METHOD OF TREATING WATER STREAM FROM FISCHER-TROPSCH REACTION Russian patent published in 2013 - IPC C10G2/00 

Abstract RU 2472839 C2

FIELD: chemistry.

SUBSTANCE: method of purifying a stream of water from a Fischer-Tropsch reaction involves: feeding a stream of water containing organic reaction byproducts into a distillation column or a stripping column; condensation of the vapour stream from the top part of the column, and removing the distillation product which is rich in the heaviest byproducts; feeding the partially purified stream of water from the bottom part of the distillation column into the top part of one or more contact heat exchangers; feeding natural gas in the reverse direction into the tail section of the heat exchanger at temperature below the temperature of the stream of water; feeding natural gas which is rich in water and part of the residual organic product from the top part of the heat exchanger into a Fischer-Tropsch apparatus for synthesis of hydrocarbons; feeding the purified cooled water from the heat exchanger directly for further treatment.

EFFECT: efficient separation of organic compounds from water and removal of heat from the same stream.

11 cl, 3 dwg, 1 ex

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RU 2 472 839 C2

Authors

Lokatelli Lino

Klerichi Gabriele

Dates

2013-01-20Published

2009-01-14Filed