Beneficial synergistic effect on bio-oil production from co-liquefaction of sewage sludge and lignocellulosic biomass

被引:120
作者
Leng, Lijian [1 ,2 ]
Li, Jun [1 ,2 ]
Yuan, Xingzhong [3 ]
Li, Jingjing [1 ,2 ]
Han, Pei [1 ,2 ]
Hong, Yuchun [4 ]
Wei, Feng [4 ]
Zhou, Wenguang [1 ,2 ]
机构
[1] Nanchang Univ, Sch Resources Environm & Chem Engn, Nanchang, Jiangxi, Peoples R China
[2] Nanchang Univ, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang, Jiangxi, Peoples R China
[3] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
[4] Nanchang Water Ind Grp Co Ltd, Nanchang, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Co-liquefaction; Sewage sludge; Lignocellulosic biomass; Bio-oil; Synergistic effect; THERMOCHEMICAL LIQUEFACTION; SUPERCRITICAL ETHANOL; SUBCRITICAL WATER; RISK-ASSESSMENT; HEAVY-METALS; RICE HUSK; GASIFICATION; MICROALGAE; IMMOBILIZATION; CONVERSION;
D O I
10.1016/j.biortech.2017.12.018
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Co-liquefaction of municipal sewage sludge (MSS) and lignocellulosic biomass such as rice straw or wood sawdust at different mixing ratios and the characterization of the obtained bio-oil and bio-char were investigated. Synergistic effects were found during co-processing of MSS with biomass for production of bio-oil with higher yield and better fuel properties than those from individual feedstock. The co-liquefaction of MSS/ rice straw (4/4, wt) increased the bio-oil yield from 22.74% (bio-oil yield from liquefaction of MSS individually) or 23.67% (rice straw) to 32.45%. Comparable increase on bio-oil yield was also observed for MSS/wood sawdust mixtures (2/6, wt). The bio-oils produced from MSS/biomass mixtures were mainly composed of esters and phenols with lower boiling points (degradation temperatures) than those from individual feedstock (identified with higher heavy bio-oil fractions). These synergistic effects were probably resulted from the interactions between the intermittent products of MSS and those of biomass during processing.
引用
收藏
页码:49 / 56
页数:8
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