Patents Assigned to Ash Recovery Systems, Inc.

Process for the manufacture of a mineral admixture for use in concrete products by selective sizing and milling of coal ash

Patent number: 11807821

Abstract: Provided are methods or preparing coal ash with acceptable concentrations of sulfur and/or carbon for using making concrete, as well as the coal ash products produced by the described methods.

Type: Grant

Filed: December 30, 2020

Date of Patent: November 7, 2023

Assignee: ASH RECOVERY SYSTEMS, INC.

Inventor: Robert L. Smith
PROCESS FOR THE MANUFACTURE OF A MINERAL ADMIXTURE FOR USE IN CONCRETE PRODUCTS BY SELECTIVE SIZING AND MILLING OF COAL ASH

Publication number: 20210198587

Abstract: Provided are methods or preparing coal ash with acceptable concentrations of sulfur and/or carbon for using making concrete, as well as the coal ash products produced by the described methods.

Type: Application

Filed: December 30, 2020

Publication date: July 1, 2021

Applicant: ASH RECOVERY SYSTEMS, INC.

Inventor: Robert L. Smith
Process to Recycle and Reuse Trona and Coal Combustion Byproducts in a Coal-Fired Power Plant

Publication number: 20180044193

Abstract: A process is developed wherein sodium carbonate is reclaimed from Trona-treated fly ash waste stream, and the fly ash rendered suitable for use as a Pozzolan. The process is a closed system wherein all separated aspects of the waste stream are reused by the generating power plant or offered as a commercial product.

Type: Application

Filed: August 9, 2016

Publication date: February 15, 2018

Applicant: Ash Recovery Systems, Inc.

Inventor: Robert L. Smith

Process for the manufacture of a mineral admixture for use in concrete products by selective sizing and milling of coal ash

PROCESS FOR THE MANUFACTURE OF A MINERAL ADMIXTURE FOR USE IN CONCRETE PRODUCTS BY SELECTIVE SIZING AND MILLING OF COAL ASH

Process to Recycle and Reuse Trona and Coal Combustion Byproducts in a Coal-Fired Power Plant