FIELD: petroleum processing. SUBSTANCE: process us conducted by way of passing hydrofined fraction together with circulating hydrogen-containing gas through several reactors charged with platinum-containing catalyst, cooling gas product mixture, separating circulating hydrogen-containing gas and removing its excess part from the installation, and stabilizing unstable catalyzate. Circulating hydrogen-containing gas is further replenished with fresh portion of gas whose hydrogen content is by at least 10% superior to that of circulating gas escaping separator after the last reforming reactor, volume of fresh portion representing 30 to 100% based on the volume of removed gas. EFFECT: prolonged service cycle of reforming catalyst. 4 ex
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Authors
Dates
2000-06-20—Published
1999-01-20—Filed