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- W1569572589 abstract "In the area of continuous coal conversion efforts were mainly devoted to data reduction and analysis of the kinetic experiments with the CSM continuous unit operating in a stirred tank reactor mode. Preliminary analysis of yield as a function of temperature and reactor residence time is presented. Modifications were made to the system to improve operation of the unit when performing experiments in a tubular reactor mode; these included moving the preheater to a vertical orientation and adding a pressurization line to the sampling system to decrease system pressure upsets during sampling. A series of seven runs were made to test this system operation. A summary of an ancillary study to investigate the effects of mineral matter, gaseous hydrogen, and residence time upon the conversion of a HVA bituminous coal is presented. In general, the results are complicated by interactions between the individual changes caused by each variable. The results do show that the conversion is affected by all of the above mentioned variables; and that investigations of mineral matter effects should continue. The major portion of the catalytic hydrodenitrogenation study was compiled. A Ni--Mo catalyst was used to perform hydrodenitrogenation experiments on a steady-state recycle oil from the Fort Lewis SRC plant. Kinetic models have been developed to represent the rate of nitrogen removal. Nitrogen removal can be modelled by either a global second order equation or by a global, parallel first-order reaction sequence. The rate of disappearance of carbazole has also been modelled as a first-order reaction. Reaction rate constants and Arrhenius activation energies for the above kinetic models are presented." @default.
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- W1569572589 date "1978-11-01" @default.
- W1569572589 modified "2023-09-27" @default.
- W1569572589 title "Clean solid and liquid fuels from coal. Quarterly progress report, July--September 1978" @default.
- W1569572589 doi "https://doi.org/10.2172/6208097" @default.
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