Dispersion of catalysts with explosives for in situ mining of ca

Details Dispersion of catalysts with explosives for in situ mining of ca Dispersion of catalysts with explosives for in situ mining of ca

1977-07-29

1978-08-08

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Tunnel recovery of fluid material

48DIG6, 166247, 166260, 166265, 166299, 299 13, E21B 4324, E21B 4326, E21C 4110

Patent

active

041052510

ABSTRACT:
Disclosed is a process for generating synthetic fuels from carbonaceous minerals such as oil shale and coal by dispersing a catalytic agent by suitable explosive means into carbonaceous deposits. The explosives serve to fracture and rubblize the carbonaceous mineral as well as conveying the catalyst onto and in close proximity to the fractured particles. The catalyst coated particles are then converted, in whole or part, to gaseous and liquid products by conventional processes such as retorting, gasification, hydroretorting, hydrogenation, or the like, wherein this process or part of it is accelerated, decelerated, or otherwise favored by the presence of the catalytic agent. This process is capable of producing an increased yield and/or better quality product since it is possible to maintain greater control over the conversion step.

REFERENCES:
patent: RE21356 (1940-02-01), Pitzer
patent: 3391739 (1968-07-01), Venghiattis
patent: 3630281 (1971-12-01), Fast
patent: 3661423 (1972-05-01), Garrett
patent: 3692110 (1972-09-01), Grady
patent: 3713487 (1973-01-01), Lozanski
patent: 3722410 (1973-03-01), Hurst
patent: 3794116 (1974-02-01), Higgins
patent: 3951456 (1976-04-01), Ridley
patent: 3986556 (1976-10-01), Haynes
patent: 4043598 (1977-08-01), French et al.

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