Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene
Zirconium dioxide was impregnated into a commercial activated carbon (AC) by hydrothermal treatment employing an aqueous ZrOCl 2 •8H 2 O solution. The ZrO 2 /AC composites thus prepared were tested as adsorbents for dibenzothiophene (DBT) from a model diesel fuel. In comparison to the pure AC, impre...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2010-04-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/0263-6174.28.4.341 |
| _version_ | 1826910910356127744 |
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| author | Lin Xiong Xue-Min Yan Ping Mei |
| author_facet | Lin Xiong Xue-Min Yan Ping Mei |
| author_sort | Lin Xiong |
| collection | DOAJ |
| description | Zirconium dioxide was impregnated into a commercial activated carbon (AC) by hydrothermal treatment employing an aqueous ZrOCl 2 •8H 2 O solution. The ZrO 2 /AC composites thus prepared were tested as adsorbents for dibenzothiophene (DBT) from a model diesel fuel. In comparison to the pure AC, impregnation of ZrO 2 was found to lead to a ca. 17% increase in the adsorption capacity. The optimal ZrO 2 loading and hydrothermal pH were determined as 0.1 mmol/g and 7, respectively. The spent adsorbents were regenerated by toluene washing, with the ZrO 2 /AC composite exhibiting a higher adsorptive capacity than pure AC even after three such recycles. The ZrO 2 /AC composite was also characterized by the physical adsorption of nitrogen and Boehm titrations. The results indicated that surface acidic sites on the impregnated ZrO 2 may play an important role in the improved desulphurization performance of the composite. |
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| institution | Directory Open Access Journal |
| issn | 0263-6174 2048-4038 |
| language | English |
| last_indexed | 2025-02-17T10:07:51Z |
| publishDate | 2010-04-01 |
| publisher | SAGE Publishing |
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| series | Adsorption Science & Technology |
| spelling | doaj.art-2df2fc3c3ad04b87ad7e8153b1ae8e512025-01-02T02:58:04ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382010-04-012810.1260/0263-6174.28.4.341Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for DibenzothiopheneLin XiongXue-Min YanPing MeiZirconium dioxide was impregnated into a commercial activated carbon (AC) by hydrothermal treatment employing an aqueous ZrOCl 2 •8H 2 O solution. The ZrO 2 /AC composites thus prepared were tested as adsorbents for dibenzothiophene (DBT) from a model diesel fuel. In comparison to the pure AC, impregnation of ZrO 2 was found to lead to a ca. 17% increase in the adsorption capacity. The optimal ZrO 2 loading and hydrothermal pH were determined as 0.1 mmol/g and 7, respectively. The spent adsorbents were regenerated by toluene washing, with the ZrO 2 /AC composite exhibiting a higher adsorptive capacity than pure AC even after three such recycles. The ZrO 2 /AC composite was also characterized by the physical adsorption of nitrogen and Boehm titrations. The results indicated that surface acidic sites on the impregnated ZrO 2 may play an important role in the improved desulphurization performance of the composite.https://doi.org/10.1260/0263-6174.28.4.341 |
| spellingShingle | Lin Xiong Xue-Min Yan Ping Mei Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene Adsorption Science & Technology |
| title | Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene |
| title_full | Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene |
| title_fullStr | Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene |
| title_full_unstemmed | Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene |
| title_short | Synthesis and Characterization of a ZrO/AC Composite as a Novel Adsorbent for Dibenzothiophene |
| title_sort | synthesis and characterization of a zro ac composite as a novel adsorbent for dibenzothiophene |
| url | https://doi.org/10.1260/0263-6174.28.4.341 |
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