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The objective of the present work was to assess the feasibility of using pore structural parameters and coke carbon textural compositional data as the basis for methods of coke tensile strength prediction. The cokes used were obtained by carbonising six coals, covering the whole rank range encountered in commercial coking in the UK, singly and as 44 two- and three-component blends, in a small pilot oven. Comparison of textural data for the 44 blended-coal cokes with data calculated from the blend composition confirmed that textural data are sufficiently additive for this approach to coke strength prediction to be feasible. Attempts to use pore structural data in this approach proved less successful. It proved possible to calculate the tensile strength of cokes from blended coal charges, from the blend composition and the strength of the single-coal cokes with adequate precision for predictive purposes. The methods of predicting the tensile strength of coke developed in this study are suitable for application in different situations. The additivity of tensile strength is the simplest approach, but the use of textural data allows the quality of a coal to be assessed from only a small sample.

Additional information

Authors: PATRICK J W, University of Technology, Carbon Research Group of Loughborough Consultants Ltd., Loughborough (GB)
Bibliographic Reference: EUR 13046 EN (1990) 50 pp., FS, ECU 6.25
Availability: (2)
ISBN: ISBN 92-826-1908-7
Record Number: 199110014 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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