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- Title
Influencing factors of coal tar yield and quality from low-temperature coal pyrolysis.
- Authors
MIAO Qing; ZHENG Huaan; ZHANG Shengun; LI Xueqiang; CHEN Jingsheng; ZHANG Zhigang
- Abstract
Coal tar, the main product of low-temperature coal pyrolysises an essential chemical material. The yield and quality of coal tar is an important indicator to evaluate the pyrolysis. Investigate the influencing factors of coal tar yield and quality from the aspects of raw coal characteristics such as coal types and coal particle size, structure of pyrolysis reactors and technical conditions including raw coal pretreatment, reaction temperature and pressure, heating rate, gas residence time, reaction atmosphere and catalysts. The results show that the yield and quality of coal tar can be improved by using proper coal and pyrolysis reactors, choosing appropriate technical conditions, adopting catalytic hydrogenation pyrolysis and the like.
- Subjects
PRODUCT quality; COAL tar; LOW temperatures; COAL pyrolysis; PYROLYSIS; PARTICLE size distribution; CHEMICAL reactions
- Publication
Clean Coal Technology, 2014, Vol 20, Issue 4, p77
- ISSN
1006-6772
- Publication type
Article
- DOI
10.13226/j.issn.1006-6772.2014.04.023