Small particle size lightweight aggregate

Details Small particle size lightweight aggregate Small particle size lightweight aggregate

1994-04-18

1994-12-27

Group, Karl

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106484, 106485, 428404, 588253, C04B 1404

Patent

active

053761715

ABSTRACT:
A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin mixer to encapsulate substantially all other non-volatile inorganic solid materials present in micropellets having a diameter not exceeding about six mesh. The spheroidal micropellets are then fired at a temperature of at least 2,000.degree. F. to oxidize all volatile organic compounds present. The light-weight aggregate of micropellets can advantageously-be used to replace sand in a cement or concrete matrix, as a well as for numerous other uses.

REFERENCES:
patent: 2471769 (1949-05-01), Nanna
patent: 3131919 (1964-05-01), Hartley
patent: 3244408 (1966-04-01), Brownlie
patent: 3807702 (1974-04-01), Grillo
patent: 4207061 (1980-06-01), Ikenaga
patent: 4606647 (1986-08-01), Frye
patent: 4657810 (1987-04-01), Douden
patent: 4744831 (1988-05-01), Beck
patent: 4873207 (1989-10-01), Keller, Jr.

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