Co-hydrothermal carbonization of corn stalk and swine manure: Combustion behavior of hydrochar by thermogravimetric analysis

被引：111
作者：
Lang, Qianqian [1 ,2 ]
Zhang, Bo [3 ]
Liu, Zhengang [1 ,2 ]
Chen, Zeliang [1 ,2 ]
Xia, Yu [1 ,2 ]
Li, Dong [1 ,2 ]
Ma, Jing [1 ,2 ]
Gai, Chao [1 ,2 ]
机构：
[1] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Shandong Prov Environm Technol Serv Ctr, Jinan 250102, Shandong, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2019年 / 271卷
关键词：
Swine manure; Corn stalk; Hydrothermal carbonization; Hydrochar; Thermogravimetric analysis; SEWAGE-SLUDGE; ANAEROBIC-DIGESTION; KINETIC-ANALYSIS; SOLID-FUEL; THERMAL-DECOMPOSITION; CATTLE MANURE; PIG MANURE; BIOMASS; WASTE; COCOMBUSTION;
D O I：
10.1016/j.biortech.2018.09.100
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The combustion behavior of the hydrochar from co-hydrothermal carbonization (HTC) of corn stalk (CS) and swine manure (SM) was thermogravimetrically investigated. Flynn-Wall-Ozawa (FWO) and Kissinger-Akahira-Sunose (KAS) were used for kinetic analysis, and the thermodynamic parameters were determined. Results showed that HTC decreased the combustion property and stability of SM, while co-HTC with CS significantly improved the combustion performance of the hydrochar including the increased ignition temperature and decreased burnout temperature. HTC of SM decreased the average activation energy (E-a) value from 140.40 and 137.31 KJ/mol to 124.40 and 120.17 KJ/mol by FWO and KAS, respectively, and increasing proportion of CS during co-HTC increased the E-a value of the hydrochar to 141.53-171.23 and 138.35-169.66 KJ/mol, respectively. The thermodynamic parameters confirmed the enhanced combustion reactivity of the hydrochar from co-HTC of CS and SM. These findings demonstrated that co-HTC with CS benefited the hydrochar production from SM with improved combustion performance.
引用
收藏
页码：75 / 83
页数：9
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