Microwave-assisted hydrothermal carbonization of dairy manure: Chemical and structural properties of the products

被引：48
作者：
Gao, Ying [1 ]
Liu, Yinghui [2 ]
Zhu, Guangkuo [2 ]
Xu, Jiayu [2 ]
Xu, Hui [1 ]
Yuan, Qiaoxia [3 ]
Zhu, Yuezhao [2 ]
Sarma, Jyotirmoy [4 ]
Wang, Yinfeng [2 ]
Wang, Jing [1 ]
Ji, Lian [1 ]
机构：
[1] Nanjing Tech Univ, Coll Energy, Nanjing 211816, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, Sch Mech & Power Engn, Nanjing 211816, Jiangsu, Peoples R China
[3] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Hubei, Peoples R China
[4] Univ Texas Dallas, Dept Mech Engn, Richardson, TX 75080 USA
来源：
ENERGY | 2018年 / 165卷
关键词：
Hydrothermal carbonization; Microwave-assisted; Dairy manure; Hydrochar; Aqueous phase; ACID HYDROLYSIS; RESIDENCE TIME; HYDROCHAR; ENERGY; TEMPERATURE; RECOVERY; WASTES; SLUDGE; SUGAR;
D O I：
10.1016/j.energy.2018.09.185
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study, microwaves were introduced into the hydrothermal carbonization (HTC) of high-moisture biomass dairy manure (DM). Experiments were conducted to investigate the effect of reaction temperature and residence time on the distribution and characteristics of products. A maximum hydrochar yield of 67.94 wt. % was achieved. Microwave heating was advantageous to the HTC treatment of DM and had significant impacts on the physicochemical structure and characteristics of the products. The saccharides, aldehydes and carbon microspheres in the aqueous-phase products influenced the production of the hydrochar. Treating DM through microwave-assisted HTC provided better chemical and structural properties. A longer residence time had a visual effect on the surface morphology. At a residence time of 10 h, the hydrochar exhibited a lamellar structure like graphene, and the morphology of hydrochar changed to microspheres of higher yield at 14 h. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：662 / 672
页数：11
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