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Cetane number improvement of diesel fuels is a difficult task that refiners will face in the near future. Aromatics saturation by deep hydrogenation is a necessary, but perhaps not sufficient step in the diesel treatment. Some researchers have proposed selective ring opening (SRO) as an additional step in the upgrading. In this work, we explore some possible reaction pathways of compounds typically...
The objective of this study was to obtain estimates for the refractive indices of bitumen, maltenes, and asphaltenes. Refractive index measurements performed on various bitumen–solvent mixtures were analyzed using a mixing model that related the refractive index of an ideal mixture to the refractive indices of the pure components of the mixture. Measurements could only be obtained for bitumen–solvent...
Phenolic resins were synthesised using the whole coal tar acid fraction of the oil from a low temperature carbonisation process. A series of briquettes were prepared using a number of coal tar acid concentrations, cured at ambient temperature with various concentrations of sulphuric acid and were subjected to a variety of physical tests. Excellent briquettes, in terms of mechanical strength, water-proofing...
To investigate the yields of specific compounds and compound classes that can be achieved by co-processing single-stream plastic waste in carbonisation, a series of Gray-King tests have been conducted on blends of Gascoigne Wood (UK high volatile bituminous coal) and both low density polyethene (500 and 600 o C) and polystyrene (600 o C). For both polymers the tar yields were found...
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