Patent · US Active

Salt separation and destruction of PFAS utilizing reverse osmosis and salt separation

US11407666B2 · kind B2 · utility

6Cited by

19References

19Claims

0Family size

Assignee

Battelle Memorial Institute · CH

Inventors

Stephen H. Rosansky · Tampa, US
Michael M. Miller · Powell, US
Patrick Norris · Columbus, US
Darwin Argumedo · Columbus, US
Douglas Hendry · Haarlem, NL
Ian Haggerty · Dublin, US
Keith Brown · Solon, US
Joshua James · Columbus, US
Joseph Casciano · Columbus, US
Slawomir Winecki · Columbus, US
Vivek Lal · Columbus, US
Tom McGuinness · Columbus, US

Key dates

Filing date	Aug 6, 2021
Grant date	Aug 9, 2022
Priority date	—
Expiry date	Aug 6, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W10/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water is concentrated in a reverse osmosis step and salt from the resulting solution is removed in supercritical conditions prior to destruction of PFAS in supercritical conditions.

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