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Fly ash quality, both as the amount of petrographically distinguishable carbons and in chemistry, varies in both time and space. Temporal variations are a function of a number of variables. Variables can include variations in the coal blend organic petrography, mineralogy, and chemistry;...
A blend containing 20 wt.% low density polyethylene (PE) and 5 wt.% polyvinylchloride (PVC) in heavy vacuum gas oil was pyrolyzed at 623 K (dechlorination step). This mixture was then thermally and catalytically cracked in the presence of hydrogen at 673–723 K in a batch reactor (hydrocracking...
In an earlier report (Energy Fuels, 7 (1993) 111), the potential benefits of a refining process for heavy oil through the chemical assisted ultrasound method at room temperature and ambient pressure were presented. Specifically, with the effects of cavitation and added surfactant, within 15 min...
A steady state, multicomponent distillation model particularly suited for fractionation of crude oil has been developed based on equilibrium stage relations. For a mixture of C components, the present formulation uses C +3 iteration variables namely the mole fractions of the components,...
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