Invention Grant
- Patent Title: Method and composition to reduce the amounts of arsenic in water
- Patent Title (中): 减少水中砷含量的方法和组成
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Application No.: US11284440Application Date: 2005-11-21
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Publication No.: US07790653B2Publication Date: 2010-09-07
- Inventor: Cathleen Joyce Webb , Arden Duane Davis , David John Dixon
- Applicant: Cathleen Joyce Webb , Arden Duane Davis , David John Dixon
- Applicant Address: US SD Rapid City
- Assignee: South Dakota School of Mines & Technology
- Current Assignee: South Dakota School of Mines & Technology
- Current Assignee Address: US SD Rapid City
- Agency: Gordon & Rees LLP
- Main IPC: B01J20/00
- IPC: B01J20/00

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.
Public/Granted literature
- US20060186054A1 Method and composition to reduce the amounts of arsenic in water Public/Granted day:2006-08-24
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