Effects of aromatic compounds on the tar yield during the preheat-treatment and preparation of formed cokes of high strength from the residue.
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Roles of non-donor aromatic solvents in the pressurized preheating step of multi-stage coking were studied to increase extracted residue. Fluoranthene and pyrene were found effective to increase both tar yield and strength of formed coke when coal/solvent ratio was unity. Under hydrogen pressure pyrene was surpior to fluoranthene probably because of its shuttling ability. The tar yield and coke strength reached to 30% and 195kgf/cm<SUP>2</SUP>, respectively from fusible coals. The preheating temprature of 723K appears optimum to most of the coals examined in the present study.
- 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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