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Effect of coal rank on composition of low-temperature tar from a bench-scale fixed bed carbonizer.

Authors
Comberiati-JR; Karr-C Jr.; Childers-EE; Mapstone-JO Jr.; Estep-PA
Source
J Inst Fuel 1970 May; 43(5):147-150
Link
NIOSHTIC No.
10010226
Abstract
The effects of rank (lignite, subbituminous, HVA bituminous, HVB bituminous, cannel) on the amounts of some 100 individual compounds in each 500 deg. C tar and light oil obtained by external heating in a nitrogen atmosphere are described for seven different coals. There was some evidence that yields of tar acids and certain aromatic hydrocarbons, such as naphthalenes, declined with decrease in rank whereas yields of olefins increased. Cannel coals gave extra large yields of aliphatic hydrocarbons. Yield of products from HVA bituminous coals from two different locations in the same seam were different. Isomeric distributions indicated a partial approach to thermodynamic equilibrium for products from all seven coals.
Keywords
Bituminous coal; Tars; Oils; Heat; Thermodynamic properties; Acids; Aromatic hydrocarbons; Olefins; Naphthalenes; Aliphatic hydrocarbons
CODEN
JIFUA4
Publication Date
19700501
Document Type
OP; Journal Article
Fiscal Year
1970
NTIS Accession No.
NTIS Price
Identifying No.
OP 112-70
Issue of Publication
5
ISSN
0020-2886
Source Name
Journal of the Institute of Fuel
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