Arden D. Davis
Engineers in Rapid City, SD
License number
South Dakota 4663
Expiration Date
Dec 31, 2018
Category
Professional Engineer
Type
Mining & Mineral Processing
Address
Address
501 E St Joseph St, Rapid City, SD 05771
Phone
(605) 394-2473
Personal information
See more information about Arden D. Davis at radaris.comName
Address
Phone
605 S 6Th Ave, Sioux Falls, SD 57104
Professional information
See more information about Arden D. Davis at trustoria.com
Method And Composition To Reduce The Amounts Of Heavy Metal In Aqueous Solution
Method And Composition To Reduce The Amounts Of Heavy Metal In Aqueous Solution
US Patent:
2012014, Jun 14, 2012
Filed:
Oct 14, 2011
Appl. No.:
13/274140
Inventors:
Arden D. DAVIS - Rapid City SD, US
Cathleen J. Webb - Bowling Green KY, US
Jenifer Sorensen - Rapid City SD, US
Terrence E. Williamson - Rapid City SD, US
David J. Dixon - Rapid City SD, US
Cathleen J. Webb - Bowling Green KY, US
Jenifer Sorensen - Rapid City SD, US
Terrence E. Williamson - Rapid City SD, US
David J. Dixon - Rapid City SD, US
International Classification:
C02F 1/62, C02F 1/64, B01J 20/04, C01F 11/18, C09K 3/00, B01J 20/02, B01D 15/04, C01B 31/00
US Classification:
210688, 210681, 4234191, 423430, 252184, 502400
Abstract:
The present invention relates to a method for removing heavy metals from aqueous solutions by contacting heavy metal-contaminated water with a sorption media, or in particular with carbonate minerals. The present invention also relates to methods of using modified sorption media, such as aggregates of carbonate minerals and modified carbonate minerals, for the removal of heavy metals.
Method And Composition To Reduce The Amounts Of Arsenic In Water
Method And Composition To Reduce The Amounts Of Arsenic In Water
US Patent:
2006018, Aug 24, 2006
Filed:
Nov 21, 2005
Appl. No.:
11/284440
Inventors:
Cathleen Webb - Bowling Green KY, US
Arden Davis - Rapid City SD, US
David Dixon - Rapid City SD, US
Arden Davis - Rapid City SD, US
David Dixon - Rapid City SD, US
International Classification:
C02F 1/28
US Classification:
210688000, 210681000
Abstract:
The present invention relates to a method for removing arsenic in arsenic contaminated water, especially for small drinking water systems such as those used in individual homes, rural areas, and small communities, by simply contacting arsenic-contaminated water with an arsenic removal medium. The present invention also relates to the composition of the arsenic removal medium, which comprises particles of calcium carbonate minerals and magnesium carbonate aggregates.