Thermal decomposition of dilute aqueous formic acid solutions

Research output: Contribution to journalJournal article – Annual report year: 1992Researchpeer-review

  • Author: Bjerre, A.B.

  • Author: Sørensen, E.

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The aqueous-phase oxidation of formic acid and formate has been studied in a batch autoclave reactor at 260-degrees-C and 2 MPa of O2. The formate is converted to bicarbonate whereas formic acid, besides oxidation, decomposes by at least two different routes, namely a dehydration or a decarboxylation. In particular the second one is dependent on the reactor vessel used. It is shown to be catalyzed by a mixture of oxides of stainless steel components. The presence of CH3COOH or CH3CHO promotes the decomposition of HCOOH by way of both decarboxylation and oxidation. In any case formic acid is a relatively short-lived intermediate in the wet-oxidation process.
Original languageEnglish
JournalIndustrial & Engineering Chemistry Research
Volume31
Issue number6
Pages (from-to)1574-1577
ISSN0888-5885
DOIs
Publication statusPublished - 1992
CitationsWeb of Science® Times Cited: No match on DOI
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