PERIPHERAL COATING PROCESS OF THE COPPER CONDUCTIVE BAR FOR THE MANUFACTURE OF ANODES, USED IN THE PROCESSES OF ELECTRO-OBTAINING OR ELECTRO-REFINING OF METALS
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United States of America Patent
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Issued Date -
Nov 5, 2020
app pub date -
May 1, 2020
filing date -
May 3, 2019
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Abstract
The invention describes the assembly and construction method for anodes used in the electrolytic processes. It is made up of a copper bus bar (1) where the plate shall be inserted (3). It has a rough surface previously milled to form a groove (2), which is, approximately, 0.12 mm thicker than the thickness of the plate; approximately, 19 mm deep. Such copper bus bar (1) is first subject to a process mechanical/chemical or electrochemical process aimed to significantly increase its roughness, between 0.01 mm and 0.5 mm, preferably 0.15 mm, by using mechanical processes, such as sand blasting or grinding, preferably grinding with blasting material made of various metals or using glass balls/copper slag or chemical corrosion by using oxidant chemical agents or anodic electrolytic corrosion aimed to finally improve bonding between the copper bar.
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