Simultaneously tuning dense skin and porous substrate of asymmetric hollow fiber membranes for efficient purification of aggressive natural gas
Highly permeable, selective, and stable asymmetric membranes are required to replace the traditional separation approaches for natural gas purification with higher energy efficiency and smaller footprints. Herein, we report on the design and engineering of defect‐free asymmetric hollow fiber membran...
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| Veröffentlicht in: | AIChE journal 2019-04, Vol.65 (4), p.1269-1280 |
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| creator | Liu, Gongping Labreche, Ying Li, Nanwen Liu, Yang Zhang, Chen Miller, Stephen J. Babu, Vinod P. Bhuwania, Nitesh Koros, William J. |
| description | Highly permeable, selective, and stable asymmetric membranes are required to replace the traditional separation approaches for natural gas purification with higher energy efficiency and smaller footprints. Herein, we report on the design and engineering of defect‐free asymmetric hollow fiber membranes with a thin dense skin and highly porous substrate to effectively deal with aggressive natural gas. A crosslinkable polymer with rigid molecular structure and high molecular weight was synthesized for developing spinning dope with desirable solution properties. Phase separation behavior of the polymer was carefully controlled by systematic formulation of the dope composition and optimizing spinning conditions, thereby realizing simultaneously tuning dense skins and porous substrates of the spun asymmetric hollow fiber membranes. The crosslinked hollow fiber membrane, with well‐preserved delicate asymmetric nanostructures, exhibited unprecedentedly high and stable separation performance for long‐term processing extremely aggressive CO2/CH4 mixtures (with pressure up to 820 psi containing C6+ hydrocarbons), thereby showing great potential for practical application of natural gas purification. This work offers a new platform to create hollow fiber membranes with both high permeance and plasticization resistance in natural gas service. © 2019 American Institute of Chemical Engineers AIChE J, 65: 1269–1280, 2019 |
| doi_str_mv | 10.1002/aic.16520 |
| format | Article |
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Herein, we report on the design and engineering of defect‐free asymmetric hollow fiber membranes with a thin dense skin and highly porous substrate to effectively deal with aggressive natural gas. A crosslinkable polymer with rigid molecular structure and high molecular weight was synthesized for developing spinning dope with desirable solution properties. Phase separation behavior of the polymer was carefully controlled by systematic formulation of the dope composition and optimizing spinning conditions, thereby realizing simultaneously tuning dense skins and porous substrates of the spun asymmetric hollow fiber membranes. The crosslinked hollow fiber membrane, with well‐preserved delicate asymmetric nanostructures, exhibited unprecedentedly high and stable separation performance for long‐term processing extremely aggressive CO2/CH4 mixtures (with pressure up to 820 psi containing C6+ hydrocarbons), thereby showing great potential for practical application of natural gas purification. 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Herein, we report on the design and engineering of defect‐free asymmetric hollow fiber membranes with a thin dense skin and highly porous substrate to effectively deal with aggressive natural gas. A crosslinkable polymer with rigid molecular structure and high molecular weight was synthesized for developing spinning dope with desirable solution properties. Phase separation behavior of the polymer was carefully controlled by systematic formulation of the dope composition and optimizing spinning conditions, thereby realizing simultaneously tuning dense skins and porous substrates of the spun asymmetric hollow fiber membranes. The crosslinked hollow fiber membrane, with well‐preserved delicate asymmetric nanostructures, exhibited unprecedentedly high and stable separation performance for long‐term processing extremely aggressive CO2/CH4 mixtures (with pressure up to 820 psi containing C6+ hydrocarbons), thereby showing great potential for practical application of natural gas purification. This work offers a new platform to create hollow fiber membranes with both high permeance and plasticization resistance in natural gas service. © 2019 American Institute of Chemical Engineers AIChE J, 65: 1269–1280, 2019</description><subject>Asymmetry</subject><subject>Carbon dioxide</subject><subject>Chemical synthesis</subject><subject>CO2/CH4 separation</subject><subject>crosslink</subject><subject>crosslink spinning</subject><subject>Crosslinking</subject><subject>Design defects</subject><subject>Design engineering</subject><subject>Energy efficiency</subject><subject>hollow fiber membrane</subject><subject>Hollow fiber membranes</subject><subject>MATERIALS SCIENCE</subject><subject>Membranes</subject><subject>Molecular structure</subject><subject>Molecular weight</subject><subject>Natural gas</subject><subject>natural gas purification</subject><subject>Organic chemistry</subject><subject>Phase separation</subject><subject>Polymers</subject><subject>Purification</subject><subject>Skin</subject><subject>spinning</subject><subject>Substrates</subject><subject>Tuning</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kc1u1DAUhS0EEkNhwRtYsGKR1nbsSbKsRvxUqsQCWFs3zvXUJbEHX4dqnoJXxm3Ysrp_3zm60mHsrRSXUgh1BcFdyr1R4hnbSaO7xgzCPGc7IYRs6kK-ZK-I7uukul7t2J9vYVnnAhHTSvOZlzWGeOQTRkJOP0PkECd-SrmeOa0jlQwFefIc6LwsWHJw_C7Nc3rgPoyY-YLLmKsfcZ8yR--DCxgLP6051B5KSPFJfzxmJAq_kUcoa4aZH4FesxceZsI3_-oF-_Hp4_fDl-b26-ebw_Vt41qlReMn5ce-m0zbaWhBOaN6bCfdjyi876QS49TB3mvUGrq90BMakGqSfhhAtX17wd5tvolKsORCQXfnUozoipVm0Gb_CL3foFNOv1akYu_TmmP9yyrZD70wrewq9WGjXE5EGb095bBAPlsp7GMotoZin0Kp7NXGPoQZz_8H7fXNYVP8BW3gkRY</recordid><startdate>201904</startdate><enddate>201904</enddate><creator>Liu, Gongping</creator><creator>Labreche, Ying</creator><creator>Li, Nanwen</creator><creator>Liu, Yang</creator><creator>Zhang, Chen</creator><creator>Miller, Stephen J.</creator><creator>Babu, Vinod P.</creator><creator>Bhuwania, Nitesh</creator><creator>Koros, William J.</creator><general>John Wiley & Sons, Inc</general><general>American Institute of Chemical Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U5</scope><scope>8FD</scope><scope>C1K</scope><scope>L7M</scope><scope>SOI</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-3859-1278</orcidid><orcidid>https://orcid.org/0000000238591278</orcidid></search><sort><creationdate>201904</creationdate><title>Simultaneously tuning dense skin and porous substrate of asymmetric hollow fiber membranes for efficient purification of aggressive natural gas</title><author>Liu, Gongping ; Labreche, Ying ; Li, Nanwen ; Liu, Yang ; Zhang, Chen ; Miller, Stephen J. ; Babu, Vinod P. ; Bhuwania, Nitesh ; Koros, William J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3240-fd2fb87d5374a3a2c528e3d48be0ff7120bd7a6f4e44a7604de5a12d1f99a2383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Asymmetry</topic><topic>Carbon dioxide</topic><topic>Chemical synthesis</topic><topic>CO2/CH4 separation</topic><topic>crosslink</topic><topic>crosslink spinning</topic><topic>Crosslinking</topic><topic>Design defects</topic><topic>Design engineering</topic><topic>Energy efficiency</topic><topic>hollow fiber membrane</topic><topic>Hollow fiber membranes</topic><topic>MATERIALS SCIENCE</topic><topic>Membranes</topic><topic>Molecular structure</topic><topic>Molecular weight</topic><topic>Natural gas</topic><topic>natural gas purification</topic><topic>Organic chemistry</topic><topic>Phase separation</topic><topic>Polymers</topic><topic>Purification</topic><topic>Skin</topic><topic>spinning</topic><topic>Substrates</topic><topic>Tuning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Gongping</creatorcontrib><creatorcontrib>Labreche, Ying</creatorcontrib><creatorcontrib>Li, Nanwen</creatorcontrib><creatorcontrib>Liu, Yang</creatorcontrib><creatorcontrib>Zhang, Chen</creatorcontrib><creatorcontrib>Miller, Stephen J.</creatorcontrib><creatorcontrib>Babu, Vinod P.</creatorcontrib><creatorcontrib>Bhuwania, Nitesh</creatorcontrib><creatorcontrib>Koros, William J.</creatorcontrib><creatorcontrib>Georgia Institute of Technology, Atlanta, GA (United States)</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>OSTI.GOV</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Gongping</au><au>Labreche, Ying</au><au>Li, Nanwen</au><au>Liu, Yang</au><au>Zhang, Chen</au><au>Miller, Stephen J.</au><au>Babu, Vinod P.</au><au>Bhuwania, Nitesh</au><au>Koros, William J.</au><aucorp>Georgia Institute of Technology, Atlanta, GA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simultaneously tuning dense skin and porous substrate of asymmetric hollow fiber membranes for efficient purification of aggressive natural gas</atitle><jtitle>AIChE journal</jtitle><date>2019-04</date><risdate>2019</risdate><volume>65</volume><issue>4</issue><spage>1269</spage><epage>1280</epage><pages>1269-1280</pages><issn>0001-1541</issn><eissn>1547-5905</eissn><abstract>Highly permeable, selective, and stable asymmetric membranes are required to replace the traditional separation approaches for natural gas purification with higher energy efficiency and smaller footprints. Herein, we report on the design and engineering of defect‐free asymmetric hollow fiber membranes with a thin dense skin and highly porous substrate to effectively deal with aggressive natural gas. A crosslinkable polymer with rigid molecular structure and high molecular weight was synthesized for developing spinning dope with desirable solution properties. Phase separation behavior of the polymer was carefully controlled by systematic formulation of the dope composition and optimizing spinning conditions, thereby realizing simultaneously tuning dense skins and porous substrates of the spun asymmetric hollow fiber membranes. The crosslinked hollow fiber membrane, with well‐preserved delicate asymmetric nanostructures, exhibited unprecedentedly high and stable separation performance for long‐term processing extremely aggressive CO2/CH4 mixtures (with pressure up to 820 psi containing C6+ hydrocarbons), thereby showing great potential for practical application of natural gas purification. This work offers a new platform to create hollow fiber membranes with both high permeance and plasticization resistance in natural gas service. © 2019 American Institute of Chemical Engineers AIChE J, 65: 1269–1280, 2019</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/aic.16520</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-3859-1278</orcidid><orcidid>https://orcid.org/0000000238591278</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Asymmetry Carbon dioxide Chemical synthesis CO2/CH4 separation crosslink crosslink spinning Crosslinking Design defects Design engineering Energy efficiency hollow fiber membrane Hollow fiber membranes MATERIALS SCIENCE Membranes Molecular structure Molecular weight Natural gas natural gas purification Organic chemistry Phase separation Polymers Purification Skin spinning Substrates Tuning |
| title | Simultaneously tuning dense skin and porous substrate of asymmetric hollow fiber membranes for efficient purification of aggressive natural gas |
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