Amine-functionalized natural zeolites prepared through plasma polymerization for enhanced carbon dioxide adsorption

Satriyo K. Wahono, Adid A. Dwiatmoko, Alex Cavallaro, Sathish C. Indirathankam, Jonas Addai-Mensah, William Skinner, Ajayan Vinu, Krasimir Vasilev

Research output: Contribution to journalArticlepeer-review

Abstract

Solution-based amine absorption technologies have been widely applied for CO2 capture, but they have several drawbacks. This paper reports on the synthesis of the first solid-state amine adsorbent prepared through a simple plasma polymerization and deposition on physicochemically modified natural mordenite–clinoptilolite zeolite. The plasma deposition of amine polymer under certain conditions resulted in a significant increase in surface area-weighted CO2 adsorption capacity as the natural zeolite. The strength of the interaction between CO2 and the adsorbent was weaker for the plasma polymer-modified zeolite than without the plasma coating, which may facilitate regeneration. Both indications make the amine plasma polymer-based zeolite adsorbent a good candidate for CO2 adsorption and separation.

Original languageEnglish
Article number2100028
Number of pages11
JournalPlasma Processes and Polymers
Volume18
Issue number8
DOIs
Publication statusPublished - Aug 2021
Externally publishedYes

Keywords

  • allylamine
  • CO adsorption capacity
  • natural mordenite–clinoptilolite zeolite
  • plasma deposition
  • plasma polymerization

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