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https://ir.cnu.edu.tw/handle/310902800/28670
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| 標題: | Removal of oxidized sulfur compounds using different types of activated carbon, aluminum oxide, and chitosan-coated bentonite |
| 作者: | Lu, Ming-Chun
Agripa, Michelle L.
Wan, Meng-Wei
Dalida, Maria Lourdes P. |
| 貢獻者: | 環境資源管理系
環境工程與科學系 |
| 關鍵字: | Desulfurization
Adsorption
Sulfone
Activated carbon
Aluminum oxide
Chitosan-coated bentonite (CHB) |
| 日期: | 2014-01 |
| 上傳時間: | 2015-05-06 21:24:35 (UTC+8) |
| 出版者: | Taylor & Francis Inc |
| 摘要: | The adsorption of benzothiophene sulfone and dibenzothiophene sulfone from diesel using six different types of adsorbents were investigated. Adsorbents used were commercial adsorbents granular-activated carbon (GAC), aluminum oxide (ALU), novel adsorbents chitosan-coated bentonite (CHB), and metal-ion impregnated activated carbons, where there types of metal ions, Cu2+, Fe3+, and Ni2+, were loaded (Cu2+/AC, Fe3+/AC, Ni2+/AC). Kinetic studies conducted showed that the adsorption process followed a pseudo-second-order kinetics. Equilibrium studies indicated that the heterogeneous and homogenous monolayer adsorption and are present in the process. Moreover, based on the results of sulfone removal using the synthetic diesel fuel, increasing removal efficiencies of Benzothiophene sulfone followed the order of ALU<GAC<Cu2+/AC < <Fe3+/AC<CHB, while for dibenzothiophene sulfone (DBTO) removal, increasing DBTO removed efficiencies followed the order of GAC<CHB<ALU<Cu2+/AC approximate to Fe3+/AC approximate to Ni2+/AC. |
| 關聯: | Desalination and Water Treatment, v.52 n.4-6, pp.873-879 |
| 顯示於類別: | [環境工程與科學系(所)] 期刊論文
[環境資源管理系(所)] 期刊論文
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