Solvent degreasing in metal industry

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  • Solvent degreasing flowsheet


Solvent degreasing in surface industry1.jpg

Literatur: BAT Surface Treatment of Metals & Plastics, 2006


General flowsheet for surface treatment of metals & plastics.jpg


  • Typical parameters of the process
Process Temperature [°C] Heat transfer medium Residence time Chemicals Concentration Details Literature
Cold cleaning Chlorinated hydrocarbons (CHC), alcohols, terpenes, ketones, mineral spirits or hydrocarbons BAT for the surface treatment of metals and plastics, August 2006
Vapour cleaning Chlorinated hydrocarbones (CHC), hydrcarbones vapourized solvent
Degreasing in emulsion 60-90 Aqueous solution with solvent (paraffin oil, benzole) and surface active- substance that lowers surface tension (triethanolaminoleate) spray degreasing or use in washing drum Oberflächenbehandlung von Aluminium; T.W. Jelinek; Eugen G. Leuze Verlag, D-88348, 1997


  • Solvent degreasing


Solvent degreasing in surface industry3.jpg


Solvent degreasing in surface industry4.jpg

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


  • Energy losses from the surface area of heated process solutions


Solvent degreasing in surface industry5.jpg

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



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