Indirect and direct method of sequestering contaminates
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/14
B01D-053/62
F23J-015/04
H01S-003/095
H01S-003/22
출원번호
US-0586808
(2009-09-28)
등록번호
US-8864876
(2014-10-21)
발명자
/ 주소
Neumann, David Kurt
Nizamov, Boris R.
Henshaw, Thomas Lee
Anderson, Jeremy L.
출원인 / 주소
Neumann Systems Group, Inc.
대리인 / 주소
Aspire IP
인용정보
피인용 횟수 :
0인용 특허 :
101
초록▼
The invention generally relates to a method for sequestration contaminates. More particularly, the invention relates to a significant performance enhancement over existing mineral carbonation processes through the use of a high mass transfer system and an efficient pH swing reaction. More particular
The invention generally relates to a method for sequestration contaminates. More particularly, the invention relates to a significant performance enhancement over existing mineral carbonation processes through the use of a high mass transfer system and an efficient pH swing reaction. More particularly, aspects of the invention are directed to direct and indirect methods of sequestering contaminates.
대표청구항▼
1. A method of sequestering gas phase molecules in a plurality of sequestration modules, comprising the steps of: forming a plurality of flat liquid jets in the plurality of sequestration modules each module arranged substantially adjacent to each other, each of said flat liquid jets comprising a po
1. A method of sequestering gas phase molecules in a plurality of sequestration modules, comprising the steps of: forming a plurality of flat liquid jets in the plurality of sequestration modules each module arranged substantially adjacent to each other, each of said flat liquid jets comprising a portion including a coalesced structure such that each jet includes a width, thickness and height of an aqueous slurry solution, said plurality of flat liquid jets arranged in substantially parallel planes;providing a gas with gas phase molecules in an orientation that allows a portion of the gas to flow between two or more of the substantially parallel planes of the flat liquid jets such that the jets retain their coalesced structure; andmineralizing at least a portion of the gas phase molecules by mass transfer interaction between the gas phase molecules and the aqueous slurry solution, wherein the mineralizing is conducted at a pressure of less than about 100 psig. 2. The method of claim 1, wherein the gas phase molecules comprises carbon dioxide. 3. The method of claim 1, wherein the gas phase molecules comprises flue gas from a coal fired plant. 4. The method of claim 1, wherein the aqueous slurry solution comprises a solid material and water in a solution. 5. The method of claim 4, wherein the solid material comprises an alkaline material. 6. The method of claim 5, wherein the alkaline material comprises silicates. 7. The method of claim 6, wherein the silicates comprise calcium/magnesium silicates. 8. The method of claim 7, wherein the calcium/magnesium silicates comprise at least one of olivine, wollastonite, and serpentine. 9. The method of claim 5, wherein the alkaline material comprises an industrial waste alkaline material. 10. The method of claim 9, wherein the industrial waste alkaline material comprises at least one of steel slag, cement kiln dust, and fly ash. 11. The method of claim 1, wherein the aqueous slurry solution comprises at least one of Ca(OH)2 and Mg(OH)2. 12. The method of claim 1, wherein the aqueous slurry solution comprises solids in a range from about 1% (w/w) to about 20% (w/w). 13. The method of claim 1, wherein the aqueous slurry solution comprises about 5% (w/w) to about 10% (w/w) Ca(OH)2. 14. The method of claim 1, wherein the aqueous slurry solution further comprises a promoter of CO2 absorption. 15. The method of claim 14, wherein promoters comprise an amine. 16. The method of claim 15, wherein the amine is selected from the group consisting of (monoethanol amine), 1,4-piperazinediethanol, piperazine, hydroxyethylpiperazine and combinations thereof. 17. The method of claim 1, wherein the aqueous solution further comprises at least one of a corrosion inhibiter and an antifoaming agent. 18. The method of claim 17, wherein the corrosion inhibiter comprises at least one of sodium metavanadate and copper carbonate. 19. The method of claim 17, wherein the antifoaming agent comprises a silicon compound based defoamer comprising at least one of polydimethylsiloxane, hydrophobic silica, and silicone glycols. 20. The method of claim 1, wherein a gas liquid contactor comprises a plurality of operating modules. 21. The method of claim 1, wherein the forming of an array of uniformly spaced flat liquid jets step comprises forming the flat liquid jets at a liquid plenum pressure in a range from about 2 psi to about 25 psi. 22. The method of claim 1, wherein at least one of the flat liquid jets in the array comprises a width greater than about 1 cm. 23. The method of claim 1, wherein at least one of the flat liquid jets in the array comprises a width in a range from about 5 cm to about 15 cm. 24. The method of claim 1, wherein at least one of the flat liquid jets in the array comprises a thickness in a range from about 10 μm to about 250 μm. 25. The method of claim 1, wherein at least one of the flat liquid jets in the array comprises a length in a range from about 5 cm to about 30 cm. 26. The method of claim 1, wherein at least one of the flat liquid jets in the array has a velocity less than 15 msec. 27. A method of sequestering gas phase molecules, comprising the steps of: forming a plurality of liquid jets in a gas liquid contactor, each of said liquid jets comprising a planar sheet of an aqueous solution comprising piperazine and an acid, said plurality of liquid jets arranged in substantially parallel planes;providing a flue gas with gas phase molecules to the gas liquid contactor;reacting at least a portion of the gas phase molecules by mass transfer interaction between the gas phase molecules and the planar sheet of aqueous solution to form a reacted composition; andmineralizing at least a portion of the reacted composition to form carbonates, wherein the mineralizing is conducted at a pressure of less than about 100 psig. 28. The method of claim 27, wherein gas phase molecules comprise a flue gas comprising carbon dioxide. 29. The method of claim 27, wherein the aqueous solution comprises piperazine and hydrochloric acid. 30. The method of claim 27, wherein the aqueous solution comprises piperazine and hydrochloric acid, wherein the molar ratio of hydrochloric acid to piperazine is in a range from about 0.5 to 2. 31. The method of claim 27, wherein the mineralizing step comprises reacting the reacted composition in a continuous process reactor with silicates to form the carbonates. 32. The method of claim 27, wherein the mineralizing step comprises reacting the reacted composition with an alkaline material to form carbonates. 33. The method of claim 32, wherein the alkaline material comprises silicates. 34. The method of claim 32, wherein the silicates comprise calcium/magnesium silicates. 35. The method of claim 33, wherein the calcium/magnesium silicates comprise at least one of olivine, wollastonite, and serpentine. 36. The method of claim 32, wherein the alkaline material comprises an industrial waste alkaline material. 37. The method of claim 36, wherein the industrial waste alkaline material comprises at least one of steel slag, cement kiln dust, and fly ash. 38. The method of claim 27, further comprises the step of reclaiming the aqueous solution with a recycle feedback loop. 39. A method of direct sequestering carbon dioxide gas phase molecules from a flue gas of a coal fired plant with a plurality of different sequestration modules, comprising the steps of: forming a plurality of essentially planar liquid jets in the plurality of different sequestration modules, each of said liquid jets comprising a planar sheet of an aqueous slurry solution, said plurality of liquid jets arranged in substantially parallel planes in each of the plurality of modules, wherein the aqueous slurry solution comprises at least one of Ca(OH)2 and Mg(OH)2 in a range of about 5% (w/w) to about 10% (w/w);providing the flue gas with the carbon dioxide gas phase molecules in a cross flow orientation between two or more of the plurality of liquid jets in each of the plurality of sequestration modules; andmineralizing at least a portion of the carbon dioxide gas phase molecules by mass transfer interaction between the carbon dioxide gas molecules and the aqueous slurry solution, wherein the mineralizing is conducted at a pressure of less than about 100 psig.
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