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Title: Double charge composite materials for contaminant removal and methods of making the same

Patent ·
OSTI ID:2294006
; ; ; ;

A method for removing a contaminant from a fluid is provided. A positively charged layered double hydroxide is combined with a negatively charged clay material to form adsorption material. The adsorption material is contacted with an aqueous solution containing the contaminant to adsorb the contaminant onto the adsorption material.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
DOE Contract Number:
NA0003525
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
11,851,350
Application Number:
15/793,613
OSTI ID:
2294006
Resource Relation:
Patent File Date: 10/25/2017
Country of Publication:
United States
Language:
English

References (8)

Progress on layered hydrotalcite (HT) materials as potential support and catalytic materials journal January 2015
Method for purification of the cooling water used in nuclear reactors patent February 1987
Control of pertechnetate sorption on activated carbon by surface functional groups journal January 2007
Desalination of Brackish Waters Using Ion-Exchange Media journal May 2006
Process for producing anionic clay using boehmite which has been peptized with an acid patent October 2004
Compositional and structural control on anion sorption capability of layered double hydroxides (LDHs) journal September 2006
Synthetic hydrotalcite-type and hydrocalumite-type layered double hydroxides for arsenate uptake journal May 2010
Adsorption characteristics of modified sand for the removal of hexavalent chromium ions from aqueous solutions: Kinetic, thermodynamic and equilibrium studies journal January 2013

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