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February 21, 2026The Canadian Journal of Chemical Engineering

Composite membranes comprising of polymeric and molecular amines embedded in poly(vinyl alcohol) matrices to facilitate CO 2 / H 2 separation

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Authors

SHSteve Yijie HuKWKean WangXFXianshe Feng

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Overview

Composite membranes demonstrate effective CO2/H2 separation, indicating potential for enhanced gas separation technologies.

Key Points

  • The aim is to develop composite membranes for efficient CO2/H2 separation using polymeric and molecular amines.
  • Created composite membranes using polyvinylamine and triethylenetetramine in a poly(vinyl alcohol) matrix.
  • Tested CO2/H2 separation under varying feed pressures and temperatures.
  • Evaluated membrane performance over a month-long continuous separation process.
  • Achieved CO2 permeance of 23.3 GPU at 0.6 MPa feed pressure.
  • Attained CO2/H2 selectivity of 28.5 with 10 mol.% CO2.
  • Membrane stability was confirmed with no performance deterioration after one month.

Cite This Study

Hu et al. (2026) studied this question.

synapsesocial.com/papers/69994c9f873532290d0213c3https://doi.org/10.1002/cjce.70305
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Also Consider

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