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특허 상세정보

Stable facilitated transport membranes for olefin/paraffin separations

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/00    B01D-067/00    B01D-069/10    B01D-069/14    C07C-007/144    C10G-045/32    B01D-053/22    B01D-069/02    B01D-071/64    B01D-071/68   
출원번호 US-0600300 (2017-05-19)
등록번호 US-10258929 (2019-04-16)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 0  인용 특허 : 17
초록

A stable high performance facilitated transport membrane comprising an asymmetric integrally-skinned polymeric membrane wherein the pores on the relatively porous, thin, dense skin layer of the membrane comprises a hydrophilic polymer such as chitosan or sodium alginate, a metal salt such as silver nitrate, or a mixture of a metal salt such as silver nitrate and hydrogen peroxide and the asymmetric integrally-skinned polymeric membrane comprises a relatively porous, thin, dense skin layer as characterized by a CO2 permeance of at least 200 GPU and a CO2 ...

대표
청구항

1. A stable high performance facilitated transport membrane comprising an asymmetric integrally-skinned polymeric membrane wherein the pores on a relatively porous, thin, dense skin layer of the membrane comprises a hydrophilic polymer, a metal salt or a mixture of a metal salt and hydrogen peroxide, wherein said asymmetric integrally-skinned polymeric membrane comprises the relatively porous, thin, dense skin layer is characterized by a CO2 permeance of at least 200 GPU and a CO2 over CH4 selectivity between 1.1 and 10 at 50° C. under 50-1000 psig, 10% ...

이 특허에 인용된 특허 (17)

  1. Liu, Chunqing; Tang, Man-Wing. Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups. USP2013108561812.
  2. Zepp Charles M. (Berlin) Wald Stephen A. (Wayland) Dodds David R. (Millis MA). Compounds useful in enzymatic resolution systems and their preparation. USP1993035196568.
  3. Zepp Charles M. (Berlin) Wald Stephen A. (Wayland) Dodds David R. (Millis MA). Compounds useful in enzymatic resolution systems and their preparation. USP1993035198568.
  4. Liu, Chunqing; Osman, Zara. High hydrocarbon resistant chemically cross-linked aromatic polyimide membrane for separations. USP2015099126154.
  5. Liu, Chunqing; Minkov, Raisa; Faheem, Syed A.; Bowen, Travis C.; Chiou, Jeffrey J.. High permeance polyimide membranes for air separation. USP2013028366804.
  6. Partridge, Randall D.; Weissman, Walter; Kaul, Bal K.; Sabottke, Craig Y.; Bhatia, Sanjay K.. Membrane separation process using mixed vapor-liquid feed. USP2010097803275.
  7. Wynn, Nicholas P.; Lin, Haiqing; Zhou, Meijuan; Ly, Jennifer H.; Serbanescu-Martin, Adrian. Membrane-based gas separation process using ejector-driven gas recycle. USP2015049017451.
  8. Matson Stephen L. (Harvard MA). Method for resolution of steroisomers in multiphase and extractive membrane reactors. USP1989014800162.
  9. Pinnau Ingo (Palo Alto CA) Toy Lora G. (San Francisco CA) Casillas Carlos (San Jose CA). Olefin separation membrane and process. USP1997095670051.
  10. Liu, Chunqing; Osman, Zara; Troxell, Angela N.. Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes. USP2015099126152.
  11. Liu, Chunqing; Osman, Zara; Troxell, Angela N.. Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes. USP2015129211508.
  12. Herrera,Patricio S.; Feng,Xianshe; Payzant,John Donald; Kim,Jeong Hoon. Process for the separation of olefins from paraffins using membranes. USP2008047361800.
  13. Wynn, Nicholas P.. Processes for the production of methanol using sweep-based membrane separation steps. USP2014098829059.
  14. Liu, Chunqing; Osman, Zara; Troxell, Angela N.. Self cross-linkable and self cross-linked aromatic polyimide membranes for separations. USP2015099126155.
  15. Liu, Chunqing; Osman, Zara; Troxell, Angela N.. Self cross-linkable and self cross-linked aromatic polyimide membranes for separations. USP2015099126156.
  16. Liu, Chunqing; Bowen, Travis C.; Harbert, Emily G.; Minkov, Raisa; Faheem, Syed A.; Osman, Zara. Separation process using a polyimide membrane. USP2014128912288.
  17. Baker Richard W. (Palo Alto CA) Wijmans Johannes G. (Menlo Park CA). Two-stage membrane process and apparatus. USP1993105256295.