Sand used in industry
AssigneeFinn Recycling Oy
InventorsJukka NIEMINEN, Toni WESIN, Kalle KEKÄLÄINEN
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Abstract
In the disclosed solution, a method is described for producing sand used in industry, in which method dis-carded power plant and/or foundry sand is processed into sand for use in products of the construction industry and/or into foundry sand by means of pre-treatment, drying, and after-treatment. In addition, an apparatus is described for producing sand used in industry, and use of discarded power plant and/or foundry sand in products of the construction materials industry or in foundry industry.
Claims13
A method for producing sand used in industry, in which method discarded power plant sand is processed into sand for use in products of the construction industry and/or into foundry sand by means of pre-treatment, drying, and after-treatment.
An apparatus for producing sand used in industry, the apparatus comprising means adapted to process discarded power plant sand into sand to be used in products of the construction industry and/or as foundry sand by means of pretreatment, drying, and after-treatment.
Sand for products of the construction industry and/or for foundry sand, comprising pretreated, dried and after-treated discarded power plant sand.
Use of discarded power plant sand in products of the construction materials industry or in foundry industry, wherein discarded power plant sand has been processed by means of pretreatment, drying, and after-treatment.
Dependencies are inferred from the claim text.