Ecology is the main driver in the development of regeneration processes for spent foundry sand. Legislation tends to set increasingly restrictive limits on disposing of industrial waste. In recent decades, various technologies have been developed for regenerating foundry sand, and some of these are well established now, especially mechanical recovery of the used sand coming from the no-bake forming process, as well as the thermal regeneration of cores, or no-bake sands. New or regenerated ...

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