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ISSN: 2306-1774 (Online)

ISSN: 2079-7958 (Print)

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Study of the precipitation of metal powder from industrial waste


UDC 621.762

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abstract


The identification of regularities for maximum extraction of metal powders at the lowest cost of precipitating reagent from electroplating waste is conducted in the article. The experiments were aimed at identifying of the optimum deposition parameters, allowing to obtain the maximum yield of carbonates of nickel and copper with the greatest speed. It was revealed that the greatest mass of sludge was observed at concentrations of the solution of precipitating reagent containing 40 – 100 g/l.

The processing of the experimental data with the package «STATISTICA for WINDOWS» was conducted, the regression model was calculated and the graphic interpretation of the data was carried out.

The method for producing metal powder from carbonates and hydroxy-carbonate was considered. The polymetallic composite material containing 81,2 % copper, 8,5 % nickel and 10,3 % zinc. was obtained. The filtrate remaining after the separation of heavy metals is environmental hazard and suitable for further use in construction.

Study of the precipitation of metal powder from industrial waste

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Publisher's imprint


Sheleg Valerij. Study of the precipitation of metal powder from industrial waste / Valerij Sheleg, Andrey Kauchur, Sergei Denisenko // Vestnik of Vitebsk State Technological University. ─ 2016. ─ Issue 2(31). ─ P. 91.