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            _____     _____    __   __    ______  
  ____     |  ___||  |__  //   \ \\/ //  /_   _// 
 |    \\   | ||__      / //     \ ` //   `-| |,-  
 | [] ||   | ||__     / //__     | ||      | ||   
 |  __//   |_____||  /_____||    |_||      |_||   
 |_|`-`    `-----`   `-----`     `-`'      `-`'   
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Text this: Dual-layer polyethersulfone (PES)/BTDA-TDI/MDI co-polyimide (P84) hollow fiber membranes with a submicron PES-zeolite beta mixed matrix dense-selective layer for gas separation