Electrical and electronic equipment
HPP
HIGH PURITY SECONDARY ALUMINIUM OXIDE FOR LED AND ELECTRONIC COMPONENT MANUFACTURING
HIGH PURITY ALUMINA (HPA) IS A HIGHLY DEMANDED PRODUCT OF HIGH ECONOMIC VALUE AND CRITICAL TO MANUFACTURE SYNTHETIC SAPPHIRE, which is widely used in the manufacture of electrical and electronic components. Typical HPA production is linked to very expensive raw materials with high energy costs and subject to environmental policies. Secondary aluminium oxide is a source of alumina with impurities and a potential alternative raw material to produce HPA. Since quality requirements are very demanding, the chief technological challenge is to maximise aluminium oxide purity.
BEFESA, a leading European company in hazardous waste recycling services for the aluminium industry, has worked in different lines to recover secondary aluminium oxide as an alternative raw material to bauxite.
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