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A Process for Advanced Recycling of Water Originating from Mining Operations, with Metal Recovery

Verfahren zur stofflichen Verwertung von Bergbauwässern durch Metallrückgewinnung

Un proceso para el reciclado avanzado de agua originada en operaciones mineras con recuperación de metales

一种先进的采矿工业废水处理和金属回收工艺

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Abstract

Water associated with mines and mineral processing, as well as other industrial processes, often contains significant levels of potentially recoverable metals. For example, mineralized water associated with a mining complex in the southern Urals contains high levels of non-ferrous metals (up to 1.1 g/L of Cu and up to 1.8 g/L of Zn). A process has been developed to treat such wastewater as a hydro-mineral resource. Selective extraction of Cu and Zn was incorporated into a proposed water treatment operation by combining techniques such as galvanocoagulation, sorption, and hydrolytic precipitation.

Zusammenfassung

Grubenwässer und Prozesswässer aus der Erzaufbereitung sowie aus anderen industriellen Prozessen führen häufig signifikante Konzentrationen an potentiell gewinnbaren Metallen. So enthalten beispielsweise mineralisierte Wässer aus einem Bergbaukomplex im Südural hohe Konzentrationen an Nichteisenmetallen (bis zu 1,1 g/L Cu und bis zu 1,8 g/L Zn). Entwickelt wurde ein Verfahren zur Metallrückgewinnung aus diesem Abwasser. Der vorgeschlagene Wasserbehandlungsprozess zur selektiven Abtrennung von Cu und Zn basiert auf einer Verfahrenskombination von Galvanokoagulation, Sorption und Hydrolysefällung.

Resumen

El agua asociada a las minas y al procesamiento de minerales, así como a otros procesos industriales, frecuentemente contiene niveles significativos de metales potencialmente recuperables. Por ejemplo, el agua asociada con un complejo minero en el sur de los Urales contiene altos niveles de metales no ferrosos (hasta 1,1 g/L de Cu y hasta 1,8 g/L de Zn). Se desarrolló un proceso para tratar esas aguas de deshecho como una fuente hidromineral. La extracción selectiva de Cu y Zn fue incorporada dentro de la operación propuesta de tratamiento de agua como una combinación de técnicas tales como galvanocoagulación, sorción y precipitación hidrolítica.

摘要

采矿、矿物加工以及其它工业过程产生的废水常含有一定量的可回收金属。例如,南乌拉尔山矿区的废水中就含有高浓度有色金属(铜、锌浓度分别高达1.1 g/L和1.8 g/Ln)。开发了一种将此类工业废水处理成有用矿物质水资源的工艺。同时,电化学凝固、吸附和水解沉淀等技术的引入实现了铜和锌的选性提取回收。.

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Authors and Affiliations

  1. Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Moscow, Russia

    I. V. Shadrunova

  2. Magnitogorsk State Technological University, Magnitogorsk, Russia

    N. N. Orekhova

Authors
  1. I. V. Shadrunova
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  2. N. N. Orekhova
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Correspondence to N. N. Orekhova.

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Shadrunova, I.V., Orekhova, N.N. A Process for Advanced Recycling of Water Originating from Mining Operations, with Metal Recovery. Mine Water Environ 34, 478–484 (2015). https://doi.org/10.1007/s10230-015-0338-4

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  • DOI: https://doi.org/10.1007/s10230-015-0338-4

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