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Hf extraction of high sulfur gas oil

阅读:108发布:2022-02-18

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1. IN A PROCESS FOR EXTRACTING SULFUR-CONTAINING HYDROCARBON CHARGING STOCK WITH HYDROGEN FLUORIDE WHICH INCLUDES THE STEPS OF CONTACTING THE CHARGING STOCK WITH HYDROGEN FLUORIDE IN AMOUNTS AND UNDER CONDITIONS INCLUDING A CONTACTIANG TEMPERATURE IN THE RANGE OF 80* TO 150*F. FOR FORMING SEPARATE LIQUID PHASES, SEPARATELY STRIPPING EACH OF SAID PHASES FOR REMOVING HYDROGEN FLUORIDE THEREFROM AND DEHYDRATING AND RECYCLING REMOVED HYDROGEN FLUORIDE, IN WHICH PROCESS H2S TENDS TO ACCUMULATE AT A PLURALITY OF PLACES, THE IMPROVED METHOD OF OPERATION WHICH COMPRISES REMOVING STREAMS OF H2S FROM THE PLACES AT WHICH IT TENDS TO ACCUMULATE, COMBINING THE REMOVED H2S STREAMS TO FORM A SINGLE GAS STREAM, COMPRESSING SAID GAS STREAM, COOLING THE COMPRESSED STREAM AND REMOVING HYDROGEN FLUORIDE FROM SAID STREAM AFTER SAID COOLING STEP.
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