Citation: ZHUANG Xiu-zheng, ZHAN Hao, HUANG Yan-qin, SONG Yan-pei, YIN Xiu-li, WU Chuang-zhi. Influence of hydrothermal upgrading on the fuel characteristics and combustion behavior of herb wastes[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(8): 940-949. shu

Influence of hydrothermal upgrading on the fuel characteristics and combustion behavior of herb wastes

1.
Key Laboratory of Renewable Energy, CAS, Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: YIN Xiu-li, xlyin@ms.giec.ac.cn
Received Date: 6 February 2018
Revised Date: 14 June 2018

Fund Project: the National Key R & D Project 2016YFE0203300The project was supported by the National Key R & D Project (2016YFE0203300), the Guangdong Natural Science Foundation (2017B030308002) and the STS Project of Chinese Academy of Sciencethe Guangdong Natural Science Foundation 2017B030308002

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Based on two kinds of biowastes (penicillin mycelia waste, PMW; herbal tea waste, HTW), the difference of biowastes derived from various sources and their fuel characteristics and combustion behavior after hydrothermal upgrading were investigated with the assistance of XPS, TGA and FTIR analyses. The results show that HTW mainly contains lignocelluloses, while PMW mostly consists of protein and polysaccharides. Although the specific conversion paths of various components are slightly different during hydrothermal process, both the higher heating values (HHV) of biowastes are improved (HTW:from 19.4 to 26.2 MJ/kg; PMW:from 19.1 to 29.3 MJ/kg); meanwhile, the coalification degree of biowastes increases with the growing temperature, even reaching the degree of bituminite at 300℃. In addition, the variation in carbon content and structure reflects that the reaction of devolatilization and aromatization during hydrothermal process can improve not only the fuel characteristics but also the combustion behavior.
- medicinal biowastes,
- hydrothermal upgrading,
- incineration,
- fuel characteristics
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沈阳化工大学材料科学与工程学院沈阳 110142