Process and catalyst for the manufacture of acetic acid

Details Process and catalyst for the manufacture of acetic acid Process and catalyst for the manufacture of acetic acid

2011-07-12

2011-07-12

Zucker, Paul A (Department: 1621)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

C502S216000, C502S230000

Reexamination Certificate

active

07977272

ABSTRACT:
Catalyst system for the production of acetic acid comprising a rhodium carbonylation catalyst, methyl iodide and at least one heteropolyacid promoter.

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White et al, Basic Energy Sciences Subcommittee Subpanel Workshop Report, Opportunities for Catalysis in the 21st Century, May 14-16, 2002, pp. 1-C5.
Hjortkjaer, J., et al; “Rhodium ComplexCatalyzed Methanol Carbonylation. Effects of Medium and Various Additives”;Industrial and Engineering Chemistry, Product Research and Development, American Chemical Society; vol. 16, No. 4; pp. 281-285 (1977) XP000960422.
Smith, B.L., et al; “The Rhodium-Catalyzed Methanol Carbonylation to Acetic Acid at Low Water Concentrations: The Effect of Iodide and Acetate on Catalyst Activity and Stability”;Journal of Molecular Catalysis; vol. 39; pp. 115-136 (1987) XP000578542.

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