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In this paper a mathematical model enabling the calculation of reaction rate parameters for coal weight loss during liquefaction has been formulated. This model explicitly accounts for (i) product release during heatup as well as holding at peak experimental temperature and (ii) stages of the process prior to and following the onset of extensive covalent bond scission (around 350°C); the procedure...
Describes an integrated control and measurement system based on a single host computer which was constructed for running a semi-continuous flowing-solvent coal liquefaction reactor. The system is composed of special circuits and commercial available units, provided accurate temperature and flow control data acquisition, real time display, and safety interlock. The real-time job-conflict problems...
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