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Utilization of Phosphorus Furnace Slag in Ceramic Wall and Floor Tile.

Authors
Valdez-EG; Dean-KC; Warner-LL
Source
NTIS: PB 231 179 :12 pages
Link
NIOSHTIC No.
10009105
Abstract
Laboratory research demonstrated that ceramic wall and floor tile can be produced from electric furnace phosphorus slags composed of calcium silicates. Grinding the slag in a pebble mill, followed by magnetic removal of deleterious magnetite, produced a raw material that could be compounded and formed into wall tile by dry pressing, sintering, and glazing. The effects of process variables such as forming pressure and sintering temperature were investigated. Wall tile bodies produced by this method were comparable to commercial tile. The tiles were readily glazed to a smooth shiny finish and met ASTM specifications c34-62 for structural clay load-bearing tile. The estimated cost of producing wall tile by this method compared favorably with the retail market value for similar wall tile. Addition of borax or other additives to the ground slag followed by dry pressing and firing likewise produced a commercial grade of floor tile.
Publication Date
19740101
Document Type
IH; Report of Investigation;
Fiscal Year
1974
NTIS Accession No.
PB-231179
NTIS Price
A03
Identifying No.
RI 7829
NIOSH Division
SLRC;
Source Name
NTIS: PB 231 179
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