Method and apparatus for multiphase coal hydrogenation reactors

Details Method and apparatus for multiphase coal hydrogenation reactors Method and apparatus for multiphase coal hydrogenation reactors

1985-10-21

1987-09-29

Metz, Andrew H.

Mineral oils: processes and products

By treatment of solid mineral, e.g., coal liquefaction, etc.

Specified agitation or circulation in gas contact zone

208412, 208159, 208142, 422203, 422205, C10G 100, B01J 1000

Patent

active

046967354

ABSTRACT:
A practically isothermal temperature distribution of the reactor contents is obtained, especially for high temperature and pressurized hydrogenation reactors operating in the sump-phase by a hydrogenation gas passing over the outer region of the reaction chamber, so that the hydrogenation gas cools the reaction in the chamber. Additionally, the reaction heat which is extracted by the hydrogenation gas is used to heat the reaction components at a stage in the hydrogenation process. The major portion of the reaction heat is used to heat charges, preferably for the reactors, which charges contain no appreciable amounts of solid material. These charges, preferably comprising hydrogenation gas, preferably pass through a jacket space between the reaction chambers and the external portion of the reactors, which external portions preferably make contact with the atmosphere. Only comparatively small quantities of a cold gas, mixed into the reactors for the cooling thereof, are required to establish the desired isothermal temperature distribution.

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