C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 2/00 (2006.01)
Patent
CA 2564721
During the necessary change-over to a holding operation of the Fischer-Tropsch synthesis as a result of problems leading to a runaway reaction of the Fischer--Tropsch reactions, the reactor is not depressurised after cutting off the supply of fresh synthesis gas to the Fischer-Tropsch reactor and the temperature is not reduced to below the temperature below which a Fischer-Tropsch reaction no longer takes place, but the reactor is charged with an inert gas free from catalyst poison which gas is kept in a vessel at a pressure higher than the operating pressure of the Fischer-Tropsch synthesis until the reacting components have been flushed out from the FT system via the pressure holding valve. During this process, the reactor is merely inerted for a few seconds while maintaining the pressure and the temperature, and the Fischer-Tropsch reaction is thus interrupted. Catalyst damage does not occur and a change to the liquid phase situation on the catalyst is also reduced and/or does not occur, which facilitates the subsequent commissioning phase.
Althapp Anton
Rueger Dietmar
Schulze Olaf
Wolf Bodo M.
Choren Industries Gmbh
Marks & Clerk
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