Use of Spent Molding Sand in the Production of Refractories

Resumo

The composition and products of reclamation of spent molding sand made of quartz sand and a pulverized fraction and the potential for its use as a component of a raw mixture of silica brick articles are considered. Results of laboratory and commercial tests employing the technology used in the production of silica brick for coke ovens and the determination of the properties of articles produced from the addition of products from the reclamation of “burnt Earth” are presented.