Dehumidification drying of red oak. Part 2. Cause of cooling coils corrosion in heat pumps

Daniel Solliday, Benjamin E. Dawson-Andoh, John J. Renton, James P. Armstrong, Paul Jagodzinski, Candace M. Coyle

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Dehumidification kiln-drying of red oak lumber resulted in the corrosion of cooling coils in a laboratory kiln. Cooling coils in industrial kilns protected by anti-corrosion finishes did not exhibit any signs of corrosion. Laboratory kiln-drying condensates were characterized by a bluish tinge and produced blue crystals upon evaporation. X-ray diffraction analysis of the kiln condensate blue crystals identified them as copper acetate monohydrate. This identification was further supported by Fourier transform infrared and UV-visible spectra of condensate crystals.

Original languageEnglish (US)
Pages (from-to)33-36
Number of pages4
JournalForest Products Journal
Volume49
Issue number9
StatePublished - Sep 1999
Externally publishedYes

ASJC Scopus subject areas

  • Forestry
  • Materials Science(all)
  • Plant Science

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