[특허]Filtration media

Phillips Plastic Corporation

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특허 상세정보

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Filtration media

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/04 B01D-046/30
미국특허분류(USC)	095/143; 055/385.1; 055/512; 055/516; 055/523; 055/525; 055/DIG.3; 055/DIG.36; 095/148; 095/276; 095/281; 096/108; 096/143; 096/151; 096/228; 096/231; 096/233
출원번호	US-0866250 (2004-06-14)
발명자 / 주소	Fitch,Thomas M. Entezarian,Majid Johnson,James R.
출원인 / 주소	Phillips Plastic Corporation
대리인 / 주소	Foley &
인용정보	피인용 횟수 : 4 인용 특허 : 134

초록

Particles may be used to filter oleo material such as grease from a flow of fluid such as a gas. The particles can be arranged into a bed to filter the oleo material from the fluid. The filtrate substance collect on the inorganic particles. The particles are re-usable, in that they can be subjected to filtrate-separation techniques, e.g., solvent extraction, detergent washing, and centrifugal separation, to separate the oleo material from the particles.

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What is claimed is: 1. A method comprising: (a) filtering grease from an air stream using a bed of porous particles, the air stream being channeled from an area where the grease is being heated to another location by a ventilation system, wherein the particles have a mean pore size of about 0.1 microns to 10 microns, (b) removing the bed from its position in the air stream; (c) separating the grease from the particles using a liquid. 2. The method according to claim 1 comprising: (d) moving the bed back into the air stream. 3. The method according to claim 2 comprising repeatedly performing steps (a)-(d). 4. The method according to claim 1 wherein the grease is separated from the particles using a process comprising solvent extraction, detergent washing, or a combination thereof. 5. The method according to claim 1 wherein the ventilation system channels the air stream from a housing, through a duct, and into the atmosphere. 6. The method according to claim 1 wherein the air stream and the grease form an aerosol. 7. The method according to claim 1 wherein a mean size of the particles is about 0.25 mm to 4 mm. 8. The method according to claim 1 wherein the particles absorb the grease. 9. The method according to claim 1 wherein the particles are inorganic. 10. The method according to claim 1 wherein the particles comprise metal, ceramic material, or a combination thereof. 11. A method comprising: filtering grease from an air stream using a bed of particles, the air stream being channeled from an area where the grease is being heated to another location by a ventilation system; cyclically separating the grease from the particles using a liquid; wherein a mean size of the particles is about 0.1 mm to 4 mm. 12. The method according to claim 11 comprising removing the bed from its position in the air stream to separate the grease from the particles. 13. The method according to claim 11 wherein the grease is separated from the particles using a process comprising solvent extraction, detergent washing, or a combination thereof. 14. The method according to claim 11 wherein the ventilation system channels the air stream from a housing, through a duct, and into the atmosphere. 15. The method according to claim 11 wherein the air stream and the grease form an aerosol. 16. The method according to claim 11 wherein the particles are porous. 17. The method according to claim 11 wherein the particles absorb the grease. 18. The method according to claim 11 wherein the particles are inorganic. 19. The method according to claim 11 wherein the particles comprise metal, ceramic material, or a combination thereof. 20. A ventilation system comprising: a bed of porous particles which is used to remove grease from an air stream where the grease is from heating food, the particles being regenerated using a liquid; wherein the ventilation system channels the air stream from a housing through a duct and into the atmosphere; and wherein a mean size of the particles is about 0.25 mm to 4 mm. 21. The ventilation system according to claim 20 wherein the particles are regenerated using detergent washing. 22. The ventilation system according to claim 20 wherein the particles are cyclically regenerated. 23. The ventilation system according to claim 20 wherein the particles are inorganic. 24. The ventilation system according to claim 20 wherein the air stream and the grease form an aerosol. 25. The ventilation system according to claim 20 wherein the particles absorb the grease. 26. The ventilation system according to claim 20 wherein the particles comprise metal, ceramic material, or a combination thereof. 27. A ventilation system comprising: a bed of porous particles which is used to remove grease from an air stream where the grease is from heating food, the particles being cyclically regenerated using a liquid, the particles also having a mean pore size of about 0.1 microns to 100 microns; wherein the ventilation system channels the air stream from an area where the grease is being heated to another location. 28. The ventilation system according to claim 27 wherein the particles are regenerated using a process comprising solvent extraction, detergent washing, or a combination thereof. 29. The ventilation system according to claim 27 wherein the ventilation system channels the air stream from a housing, through a duct, and into the atmosphere. 30. The ventilation system according to claim 27 wherein the air stream and the grease form an aerosol. 31. The ventilation system according to claim 27 wherein a mean size of the particles is about 0.1 mm to 4 mm. 32. The ventilation system according to claim 27 wherein the particles are inorganic. 33. The ventilation system according to claim 27 wherein the particles absorb the grease. 34. The ventilation system according to claim 27 wherein the particles comprise metal, ceramic material, or a combination thereof. 35. A ventilation system comprising: a bed of particles which is used to remove grease from an air stream where the grease is from heating food, the particles being cyclically regenerated using a process comprising solvent extraction, detergent washing, or a combination thereof; wherein the ventilation system channels the air stream from an area where the grease is being heated to another location. 36. The ventilation system according to claim 35 wherein the ventilation system channels the air stream from a housing, through a duct, and into the atmosphere. 37. The ventilation system according to claim 35 wherein the air stream and the grease form an aerosol. 38. The ventilation system according to claim 35 wherein the particles are porous. 39. The ventilation system according to claim 35 wherein the particles are inorganic. 40. The ventilation system according to claim 35 wherein the particles absorb the grease. 41. A filtration media comprising: a plurality of porous particles arranged in a bed, the bed being configured to be positioned in a ventilation system which channels an air stream from an area where grease is being heated to another location, the bed also being configured to remove the grease from the air stream; wherein the bed is regenerated using a process comprising solvent extraction, detergent washing, or a combination thereof. 42. The filtration media according to claim 41 wherein the particles are cyclically regenerated. 43. The filtration media according to claim 41 wherein the particles are inorganic. 44. The filtration media according to claim 41 wherein the particles are configured to absorb the grease. 45. The filtration media according to claim 41 wherein the particles comprise metal, ceramic material, or a combination thereof. 46. The filtration media according to claim 41 wherein the ventilation system channels the air stream from a housing, through a duct, and into the atmosphere. 47. A method comprising: (a) filtering grease from an air stream using a bed of porous inorganic particles, the air stream being channeled from an area where the grease is being heated to another location by a ventilation system, wherein a mean size of the particles is about 0.1 mm to 4 mm and the particles have a mean pore size of about 0.1 microns to 100 microns. (b) removing the bed from its position in the air stream; (c) separating the grease from the particles using a liquid. 48. The method according to claim 47 wherein the mean size of the particles is about 0.25 mm to 4 mm and the mean pore size is about 0. 1 microns to 10 microns. 49. The method according to claim 47 wherein the grease is separated from the particles using a process comprising solvent extraction, detergent washing, or a combination thereof. 50. The method according to claim 47 wherein each of the porous inorganic particles has interconnecting openings extending throughout the particle and opening onto an outer surface of the particle to form a reticulated labyrinth of struts. 51. A method comprising: filtering grease from an air stream using a bed of porous inorganic particles, the air stream being channeled from an area where the grease is being heated to another location by a ventilation system; and cyclically separating the grease from the particles using a liquid; wherein a mean size of the particles is about 0.1 mm to 4 mm; and wherein the particles have a mean pore size of about 0.1 microns to 100 microns. 52. The method according to claim 51 wherein the mean size of the particles is about 0.25 mm to 4 mm and the mean pore size is about 0. 1 microns to 10 microns. 53. The method according to claim 51 wherein the grease is separated from the particles using a process comprising solvent extraction, detergent washing, or a combination thereof. 54. The method according to claim 51 wherein each of the porous inorganic particles has interconnecting openings extending throughout the particle and opening onto an outer surface of the particle to form a reticulated labyrinth of struts. 55. A method comprising: (a) filtering grease from an air stream using a bed of porous inorganic particles, the air stream being channeled from an area where the grease is being heated to another location by a ventilation system, wherein each of the porous inorganic particles has interconnecting openings extending throughout the particle and opening onto an outer surface of the particle to form a reticulated labyrinth of struts, (b) removing the bed from its position in the air stream; (c) separating the grease from the particles using a liquid. 56. The method according to claim 55 wherein the mean size of the particles is about 0.1 mm to 4 mm and the mean pore size is about 0.1 microns to 100 microns. 57. The method according to claim 55 wherein the mean size of the particles is about 0.25 mm to 4 mm and the mean pore size is about 0. 1 microns to 10 microns.

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이 특허를 인용한 특허 피인용횟수: 4

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Filtration media

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Filtration media

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이 특허에 인용된 특허 (134)

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