Treatment of aqueous waste solutions
First Claim
Patent Images
1. THE PROCESS WHICH COMPRISES CONTACTING AN AQUEOUS WASTE SOLUTION CONTAINING ORGANIC ANIONIC SURFACE ACTIVE AGENTS WITH A LIQUID ORGANIC PHASE COMPRISING A WATERIMMISCIBLE ORGANIC SOLVENT AND AN ANIION EXCHANGE MATERIAL TO EXTRACT AT LEAST A PORTION OF THE ORGANIC ANIONIC SURFACE ACTIVE AGENTS INTO THE ORGANIC PHASE, SEPARATING THE LOADED ORGANIC PHASE FROM THE AQUEOUS PHASE AND TREATING SAID AQUEOUS PHASE WITH A BASIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH AND RARE EARTH METAL OXIDES, HYDROXIDES, BASIC SALTS AND MIXTURES THEREOF TO FORM A PRECIPITATE.
0 Assignments
0 Petitions
Accused Products
-
Citations
1 Claim
-
1. THE PROCESS WHICH COMPRISES CONTACTING AN AQUEOUS WASTE SOLUTION CONTAINING ORGANIC ANIONIC SURFACE ACTIVE AGENTS WITH A LIQUID ORGANIC PHASE COMPRISING A WATERIMMISCIBLE ORGANIC SOLVENT AND AN ANIION EXCHANGE MATERIAL TO EXTRACT AT LEAST A PORTION OF THE ORGANIC ANIONIC SURFACE ACTIVE AGENTS INTO THE ORGANIC PHASE, SEPARATING THE LOADED ORGANIC PHASE FROM THE AQUEOUS PHASE AND TREATING SAID AQUEOUS PHASE WITH A BASIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI, ALKALINE EARTH AND RARE EARTH METAL OXIDES, HYDROXIDES, BASIC SALTS AND MIXTURES THEREOF TO FORM A PRECIPITATE.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeDitsch Le Roy T, Herbert N. Dunning, Wesley A. Jordan
-
Original AssigneeDitsch Le Roy T, Herbert N. Dunning, Wesley A. Jordan
-
InventorsJordan, Wesley A., Dunning, Herbert N., DITSCH LE ROY T
-
Application NumberUS04/267,038Time in Patent Office1,202 DaysField of SearchUS Class Current210/638CPC Class CodesC02F 1/26 by extraction
