Preparation of desalter emulsion breakers
AssigneeEcolab USA Inc.
InventorsMichael L. Braden, Ashish Dhawan, Jonathan Masere
Life of this patent
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Abstract
The present disclosure generally relates to nonylphenol-free alkoxylated 4-(alkyloxy)phenol/aldehyde resins and processes for making alkoxylated 4-(alkyloxy)phenol/aldehyde resins. The disclosure also relates to methods of breaking emulsions of oil and water comprising the dosing of an effective amount of an emulsion breaker composition into a stable emulsion to destabilize the emulsion, wherein the emulsion breaker composition comprises an alkoxylated 4-(alkyloxy)phenol/aldehyde resin.
Claims22
-30. (canceled)
A method of breaking an emulsion of water and oil comprising introducing an effective amount of an emulsion breaker composition into contact with the emulsion to destabilize the emulsion, wherein the emulsion breaker composition comprises a polymer corresponding in structure to Formula (5):
- wherein:
- R3 and R5 are independently H or C1-C22 alkyl or alkyloxy;
- R4 is C4-22 alkyl;
- R6 is H, alkyl, or aryl;
- R7 is H, alkyl, aryl, or arylalkyl;
- X is —O— or —NR8;
- R8 is hydrogen or C1-C4 alkyl;
- R9 is hydrogen, alkyl, or alkylaryl;
- m is an integer from 4 to 75;
- and
- n is an integer from 0 to 20.
(canceled)
Dependencies are inferred from the claim text.