C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/265 (2006.01) B01D 3/00 (2006.01) B01D 3/14 (2006.01) C07C 63/00 (2006.01) C07C 63/15 (2006.01)
Patent
CA 2601941
A process and apparatus for manufacture of aromatic carboxylic acids comprises a liquid phase oxidation of aromatic hydrocarbon feed materials and treatment of a high pressure off-gas from the liquid phase oxidation to separate water and reaction solvent and preferentially apportion liquid phase oxidation by- product species between gas and liquid phases resulting from separation. Processes for making pure forms of aromatic carboxylic acid also are included.
Le procédé et l~appareil pour préparer des acides carboxyliques aromatiques selon la présente invention comprennent une oxydation en phase liquide de matériaux d'alimentation de type hydrocarbure aromatique et le traitement d'un gaz d'échappement à haute pression provenant de l'oxydation en phase liquide pour séparer l'eau et le solvant de la réaction et, de préférence, la répartition des produits secondaires de l'oxydation en phase liquide entre phases gazeuse et liquide résultant de la séparation. L~invention englobe également les procédés de préparation des formes pures de l'acide carboxylique aromatique.
Bartos Thomas M.
Leung Linus K.
Bp Corporation North America Inc.
Gowling Lafleur Henderson Llp
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