Sulfone adsorption using Fe3+ and Fe6+-impregnated clay adsorbents
Clicks: 2
ID: 284823
2024
Article Quality & Performance Metrics
Overall Quality
Not rated
Combines reader engagement with the AI quality analysis. This
article has not been analysed, so there is no overall score —
reader engagement is measured and shown alongside.
Reader Engagement
Emerging Content
0.3
/100
2 views
0 readers
AI Quality Assessment
Not analyzed
Readership in this journal
EmergingRanked #2,091 of 3,757 articles by views in Malay Journal
Most read
Least read
Bar heights use a square-root scale. Only the 120 most-read articles are drawn; the journal has 3,757 in total.
Mint this article as an NFT
Not yet mintedCreate a permanent, verifiable on-chain record of this article on the Scimatic Network. The NFT is held in your Journament account, and you can withdraw it to your own wallet at any time.
5
SUSD
one-off · no wallet required
Abstract
The reduction of sulfur content from fuel oil is essential for the prevention of sulfur accumulation in the atmosphere, thus, making desulfurization practices necessary. In this study, the adsorption of sulfur, specifically dibenzothiophene sulfone (DBTO) and benzothiophene sulfone (BTO) in the frame of oxidative desulfurization was investigated. Raw bentonite (BR) and raw activated clay (ACR) were impregnated with Fe3+ and Fe6+, creating bentonite-Fe3+ (BF3), bentonite-Fe6+ (BF6), activated clay-Fe3+ (ACF3), and activated clay-Fe6+ (ACF6). The surface functional groups, surface morphology, and surface area of the raw and modified adsorbents were studied through Fourier transform infrared spectroscopy, a scanning electron microscope, and Brunauer-Emmett-Teller analysis, respectively. Batch experiments on simulated oil showed the suitability of the pseudo-second order kinetic model on the clay adsorbent and sulfone system. This suggests that chemisorption is the rate-limiting step of the reaction. Equilibrium isotherms indicated the adherence of DBTO onto BR, and BF3, and BTO onto BF3, and ACR to the Freundlich model. This implies the heterogeneous adsorption of the sulfones onto the adsorbents. The systems of DBTO with BF6, ACR, ACF3, and ACF6, and BTO with BR, BF6, ACF3, and ACF6 showed a better fit with the Dubinin-Radushkevich model. This denotes that adsorption happens through the filling of sulfones of the micropores on the adsorbent. Lastly, thermodynamic studies revealed the endothermic and non-spontaneous nature of the clay adsorbents and sulfone systems. The experiments showed the negative effect of Fe3+ and Fe6+ impregnation on the desulfurization ability of the adsorbents. This could be due to the iron ions being hard acids and the sulfones being soft bases, thus showing lower compatibility than the raw counterparts of the adsorbents. Testing of the adsorbents on oxidized pyrolysis oil yielded around 2% to 3% desulfurization due to the quick saturation of adsorbent capacity because of the high sulfur content of the oil. The experiments revealed BR as the best-performing adsorbent, reaching 60% desulfurization in simulated oil. This study is a step toward the commercialization of alternative desulfurization methods.
| Reference Key |
persistent_1760653785_68f171d97b3ae
Use this key to autocite in the manuscript while using
SciMatic Manuscript Manager or Thesis Manager
|
|---|---|
| Authors | Alcaraz, Maegan Gwyneth T. |
| Journal | Malay Journal |
| Year | 2024 |
| DOI |
DOI not found
|
| URL | |
| Keywords | Keywords not found |
Citations
No citations found. To add a citation, contact the admin at info@scimatic.org
Comments
No comments yet. Be the first to comment on this article.