sugarcane leaves(SL)pretreated by alkali was used as substrate to enhance biogas production via mesophilic anaerobic digestion(AD)in this study.Effectiveness of different concentrations of NaOH pretreatment on AD performance was investigated.Results showed that compared to untreated sample of SL,the lignocellulose(LCH)content of NaOH pretreated group was decreased by 5.79%-16.85%.However,the cumulative biogas production of the pretreated samples increased in the range of 34.54%-82.67%;moreover,T90 was shorten by 5-7 d.The highest anaerobic digestibility of SL was achieved at 6%NaOH pretreatment,which produced 287.30 mL/g TS of biogas.A significant interactive effect of the three parameters(temperature,SL/manure mixing ratio and C/N ratio)was found on the biogasification of anaerobic co-digestion,and a maximum biogas production was achieved at 36.2oC,mixing ratio of 1.6 and C/N ratio of 29.2.These show that the verification experiment confirmed the optimization results.This study provides meaningful insight for exploring efficient pretreatment strategy and optimal condition to stabilize and enhance AD performance for practical application.

关 键 词：NaOH pretreatment CO-DIGESTION sugarcane leaves pig manure dairy manure 

分 类 号：F42[经济管理—产业经济]