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The role of O- and N-containing surface species in the course of NO reduction over phenol-formaldehyde resin char and amorphous 13 C was investigated. The presence of O-containing complexes on the char surface was shown to increase the reactivity towards NO by providing free reactive sites. The presence of O 2 also enhanced the NO reduction reaction greatly. A mass balance...
Coal demineralization by Ca(OH) 2 leaching followed by dilute HCl washing was investigated primarily using reflected light microscopy and scanning electron microscopy with energy-dispersive X-ray analysis. A Hunter Valley coal was examined both in as-received form and after demineralization to various levels of residual ash. The major minerals in the original coal are quartz and clay. As...
The use of catalysts for upgrading volatile matter from hydropyrolysis of Millmerran coal was investigated. The activities of Mo, W, Co-Mo, Ni-Mo and Ni-W catalysts, all loaded on Al 2 O 3 , together with various zeolites were tested for the hydrocracking of coal volatile matter under high hydrogen pressure. The activities of the metal-loaded catalysts reached maxima at a moderate...
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