Hybrid organic-inorganic microporous membranes with high hydrothermal stability for the separation of carbon dioxide

Hong Qi, Jing Han, Nanping Xu, Henny J.M. Bouwmeester

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Membranes only: A hybrid organic-inorganic membrane for CO2 separation is prepared by sol-gel deposition of a microporous ethylene-bridged silsesquioxane layer onto a multilayer support. Low CO2 permeance is imparted by doping acidic niobium centers into the hybrid silica network. The membrane exhibits superior hydrothermal stability with He/CO2 selectivities as high as 3700.

Original languageEnglish
Pages (from-to)1375-1378
Number of pages4
JournalChemSusChem
Volume3
Issue number12
DOIs
StatePublished - 17 Dec 2010

Keywords

  • carbon dioxide capture
  • membranes
  • microporous materials
  • niobium
  • sol-gel processes

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