LC-Fining of SRC: a logical second stage in two-step coal liquefaction

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In conclusion, it may be stated that: Recycle processing of SRC-I coal extract produced an equilibrium recycle solvent containing 9 weight percent hydrogen after two recycle passes in the PDU; no refractory 850/sup 0/F+ material was detected when recycling 500/sup 0/F+ material; an 850/sup 0/F+ conversion of approximatly 87 weight percent (based on fresh SRC-I feed) was obtained during recycle processing at temperatures of 790 to 810/sup 0/F; a distillate product (390 to 850/sup 0/F) containing < 0.3 weight percent nitrogen was routinely obtained during recycle processing at the above noted high conversion; and in the recycle mode of processing ... continued below

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Pages: 27

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Chillingworth, R S; Hastings, K E; Potts, J D & Unger, H August 20, 1979.

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Description

In conclusion, it may be stated that: Recycle processing of SRC-I coal extract produced an equilibrium recycle solvent containing 9 weight percent hydrogen after two recycle passes in the PDU; no refractory 850/sup 0/F+ material was detected when recycling 500/sup 0/F+ material; an 850/sup 0/F+ conversion of approximatly 87 weight percent (based on fresh SRC-I feed) was obtained during recycle processing at temperatures of 790 to 810/sup 0/F; a distillate product (390 to 850/sup 0/F) containing < 0.3 weight percent nitrogen was routinely obtained during recycle processing at the above noted high conversion; and in the recycle mode of processing coal extract at 780/sup 0/F, a catalyst addition rate of one pound of catalyst per ton of moisture-free coal gave an 850/sup 0/F+ conversion of 62 weight percent (based on fresh SRC-I feed) and a nitrogen content in the distillate fraction (390 to 850/sup 0/F) of 0.36 weight percent.

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Pages: 27

Notes

Dep. NTIS, PC A03/MF A01.

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  • 87. AICHE national meeting, Boston, MA, USA, 19 Aug 1979

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  • Report No.: CONF-790822-13
  • Grant Number: EF-76-C-01-2574
  • Office of Scientific & Technical Information Report Number: 5921140
  • Archival Resource Key: ark:/67531/metadc1100567

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 20, 1979

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  • Feb. 18, 2018, 3:59 p.m.

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  • March 20, 2018, 8:50 p.m.

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Chillingworth, R S; Hastings, K E; Potts, J D & Unger, H. LC-Fining of SRC: a logical second stage in two-step coal liquefaction, article, August 20, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1100567/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.