学位论文详细信息
Coal Desulfurization by Selective Chlorinolysis
Chemical Engineering;Chemistry
Vasilakos, Nikolaos Petrou ; Corcoran, William Harrison
University:California Institute of Technology
Department:Chemistry and Chemical Engineering
关键词: Chemical Engineering;    Chemistry;   
Others  :  https://thesis.library.caltech.edu/3639/3/Vasilakos_np_1981-ocr.pdf
美国|英语
来源: Caltech THESIS
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【 摘 要 】

The desulfurization of coal by selective oxidation under slurry-phase chlorination conditions was investigated. Chemical reaction was found to be the rate-controlling step in carbon-tetrachloride chorination at 25°C for coal particles less than 150 µ in diameter. For larger particle sizes, a transition from chemical to intraparticlemass-transfer control was observed. The nitrogen-surface area of the coal decreased significantly as a result of the chlorination reaction.

The reaction mechanism and the desulfurization patterns of chlorinolysis were studied under model-reaction and coal-chlorination conditions. Possible complete desulfurization schemes were considered.

The role of solvents both in increasing the efficiency of the coal treatment and in providing alternative paths for coal beneficiation processes was also examined. The results of this study were interpreted within the frame of the solubility-parameter theory, utilizing the new experimental technique of solubility-parameter spectroscopy.

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