Co-hydrothermal carbonization of food waste-woody biomass blend towards biofuel pellets production

被引：85
|
作者：
Wang, Tengfei [1 ,2 ]
Zhai, Yunbo [1 ,2 ]
Li, Hui [4 ]
Zhu, Yun [3 ,5 ]
Li, Shanhong [1 ,2 ]
Peng, Chuan [1 ,2 ]
Wang, Bei [1 ,2 ]
Wang, Zhexian [1 ,2 ]
Xi, Yanni [4 ]
Wang, Siyuan [1 ,2 ]
Li, Caiting [1 ,2 ]
机构：
[1] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China
[3] Hunan Univ, Off Sci R&D, Changsha 410082, Hunan, Peoples R China
[4] Hunan Acad Forestry, Inst Biol & Environm Engn, Changsha 410004, Hunan, Peoples R China
[5] Hunan Univ, Shenzhen Inst, Shenzhen 518000, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2018年 / 267卷
基金：
中国国家自然科学基金;
关键词：
Hydrothermal carbonization; Food waste; Woody biomass; Pelletization; Mechanical strength; Fuel properties; SEWAGE-SLUDGE; SOLID-FUEL; COMBUSTION CHARACTERISTICS; LOW-TEMPERATURE; PELLETIZATION; LIQUEFACTION; HYDROCHARS; CONVERSION; BIOCHAR; HTC;
D O I：
10.1016/j.biortech.2018.07.059
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Co-hydrothermal carbonization of food waste-woody biomass blend was conducted to enhance the pelletization and hydrochar-fuel properties. The hydrochar was characterized by proximate, elemental analysis and HHVs, whilst energy consumption of pelletization, tensile strength, and combustion characteristics of hydrochar pellets were evaluated. Results showed that food waste (FW) blended with 0-50% mainly decreased H/C of hydrochar, while blend ratio from 75% to 100% mainly decreased O/C. When FW blended from 0% to 75%, the energy consumption for hydrochar palletization decreased about 12-17 J, whereas tensile strength of pellets increased about 2.4-5.5 MPa by formation of solid bridge when woody biomass (WS) ratio was increased. The hydrochar pellets from high ratio FW had decreased ignition temperature and maximum weight loss rate with wider temperature range, indicating the increased flammability and moderate combustion. These findings demonstrate that HTC of food waste-woody biomass blend was suitable for pelletization towards solid biofuel production.
引用
收藏
页码：371 / 377
页数：7
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