Based on the characteristics of used sodium silicate sand and the different use requirements for recycled sand, "dry reusing and wet reclaiming of used sodium silicate sand" is considered as the most suitable technique for the used sand. When the recycled sand is used as support sand, the used sand is only reused by dry process including breaking, screening, dust-removal, etc., and it is not necessary that the used sand is reclaimed with strongly rubbing and scraping method, but when the recycled sand is used as facing sand (or single sand), the used sand must be reclaimed by wet method for higher removal rate of the residual binders. The characteristics and the properties of the dry reused sand are compared with the wet reclaimed sand after combining the different use requirements of support sand and facing sand (or single sand), and above the most adaptive scheme has also been validated.

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rate residual scheme facing wet reclaiming screening dustremoval silicate sand support

Zitian FAN,Naiyu HUANG,Huafang WANG,.Dry reusing and wet reclaiming of used sodium silicate sand. 2 (1),.

Zitian FAN,Naiyu HUANG,Huafang WANG,"Dry reusing and wet reclaiming of used sodium silicate sand" 2

Zitian FAN,Naiyu HUANG,Huafang WANG,"Dry reusing and wet reclaiming of used sodium silicate sand"