Patent · US Active

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

US11851350B1 · kind B1 · utility

0Cited by
2References
11Claims
0Family size

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Key dates

Filing dateOct 25, 2017
Grant dateDec 26, 2023
Priority date
Expiry dateJan 30, 2038

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F1/281
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.