Obtaining needle coke from coal liquefaction residue
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Chromatography/mass spectrometry (GS/MS) was used to study toluene-soluble (TS) and pyridine-soluble (PS) fractions obtained from coal liquefaction residue by solvent extraction. It was found that the toluene-soluble fraction, containing mainly polycyclic aromatic hydrocarbons with 2-4 rings, is a good feedstock for making needle coke. The pyridine-soluble fraction cannot be used for these purposes because it contains more aromatic hydrocarbons with 5 or more rings. The composition of the studied samples determines their different behavior in carbonization (coking).
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- Obtaining needle coke from coal liquefaction residue
Chemistry and Technology of Fuels and Oils
Volume 48, Issue 5 , pp 349-355
- Cover Date
- Print ISSN
- Online ISSN
- Springer US
- Additional Links
- coal liquefaction residue
- needle coke
- solvent extraction
- mesophase pitch
- carbonization (coking)
- Industry Sectors
- Author Affiliations
- 1. Key Laboratory of Coal Processing & Efficient Utilization, Ministry of Education, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China
- 2. High Tech Research Institution of China University of Mining and Technology & the City of Lianyungang Xuwei New Area, Xuzhou, Jiangsu, 221116, China