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Production of low ash coal by thermal extraction withN-methyl-2-pyrrolidinone

✍ Scribed by Sang Do Kim; Kwang Jae Woo; Soon Kwan Jeong; Young Jun Rhim; Si Hyun Lee

Book ID
107513954
Publisher
Springer US
Year
2008
Tongue
English
Weight
386 KB
Volume
25
Category
Article
ISSN
0256-1115

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Quantitative analysis of N-methyl-2-pyrrolidinone retained in coal extracts by thermal extraction g.c.-m.s.
✍ Scott W. Chervenick; Ronald B. Smart πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 612 KB

N-methyl-2-pyrrolidinone (NMP) is widely used for coal extractions. It is well known that extraction solvents are retained in the coal extracts even after extensive drying procedures. The amount of NMP retained will affect the accuracy of the extraction yield and the character of the extracts. Therm