QUENCHING VACUUM DISTILLATION COLUMN WASH ZONE LIQUID
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United States of America Patent
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Jul 20, 2017
app pub date -
Jan 14, 2016
filing date -
Jan 14, 2016
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Abstract
A crude separation unit comprises a feed heater, a distillation column comprising a wash zone and a flash zone, a wash zone outlet line fluidly coupled to the distillation column in the wash zone, and a wash oil circulation loop. The feed heater comprises a feed line and a heater outlet line, and the heater outlet line is fluidly coupled to the distillation column in the flash zone. The wash oil circulation loop comprises a fluid conduit disposed in a loop, a pump disposed in the loop, a heat exchanger disposed in the loop, and a recycle line fluidly coupling the fluid conduit and the feed line. The wash zone outlet is fluidly coupled to the fluid conduit.
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