Development of porous structured polyvinyl alcohol/zeolite/carbon composites as adsorbent

J. A. Laksmono, Mahmud Sudibandriyo, Asep Handaya Saputra, A. Haryono

Research output: Contribution to journalConference articlepeer-review

12 Citations (Scopus)


Adsorption is a separation process that has higher energy efficiency than others. Analyzing the nature of the adsorbate and the selection of suitable adsorbent are key success in adsorption. The performance of the adsorbent can be modified either physically or chemically to obtain the efficiency and effectiveness of the adsorption, this can be facilitated by using a composite adsorbent. In this study, we have conducted the preparation process of a polyvinyl alcohol (PVA)/zeolite/carbon composites. The resulting adsorbent composites are dedicated for ethanol - water dehydration proposes. The composites were prepared using cross-linked polymerization method followed by supercritical fluid extraction (SFE) to obtain the porous structured upon drying process. The characterization of the functional groups and morphology were performed by using Fourier Transform Infra-Red (FTIR) and Scanning Electron Microscopy (SEM), respectively. The FTIR analysis showed that composite prepared by SFE method formed hydrogen bonding confirmed by the appearance of peaks at 2950 - 3000 cm-1 compared to composite without SFE method, whereas, the results of SEM study showed the formation of three layered structures. On basis of the obtained results, it can be shown that PVA/zeolite/carbon has high potential to be develop further as an adsorbent composite.

Original languageEnglish
Article number012006
JournalIOP Conference Series: Materials Science and Engineering
Issue number1
Publication statusPublished - 2 Jun 2017
Event7th International Conference on Key Engineering Materials, ICKEM 2017 - Penang, Malaysia
Duration: 11 Mar 201713 Mar 2017


  • adsorbent
  • adsorption
  • carbon.
  • composite
  • polymerization
  • polyvinyl alcohol
  • zeolite


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