Recovery of copper etching By Baoji Longsheng Nonferrous Metal Co., Ltd,
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Recovery of copper etching
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Recovery of copper etching

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Baoji Longsheng Nonferrous Metal Co., Ltd

Baoji Longsheng Nonferrous Metal Co., Ltd

China

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Personne à contacter Mr. Dragon

High-tech Development Zone, Baoji, Shaanxi

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ProductContent Etching is a key process in the production of printing-wire plate. The density of copper-ion in etching liquid will continuously increase as the etching time goes on, and etching liquid will lose reactivity when density is up to **0 g/L. It can be recycled because there is a lot of copper in waste etching liquid, and there are two processes: The first, extracting recycle by putting additive; Second, direct recycling. The first extracting recycle will be introduced briefly as follows: Waste etching liquid **- Extract copper **- H2SO4 Anti-extract **- electrolytic recycling copper The process condition of electrolyzing copper sulfate: Cu2+ Density **0g/L?*0% H2SO4 ?*0??Density of anode current **0—**0A /m2. The coated-titanium electrode is plate-shape, size of ***0***0mm, and both sides coated, which has currently applied in many PCB factory. The service life is exceeding 2 years, and the longest one can be up to 5 years.

Pays: China
N ° de modèle: Recovery of copper etching
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Mots-clés correspondants Baoji Longsheng Nonferrous Metal Co., Ltd

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