Title: Process for obtaining a building material comprising hydrated lime and plaster

Abstract: Natural or synthetic gypsum is reacted with quicklime in any desired proportions, the heat needed for the complete conversion of gypsum in plaster being supplied, on the one hand, by the exothermic reaction of hydration of the quicklime and, on the other hand, by an external supply of calories obtained by indirect heating of the reaction mixture. This indirect heating may be effected by convection and conduction or by radiation from a metallic wall.

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Inventors: Dumont, Philippe A. (Stockay, BE)

Application Number: 364932
Filing Date: 1973-05-29
Publication_date: 1976-03-23
Assignee: Carrieres Et Fours A Chaux Dumont-Wautier (BE)
Primary Class(es): 106/786 106/783
Other Classes:
US Patent Ref:

1967959	Jul, 1934	McAnally	106/110.
2063488	Dec, 1936	Choate et al.	106/110.
2127952	Aug, 1938	Choate	106/110.
3827897	Aug, 1974	Dumont	106/110.

Other Refs: 10,130

Dec, 1914	UK

Primary Examiner: Garvin, Patrick P.
Assistant Examiner: Sheehan, John P.
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson