Production of bricks

Details Production of bricks Production of bricks

1975-03-26

1976-11-30

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 71, 106 736, C04B 3304

Patent

active

039947416

ABSTRACT:
Production of building bricks utilizing as an ingredient thereof, advantageously in substantial or in major proportion of brick-forming compositions or mixtures of ingredients, ore residues obtained from the extraction of lithium values from beta-spodumene. The said residues so utilized result from a process in which beta-spodumene is subjected to a sulfuric acid roast, the lithium values are then extracted from the acid-roast product by an aqueous extraction liquid, followed by neutralization with lime or limestone, and separation of the formed lithium sulfate by filtration, leaving the ore residues which are then utilized in admixture with other ingredients to produce bricks possessing excellent strength and other desirable properties.

REFERENCES:
patent: 2976162 (1961-03-01), Ekdahl
patent: 3215542 (1965-11-01), Tinker
patent: 3279930 (1966-10-01), Van Der Beck
patent: 3690904 (1972-09-01), Spangler
patent: 3879211 (1975-04-01), Klotz

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