Difference between revisions of "Aqueous cleaning in metal industry"

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Revision as of 14:59, 24 November 2010

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  • Aqueous cleaning flowsheet


Aqueous cleaning flowsheet1.jpg

Literature: BAT of Surface Treatment of Metals & Plastics, 2006


Aqueous cleaning flowsheet4.jpg


  • Typical parameters of the process
Process Temperature [°C] Heat transfer medium Residence time Chemicals Concentration Details Literature
Aqueous cleaning in process solution bath 40-90 Several minutes alkalis or acids, silicates, phosphates and complexing and wetting agents BAT for the surface treatment of metals and plastics, August 2006
Aqueous cleaning in spray bath 40-90 Chlorinated hydrocarbones (CHC), hydrcarbones


  • Energy losses from the surface area of heated process solutions


Aqueous cleaning flowsheet5.jpg

LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005



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