A purification/regeneration process of spent plating baths base on functionalized magnetic nanoparticles.

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The surface treatment industry plays a major role in extending the life of metallic components used in various industrial sectors, as well as on providing high aesthetics in consuming products. The surface treatment sector is a relatively small sector compared to the whole of mechanical engineering and metal working, but it is one of the most significant cross-sectorial manufacturing branches in the European economy. The Global metal finishing market is growing at a CAGR of 6.50% during the period 2014-2020. Among all the segments in the market the inorganic metal finishing market dominates the rest in terms of both market share and volume. Due to the increasing demand from end user industries such as Automotive, Electronics, Aerospace and Consumer goods the global market for inorganic metal finishing technologies was worth 64.2 € billion in 2014 and is expected to reach 95.8 € billion with a CAGR of 6.91% by the end of 2020. Among the inorganic metal finishing technologies inorganic metal finishing processes have the largest share of market worth 42.1 € billion in 2014. PureNano proposes an innovative, low cost, sustainable method for purification of plating baths which will lead to a significant extension of their lifetime (up to 10 times) that will have as a result decrease of operation expenditures of plating shops, decrease of environmental risks from transportation of spent baths and increase of process efficiency and products quality. It is based in the timely treatment of plating baths with functionalized magnetic nanoparticles that can absorb in their surface the contaminants and chemical species that are accumulated.