Stabilized mixture

• US 4,101,332 A
• Filed: 02/04/1977
• Issued: 07/18/1978
• Est. Priority Date: 02/02/1976
• Status: Expired due to Term

• Current Assignee: Nicholson Realty Limited
• Original Assignee: Nicholson Realty Limited
• Inventors: Nicholson, John Patrick
• Primary Examiner(s): Poer, J.
• Application Number:
  US05/765,837
• Time in Patent Office: 529 Days
• Field of Search: 106/85, 106/97, 106/118, 106/DIG. 1
• US Class Current: 588/256
• CPC Class Codes: C04B 14/28 of calcium
• CPC Class Codes: C04B 18/08 Flue dust , i.e. fly ash
• CPC Class Codes: C04B 18/162 Cement kiln dust; Lime kiln dust
• CPC Class Codes: C04B 28/021 Ash cements, e.g. fly ash cements fly ash as filler C04B18/08; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration alkali-activated combustion residues as such C04B7/243; mixtures of the lime-pozzuolane type C04B28/18; Kiln dust cements
• CPC Class Codes: C04B 28/18 containing mixtures of the silica-lime type
• CPC Class Codes: C04B 7/02 Portland cement
• CPC Class Codes: C04B 7/24 Cements from oil shales, residues or waste other than slag
• CPC Class Codes: Y02P 40/10 Production of cement, e.g. improving or optimising the production methods; Cement grinding
• CPC Class Codes: Y02W 30/91 Use of waste materials as fillers for mortars or concrete
• CPC Class Codes: Y10S 106/01 Fly ash
• CPC Class Codes: Y10S 588/901 Compositions

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

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.

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.

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 comprises about 12% by dry weight of the total of fly ash and cement kiln dust and the cement kiln dust comprises about 88% by dry weight of the total of fly ash and cement kiln dust.

8. The method set forth in claim 4 including mixing about 1% portland cement with said fly ash and cement kiln dust.