Preparation and modification of recoverable particle catalysts for coal liquefaction
- Kyushu Univ. (Japan); and others
One of the most promising recoverable catalysts are characterized by its sulfur-proof ferromagnetism for the recovery from the minerals and organic residue by gradient magnetic field. The hydrogenation activity was induced by supporting small amounts of Ni and Mo on Fe{sub 3}Al, hydrogenating ca. 25% of 1-MN by optimizing presulfiding conditions. The NiMo-supported catalyst maintained the ferromagnetic susceptibility after the supporting and hydrogenation reaction. The other type is a gravimetrically recoverable NiMo catalyst supported on hollow spherical carbon particles (Ketjen Black: KB), which have extremely large surface area and low specific gravity. This type of carbon support is expected to allow high dispersion of active species for their highest activity. The higher activities of Ni, Mo-supported KB catalyst for the hydrogenation of 1-methyinaphthalene and the catalytic liquefaction of Wyoming coal were introduced by careful designs of impregnation methods including solvent, species and amounts of metal salts, and oxidation pretreatment of KB support.
- OSTI ID:
- 126507
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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