Difference between revisions of "Solvent degreasing of aluminiunm"

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(New page: Back to EFFICIENCY FINDER OF METAL INDUSTRY *;Additional information *;Solvent degreasing Aluminium Example flowshee...)
 
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| align="center" style="background:#2266CC;"|'''Process'''
 
| align="center" style="background:#2266CC;"|'''Process'''
 
| align="center" style="background:#2266CC;"|'''Temperature [°C]'''
 
| align="center" style="background:#2266CC;"|'''Temperature [°C]'''
| align="center" style="background:#2266CC;"|'''Degreasing agent'''
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| align="center" style="background:#2266CC;"|'''Chemicals'''
| align="center" style="background:#2266CC;"|'''Concentration'''
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| align="center" style="background:#2266CC;"|'''Residence time'''
 
| align="center" style="background:#2266CC;"|'''Details'''
 
| align="center" style="background:#2266CC;"|'''Details'''
 
| align="center" style="background:#2266CC;"|'''Literature'''
 
| align="center" style="background:#2266CC;"|'''Literature'''
 
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| style="background:#AACCEE;"| Degreasing in coating processes|| align="center"| 60-85|| align="center"| Alcaline containing phosphate, containing mainly sodium hydroxides, orthophosphates and surfactant compounds|| align="center"| 40-50 g/l|| align="center"| pH~13|| align="center"| BAT for the surface treatment of metals & plastics, 2006
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| style="background:#AACCEE;"| Degreasing in emulsion|| align="center"| 60-90|| align="center"| aqueous solution + solvent 8paraffin oil, benzul) + surface-active substances that lowers surface tension (triethanolaminoleate)|||| align="center"| spray-degreasing or use in washing drum|| align="center"| Oberflächenbehandlung von Aluminium; T.W. Jwlinek; Eugen G. Leuze Verlag, D-88348,1997
 
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Revision as of 12:58, 16 November 2010

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  • Solvent degreasing Aluminium


Example flowsheet:

Chemical-Milling sequence, especially for Aluminium:


Solvent degreasing Aluminium.jpg

Literature: BAT Surface Treatment of Metals & Plastics, 2006


  • Typical parameters of the process
Process Temperature [°C] Chemicals Residence time Details Literature
Degreasing in emulsion 60-90 aqueous solution + solvent 8paraffin oil, benzul) + surface-active substances that lowers surface tension (triethanolaminoleate) spray-degreasing or use in washing drum Oberflächenbehandlung von Aluminium; T.W. Jwlinek; Eugen G. Leuze Verlag, D-88348,1997


Composition of some alkaline degreasers.jpg

Source: Oberflächenbehandlung von Aluminium; T.W. Jelinek; Eugen G. Leuze Verlag, D-88348; 1997


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