[특허]Vapor recovery from particles containing same

[미국특허] Vapor recovery from particles containing same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-004/00 B01J-008/12
출원번호	US-0682467 (1984-12-17)
발명자 / 주소	Messura Kathleen A. (Aiken SC) Ayres Charles A. (Bartlesville OK)
출원인 / 주소	Phillips Petroleum Company (Bartlesville OK 02)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

A system for recovering vapor, such as residual isobutane, from powder, such as polyethylene powder, comprises surge vessel and a two-compartment purge column. The polymer passes through the surge vessel by means of valves such as ball valves on the inlet and outlet of the surge vessel. Hot vapor, such as isobutane, is used to strip a large portion of the residual isobutane from the polyethylene in the top section of the purge column. Part of the isobutane leaving the column goes to a hydrocarbon recovery section and part is heated and recycled as the stripping medium. In the bottom section, nitrogen is used to strip the remaining isobutane from the polymer. An analyzer controller sensing nitrogen in the isobutane stream to recovery controls pressure in the bottom section by manipulating a valve in the nitrogen off-gas line form the bottom section to control the nitrogen content of the isobutane stream being recycled as stripping medium.

대표청구항 ▼

Apparatus comprising (a) a substantially enclosed first chamber; (b) a means for introducing particulate material into an upper portion of the substantially enclosed first chamber while preventing pressurization of said substantially enclosed first chamber; (c) a first sparger in a lower portion of the substantially enclosed first chamber; (d) a first conduit means connecting the upper portion of the substantially enclosed first chamber with the first sparger; (e) a substantially enclosed second chamber associated with the substantially enclosed first chamber so as to gravity feed therefrom; (f) a second sparger in a lower portion of the substantially enclosed second chamber; (g) a conduit means connected to an upper portion of the substantially enclosed second chamber; and (h) a means for metering particulate material from a lower portion of the substantially enclosed second chamber, wherein the first substantially enclosed chamber and the second substantially enclosed chamber are formed from an elongated vessel of generally cylindrical construction having a generally funnel-shaped partition positioned therein depending from the inside wall with the mouth of the funnel facing the first chamber, the inside of the funnel-shaped partition defining the lower end of the first chamber, the outside of the funnel-shaped partition defining the upper end of the second chamber.

이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Esposito Albert J. (Amherst NY) Dalton (Menlo Park CA) Andes Gary M. (Lockport NY) Maybach Gerard B. (Appleton NY), Apparatus for sensing a chemical property of a spray.
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Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization apparatus.
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Kendrick,James Austin; Towles,Thomas W.; Roger,Scott Thomas, Continuous slurry polymerization process and apparatus.
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Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization process and appparatus.
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Kendrick, James A.; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization volatile removal.
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Kendrick, James A.; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization volatile removal.
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Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization volatile removal.
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Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas; DePierri, Robert G., Continuous slurry polymerization volatile removal.
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Kendrick,James Austin, Continuous slurry polymerization volatile removal.
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Hottovy John D. ; Burns David H. ; Kufeld Scott E. ; Roetman Timothy ; Vaidyanathan Ragavan, Diluent slip stream to give catalyst wetting agent.
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Kufeld, Scott E.; Burns, David H.; Vaidyanathan, Ragavan, Direct recycle fractionation method using a swing column.
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McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A., Energy efficient polyolefin process.
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McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A., Energy efficient polyolefin process.
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McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A., Energy efficient polyolefin process.
상세보기
McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A., Energy efficient polyolefin process.
상세보기
McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A.; Zellers, legal representative, Penny A., Energy efficient polyolefin process.
상세보기
McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A.; Zellers, legal representative, Penny A., Energy efficient polyolefin process.
상세보기
McElvain, Robert R.; Hottovy, John D.; Romig, Ralph W.; Verser, Donald W.; Burns, David H.; Tait, John H.; Peacock, Richard; Hein, James E.; Kufeld, Scott E.; Fenderson, Carl W.; Gupta, Anurag; Zellers, Dale A.; Zellers, legal representative, Penny A., Energy efficient polyolefin process.
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Kufeld, Scott E; Hottovy, John D, Flow in a slurry loop reactor.
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Franklin, III, Robert K.; Hottovy, John D.; Hensley, Harvey D.; Przelomski, David J.; Cymbaluk, Teddy H.; Perez, Ethelwoldo P., High polymer solids slurry polymerization employing 1-olefin comonomer.
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Hottovy John D. ; Hensley Harvey D. ; Przelomski David J. ; Cymbaluk Teddy H. ; Franklin ; III Robert K. ; Perez Ethelwoldo P., High solids slurry polymerization.
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Hottovy, John D.; Hensley, Harvey D.; Przelomski, David J.; Cymbaluk, Teddy H.; Franklin, III, Robert K.; Perez, Ethelwoldo P., High solids slurry polymerization using heat exchange to condense the flashed diluent.
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Tait, John H.; Murphy, Robert S.; Watts, Michael A.; Gupta, Anurag, Monomer recovery by returning column overhead liquid to the reactor.
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Kharazi Alex ; Dunchus Neil William, Process for the production of a thermosetting composition.
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Yount, Thomas Llloyd; Windes, Larry Cate; DeBruin, Bruce Roger, Reactor with optimized internal tray design.
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Yount, Thomas Lloyd; Windes, Larry Cate; DeBruin, Bruce Roger, Reactor with optimized internal tray design.
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Yount, Thomas Lloyd; Windes, Larry Cates; DeBruin, Bruce Roger, Reactor with optimized internal tray design.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Vapor recovery from particles containing same 원문보기