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Hydrometallurgical continuous treatment of ZnO enriched powders for metal zinc production

Ziel

Through extensive experimentation on a demonstration plant the aim of the project is to generate the criteria and design equations to develop at industrial scale a continuous hydro metallurgical process conceived for the treatment of powders produced from an existing industrial pyro metallurgical treatment of EAF dusts which arise from the production of plain carbon steels and stainless steels.

These powders, consisting of a mixture of oxides rich in ZnO, are treated to obtain, as final product, metal zinc at a production rate of 500kg/day, as well as marketable secondary raw materials.

The corresponding ecological hydro metallurgical plant is composed of a series of reactors for dissolution of powders, purification of the solution and final electrolysis to obtain metal zinc suitable for use in galvanizing lines.

The hydro metallurgical plant is located at ThyssenKrupp Acciai Speciali Terni Steelworks in Terni. The technical feasibility and economic convenience of the whole pyro-metallurgical and hydro-metallurgical chain of the Full-Rec technology will be assessed in view of its industrial exploitation.

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Koordinator

CENTRO SVILUPPO MATERIALI SPA
EU-Beitrag
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Adresse
Via di Castel Romano 100/102
ROMA
Italien

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Beteiligte (3)