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Method for detaching coatings from scrap

  • US 9,339,849 B2
  • Filed: 08/10/2012
  • Issued: 05/17/2016
  • Est. Priority Date: 08/10/2011
  • Status: Active Grant
First Claim
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1. Method for the processing of metal scrap having a surface coating, comprising the following steps:

  • treating metal scrap with at least one fluid to remove surface coatings,determining the position of the scrap pieces and the shape or form of the scrap pieces,making an automated determination of the locations on the scrap pieces based on the positions so ascertained and the shape or form of the scrap pieces whereby a spectroscopic analysis of the composition can be performed,spectroscopically analyzing the scrap metal composition,sorting the metal scrap materials according to the composition of the scrap metal, andtreating the fluid whereby to recover the metal contained in the surface coatings.

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