Kinetics of short contact time coal liquefaction. Part I: Effect of operating variables

The liquefaction kinetics of Powhatan No.5 mine coal (Pittsburgh Seam) in the presence of SRC‐II recycle solvent at short contact times (

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Veröffentlicht in:	AIChE journal 1984-03, Vol.30 (2), p.295-303
Hauptverfasser:	Abichandani, J. S., Wieland, J. H., Shah, Y. T., Cronauer, D. C.
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Sprache:	eng
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description	The liquefaction kinetics of Powhatan No.5 mine coal (Pittsburgh Seam) in the presence of SRC‐II recycle solvent at short contact times (
doi_str_mv	10.1002/aic.690300219
format	Article
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Part I: Effect of operating variables</title><source>Wiley Online Library Journals Frontfile Complete</source><creator>Abichandani, J. S. ; Wieland, J. H. ; Shah, Y. T. ; Cronauer, D. C.</creator><creatorcontrib>Abichandani, J. S. ; Wieland, J. H. ; Shah, Y. T. ; Cronauer, D. C.</creatorcontrib><description>The liquefaction kinetics of Powhatan No.5 mine coal (Pittsburgh Seam) in the presence of SRC‐II recycle solvent at short contact times (<10 min) and temperature and pressure ranges of 573–723 K and 10.3–13.8 MPa is examined in a well‐mixed reactor. In the initial stages of liquefaction, while overall coal conversion (tetrahydrofuran solubles) increases with temperature, oil (pentane solubles) is lost with an increase in temperature. An increase in solvent‐to‐coal ratio results in an increase of conversion. The initial coal particle size distribution, total pressure, and nature of gas phase (nitrogen or hydrogen) have no significant effect on the production of any of the product of liquefaction for contact times up to 10 min. 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The initial coal particle size distribution, total pressure, and nature of gas phase (nitrogen or hydrogen) have no significant effect on the production of any of the product of liquefaction for contact times up to 10 min. A lumped kinetic model is presented to describe the product distribution.</description><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OwzAQhC0EEqVw5O4XSFk7sZ1wq6pSSitAoqhSL5ZjO2BIk2KHn749Rq0QJ067M_pmVxqEzgkMCAC9UE4PeAFp3ElxgHqEZSJhBbBD1AMAkkSDHKOTEF6ioiKnPbScucZ2TgfcVjg8t77Dum06pTvcubWNQtW4dm_vtoqea5sBvlcRml7icVXZiMVcu7Feda55wh_KO1XWNpyio0rVwZ7tZx89Xo0Xo-tkfjeZjobzRFNBi6QQLMuUploZRiDj1BiTWp7nqiDASsGNoJxmBTdgSpoJm1OmgStaGg5MZ2kfJbu72rcheFvJjXdr5beSgPxpRcZW5G8rkRc7_tPVdvs_LIfT0d_k_pMLnf36TSr_KrlIBZPL24m8eYDVYrSayUn6DRwbdC8</recordid><startdate>198403</startdate><enddate>198403</enddate><creator>Abichandani, J. 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In the initial stages of liquefaction, while overall coal conversion (tetrahydrofuran solubles) increases with temperature, oil (pentane solubles) is lost with an increase in temperature. An increase in solvent‐to‐coal ratio results in an increase of conversion. The initial coal particle size distribution, total pressure, and nature of gas phase (nitrogen or hydrogen) have no significant effect on the production of any of the product of liquefaction for contact times up to 10 min. A lumped kinetic model is presented to describe the product distribution.</abstract><cop>New York</cop><pub>American Institute of Chemical Engineers</pub><doi>10.1002/aic.690300219</doi><tpages>9</tpages></addata></record>
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title	Kinetics of short contact time coal liquefaction. Part I: Effect of operating variables
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