B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) B01D 53/26 (2006.01) B01D 53/28 (2006.01)
Patent
CA 2365338
A process is disclosed for reducing the absorption of aromatics and volatile organic hydrocarbons into a dehydrating composition comprising passing a fluid stream in contact with a water dehydrating composition comprising a glycol selected from triethylene glycol, ethylene glycol, diethylene glycol, or mixtures thereof and a hydrocarbon solubility depressant; optionally the dehydrating composition may also contain a dissolved salt comprising at least one alkali metal carboxylate, an ammonium carboxylate, an alkali metal halide, an ammonium halide, or a mixture thereof.
L'invention concerne un procédé permettant de réduire l'absorption d'aromatiques et d'hydrocarbures organiques volatiles par une composition de déshydratation. Ledit procédé consiste à faire passer un écoulement fluide au contact d'une composition de déshydratation comprenant un glycol, choisi parmi le triéthylène glycol, l'éthylène glycol, le diéthylène glycol ou leurs mélanges, et un agent de diminution de la solubilité des hydrocarbures. Ladite composition de déshydratation peut en outre éventuellement renfermer un sel dissous comprenant au moins un carboxylate de métal alcalin, un carboxylate d'ammonium, un halogénure de métal alcalin, un halogénure d'ammonium ou des mélanges desdits produits.
Bedell Stephen A.
Donate Felipe A.
Downey Joseph R.
Rooney Peter C.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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