Effects of low-temperature catalytic pretreatments on coal structure and reactivity in liquefaction. Technical progress report, August 1992--November 1992
Abstract:Finally, the effects of reaction conditions were investigated on conversion of low-rank coals using a Texas subbituminous coal. To find the optimum reaction conditions which can minimize the retrogressive reactions while enhancing hydrogenation, several reaction conditions such as single-staged liquefaction (SSL) and temperature-programmed liquefaction (TPL) were compared. The effect of reaction solvents on the liquefaction was also studied using hydrogendonor solvents (e.g. tetralin and decalin), a non-donor … Show more
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