Atomic Energy of Canada Limited

Petro-canada

Dirkson D Liu

Barry B Pruden

Anil K Jain

Serge Rivard

Dennis Lambiris

A process for the conversion of a heavy hydrocarbon oil in the presence of hydrogen and a catalyst or additive is described. It is shown that conversion can be increased by injecting an anti-foaming agent or a solution of anti-foaming agent in light oil into the reactor. Significantly better results are obtained when the anti-foam or the solution of anti-foam is injected directly into the top section of the reactor.

Antifoam to achieve high conversion in hydroconversion of heavy oils

The multiple measuring control volume laser Doppler anemometer includes a laser for providing an optical beam. The beam is transformed by an optical arrangement to produce a number V of measuring control volumes wherein each control volume has two focussed optical beams intersecting at a unique predetermined angle .phi.. A detector collects the scattered light from the measuring control volumes in order to determine the velocity at each of the control volumes.

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Ottawa, Canada

Dirkson D Liu