USRE30943EExpiredUtility

Stabilized mixture

Priority: Feb 2, 1976Filed: Aug 21, 1979Granted: May 25, 1982
Est. expiryFeb 2, 1996(expired)· nominal 20-yr term from priority
Y02W30/91C04B 18/162C04B 28/04
44
PatentIndex Score
21
Cited by
3
References
8
Claims

Abstract

A mixture consisting essentially of fly ash and cement kiln dust which reacts at ambient temperature with water to produce a durable mass.

Claims

exact text as granted — not AI-modified
I claim: 
     
       1. A mixture consisting essentially of fly ash and cement kiln dust. 
     
     
       2. The mixture set forth in claim 1 including an amount of portland cement. 
     
     
       3. The mixture set forth in claim 1 wherein said cement kiln dust comprises about 12% by dry weight and said fly ash comprises about 88% by dry weight. 
     
     
       4. The method which comprises mixing fly ash, cement kiln dust and water and permitting the mixture to react at ambient temperatures to produce a durable mass. 
     
     
       5. The method set forth in claim 4 wherein said .[.fly ash.]. .Iadd.cement kiln dust .Iaddend.comprises about 12% by dry weight of the total of fly ash and cement kiln dust and the .[.cement kiln dust.]. .Iadd.fly ash .Iaddend.comprises about 88% by dry weight of the total of fly ash and cement kiln dust. 
     
     
       6. The mixture set forth in claim 1 including about 1% portland cement. 
     
     
       7. The mixture set forth in claim 1 wherein the fly ash comprises the major constituent. 
     
     
       8. The method set forth in claim 4 including mixing about 1% portland cement with said fly ash and cement kiln dust.

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