A low energy process for producing acetic acid by the carbonylation of methanol is
disclosed. The process involves a rhodium-catalyzed system operated at less than about …

Disclosed is a method to manufacture high purity acetic acid. Although described in relation
to that produced by a low water carbonylation process the present invention is applicable to …

(57) ABSTRACT A method and apparatus for Sequestering entrained or Vola tile catalyst
Species in a carbonylation process includes contacting the product Stream with a vinyl …

(52) US Cl. 562/608: 562/519 An improved process is disclosed for producing acetic
acid,(58) Field of Classification search. s 562/517 including the following steps: reacting a …

(*) Notice: Subject to any disclaimer, the term of this EP O 687 662 12/1995 patent is
extended or adjusted under 35 JP 9-40590 2, 1997 USC 154 (b) by 393 days. OTHER …

A process for the reduction and/or removal of permanganate reducing compounds formed
by the carbonylation of methanol in the presence of a Group VIII metal carbonylation catalyst …

A process for stably producing high purity acetic acid comprising a condensation step for
condensing and temporarily holding the lower boiling component in a decanter and …

Acetic acid is produced while inhibiting increased concentra tions of hydrogen iodide and
acetic acid in an acetaldehyde distillation column. A production process of acetic acid …

The present invention is directed at using a pressurized distillation column that is operated
at higher temperatures than an atmospheric tower to remove AcH, as an overhead, from a …

This invention relates to an improved process for the removal of permanganate reducing
compounds and alkyl iodides formed by the carbonylation of methanol in the presence of a …