Paper Title:
Influence the Thermal Process of the Removing the Varnish Coats to the Cleanness of the Surface Aluminium Scrap
  Abstract

The recycling of aluminium packagings is the complex process in due to of the variety of applied varnishes. The compounds of these varnishes in the raised temperature are decomposed and the reactions products may be: gas and/or carbon and in some cases mineral compounds from pigments and the filling materials. Removing the layer organic from aluminium packagings be holds mainly on the thermal processes. In the paper are described the results of removing the varnish coats from surface of the aluminium cans for drinks. The investigations were carried out in the rotary furnace (Linn High Therm) in the temperatures 620 oC in air atmosphere. The surface of sheet after thermal process was submitted the chemical microanalysis on the scanning microscopes Inspect F. It was found that it is possible to obtain practically no oxidizing surface of aluminum sheet. On the surface were the solid residues from mineral pigments and filling materials e.g. oxides Ti, Ba and Si.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
876-881
DOI
10.4028/www.scientific.net/MSF.638-642.876
Citation
M. Litwińczyk-Kwaśnicka, M. Rozpondek, J. Siwka, "Influence the Thermal Process of the Removing the Varnish Coats to the Cleanness of the Surface Aluminium Scrap", Materials Science Forum, Vols. 638-642, pp. 876-881, 2010
Online since
January 2010
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