[특허]Stabile invert fuel emulsion compositions and method of making

Clean Fuels Technology, Inc.

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Stabile invert fuel emulsion compositions and method of making

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10L-001/32
미국특허분류(USC)	044/301; 044/302; 516/021; 516/053
출원번호	US-0766686 (2004-01-27)
등록번호	US-7407522 (2008-08-05)
발명자 / 주소	Jakush,Edward A. Coleman,Gerald N. Endicott,Dennis L. Nikolov,Alex
출원인 / 주소	Clean Fuels Technology, Inc.
대리인 / 주소	Lewis and Roca LLP
인용정보	피인용 횟수 : 0 인용 특허 : 9

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The present method for producing a high stability, low emission, invert fuel emulsion composition comprises blending additives having a surfactant package with a hydrocarbon petroleum distillate fuel in an in-line blending station to create a composition. The surfactant package includes a primary surfactant, a block copolymer, and a polymeric dispersant, and the hydrocarbon petroleum distillate fuel is a continuous phase of the emulsion. The method also comprises blending purified water with the composition in a second in-line blending station to produce...

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What is claimed is: 1. A method for producing a high stability, low emission, invert fuel emulsion composition, comprising: blending a flow of additives including a surfactant package with a flow of a hydrocarbon petroleum distillate fuel in a first in-line blending station to create a first composition, said surfactant package includes a primary surfactant, a block copolymer, and a polymeric dispersant, and said hydrocarbon petroleum distillate fuel is a continuous phase of the emulsion; blending purified water with said first composition in a second in-line blending station to produce a second composition; aging said second composition to produce an aged composition; and passing said aged composition through a shear pump. 2. The method of claim 1, wherein said aging is temperature dependent. 3. The method of claim 1, wherein the emulsion is about 5 wt. % to about 50 wt. % of said purified water and about 50 wt. % to about 95 wt. % of said hydrocarbon petroleum distillate fuel. 4. The method of claim 1, wherein said primary surfactant is about 3,000 parts per million to about 10,000 parts per million. 5. The method of claim 1, wherein said primary surfactant is selected from a group consisting of nonionic surfactants, anionic surfactants, and amphoteric surfactants. 6. The method of claim 1, wherein said primary surfactant is selected from a group consisting of unsubstituted, mono-substituted amides of saturated C12-C22 fatty acids, unsubstituted, di-substituted amides of saturated C12-C22 fatty acids, unsubstituted, mono-substituted amides of unsaturated C12-C22 fatty acids, and unsubstituted, di-substituted amides of unsaturated C12-C22 fatty acids. 7. The method of claim 6, wherein said mono-substituted amides and di-substituted amides are substituted by substituents selected, independently of each other, from a group consisting of straight and branched, unsubstituted alkyls having 1 to 4 carbon atoms, straight and branched, substituted alkyls having 1 to 4 carbon atoms, straight and branched, unsubstituted alkanols having 1 to 4 carbon atoms, straight and branched, substituted alkanols having 1 to 4 carbon atoms, and aryls. 8. The method of claim 1, wherein said primary surfactant is a 1:1 fatty acid diethanolamide of oleic acid. 9. The method of claim 1, wherein said block copolymer is at about 1,000 ppm to about 5,000 ppm. 10. The method of claim 1, wherein said block copolymer is an ethylene oxide/propylene oxide block copolymer. 11. The method of claim 1, wherein said block copolymer is selected from a group consisting of an ethylene oxide/propylene oxide block copolymer having about 10 wt. % to about 40 wt. % ethylene oxide and an ethylene oxide/propylene oxide block copolymer having about 900 molecular weight to about 2,500 molecular weight propylene oxide. 12. The method of claim 1, wherein said block copolymer is selected from a group consisting of an ethylene oxide/propylene oxide block copolymer having about 20 wt. % ethylene oxide and an ethylene oxide/propylene oxide block copolymer having about 1,700 molecular weight propylene oxide. 13. The method of claim 1, wherein said polymeric dispersant is at about 100 ppm to about 1,000 ppm. 14. The method of claim 1, wherein said polymeric dispersant is a non-ionic polymeric dispersant. 15. The method of claim 1, wherein the emulsion has an average droplet size of less than about 1 micron. 16. The method of claim 1, wherein the emulsion has an average droplet size of about 0.1 microns to about 1 micron. 17. The method of claim 1, further comprising: at least one component selected from a group consisting of lubricants, corrosion inhibitors, antifreezes, ignition delay modifiers, cetane improvers, stabilizers, and rheology modifiers. 18. The method of claim 17, wherein said flow of additives comprises said surfactant package and at least one of said at least one component. 19. The method of claim 17, wherein said flow of additives comprises a flow of said antifreeze and at least one of said at least one component blended in a third in-line blending station.

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Stabile invert fuel emulsion compositions and method of making

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