Application of the low lank cokes to the multi-stage formed coking process and effects of aromatic compounds on the tar yield during the preheat-treatment.
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Multi-stage coking was applied to non-fusible coals to produce both formed cokes of high mechanical strength and more amount of tar. The pressurized preheating and the solvent extraction with THE or pyridine provided the strength of the formed coke above 50kgf/cm2 and extractable tar above 20% (coal base yield) from Cerrejon, Optimum, Illinois No.6, and Taiheiyo coals.<BR>The heating rate of 10°C/min appears to be esssential to obtain the strength of the satistactory level.<BR>Thus, non-fusible coals of the present study were found applicable for the production of the blast fusible coke through the multi-stage coking.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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