Cooling and purification of gas streams

Details Cooling and purification of gas streams Cooling and purification of gas streams

2011-06-14

2011-06-14

Smith, Duane (Department: 1776)

Gas separation: processes

Liquid contacting

Organic gas, liquid particle, or solid particle sorbed

C095S149000, C095S199000, C095S223000, C095S228000, C560S078000

Reexamination Certificate

active

07959713

ABSTRACT:
Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.

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Ullmann's Encyclopedia of Industrial Chemistry, 6th edition, 2000 Electronic Release, Wiley-VCH, Weinheim 2000, p. 237.

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