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The objectives of this project were: (i) To quantify the effects of cleaning the coal feed on the yield patterns and processing rates of the liquid solvent extraction (LSE) direct coal liquefaction process. (ii) To obtain information on the effect of the co-refining of coal-derived and petroleum distillates to premium transport fuels. In the clean coal programme, it was concluded that there may be small but significant advantages in processing only the cleans fraction and routing the middlings to utilities such as power generation. The use of coals at the low end of the bituminous coal rank range also appears attractive, although the processing of all coals other than anthracites remains technically feasible. The results of the co-refining programme suggest that co-reforming, the simultaneous processing of petroleum and coal-derived naphthas, may increase reformate yields at a given RON when compared with the alternative of reforming separately and then blending. In addition, laboratory engine tests indicate that a gasoline meeting current UK specifications could be produced from coal-derived naphtha by reforming, using only butane as an external blending component.

Additional information

Authors: MOORE S A, British Coal Corporation, Coal Liquefaction Project, Point of Ayr Facility (GB);KIMBER G M, British Coal Corporation, Coal Liquefaction Project, Point of Ayr Facility (GB)
Bibliographic Reference: EUR 13973 EN (1992) 81 pp., FS, ECU 9
Availability: (2)
ISBN: ISBN 92-826-3797-2
Record Number: 199210440 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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