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Catalysts Ni/γ-Al2O3, Mg2Si/γ-Al2O3, and Ni-Mg2Si/γ-Al2O3 were prepared. Their activities for catalytic hydroconversions (CHCs) of some lignite-related model compounds were examined. For the CHCs of oxydibenzene (ODB), benzyloxybenzene, and oxybis(methylene)dibenzene, the suitable loadings of Ni and Mg2Si are 33 and 20% in Ni-Mg2Si/γ-Al2O3, respectively, and the optimal reaction conditions are 4MPa...
Four Chinese bituminous coals were extracted with CS 2 , n-hexane, benzene, methanol, acetone, tetrahydrofuran (THF) and THF/methanol (1: 3vol/vol) mixed solvent sequentially. The resulting 28 extracts were analyzed with GC/MS. Six organochlorines (OCs) and two organobromines (OBs) were identified in eight extracts from the coals. Our experiments provide, for the first time, the information...
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