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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Nguyen, Quang Trong Mbareck, Chamekh Schaetzel, Pierre Alaoui, Ouafa Tahiri |
| Copyright Year | 2011 |
| Abstract | Non-skinned microporous membranes containing anatase particles were fabricated without anatase loss with the dry cast technique. The membranes were characterized by scanning electron microscopy, X-ray diffraction (XRD), infrared spectroscopy, thermal gravimetry analysis and contact angle measurements. Anatase particles were fairly well distributed in the crystallized-PVDF microporous matrix, mainly as aggregates. The membrane porosity, as well as their nitrogen and water permeabilities, reached a maximum at 0.5 TiO2/PVDF weight ratio. The anatase-loaded PVDF membranes were successfully used in the dye and bacteria photodegradations catalyzed by anatase particles. The dye sorption and the photodegradation kinetics with the membrane of 0.5 TiO2/PVDF weight ratio obeyed the Freundlich and the first-order laws, respectively. In the photodegradation of a dye mixture, the better sorbed dye was preferentially photodegraded, suggesting the key role of dye sorption in the photodegradation mechanism. The technical feasibility of the supported photocatalyst in a continuous discoloration of a dye solution was shown in runs of a flat-type reactor under a black-light lamp or direct solar light. |
| Starting Page | 1412 |
| Ending Page | 1422 |
| Page Count | 11 |
| File Format | HTM / HTML PDF |
| ISSN | 20444753 |
| Volume Number | 1 |
| Issue Number | 8 |
| Journal | Catalysis Science & Technology |
| DOI | 10.1039/c1cy00179e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Photodegradation Infrared spectroscopy Polyvinylidene fluoride Anatase The Membranes Photocatalysis Contact angle Nitrogen Scanning electron microscope Composite material X-ray crystallography Sorption Dye Freundlich Bacteria Porosity Gravimetry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Catalysis |
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