Importance

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Abstract

A method for a reclamation of waste sand comprising bentonite binder, in which method it is subjected a thermal treatment to the waste sand for removing carbon and absorbed moisture from the bentonite binder in the waste sand, it is subjected a mechanical treatment to the thermally treated waste sand for mechanically separating the sand from the bentonite binder, and it is subjected a cooling effect to the sand separated from the bentonite binder. Additionally, it is introduced an apparatus for a reclamation of waste sand comprising bentonite binder, sand for a building industry product. a foundry sand, or a power plant boiler sand, and a use of reclaimed sand in a building industry product, in a foundry sand, or in a power plant boiler sand.

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First Claim