COOLING AND PURIFICATION OF GAS STREAMS

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 above the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphat...

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Bibliographische Detailangaben
Hauptverfasser: LOENING, JAN-MARTIN, HOELEMANN, KARL, HEITZ, THOMAS, HECKMANN, MANFRED
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung: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 above 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.