Wan Azelee, Ihsan and Aris, Azmi and Wan Abu Bakar, Wan Azelee (2022) Novel environmentally friendly catalytic oxidation approaches on elemental mercury removal from carbon steel surface. Songklanakarin Journal of Science and Technology, 44 (3). pp. 728-734. ISSN 0125-3395
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Official URL: http://dx.doi.org/10.14456/sjst-psu.2022.98
Abstract
To date, technology for the removal of elementary mercury adsorbed on carbon steel surfaces with very minimum iron (Fe) leaching is apparently missing. In this study, the oxidation reaction of mono-peroxyacetic acid (PAA) was used in the presence of Ru/Mn/Al2O3 catalyst to enhance the treatment removal. The obtained results revealed that the PAA alone could reduce 91% of Hg° removal in 3 h. Interestingly, with the presence of Ru/Mn/Al2O3 catalyst calcined at 1000°C, the PAA managed to remove almost 99% of Hg° at the same treatment time with the lowest Fe leaching of 17 ppm.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | carbon steel, catalyst, Fe leaching, mercury, peroxyacetic acid |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Civil Engineering |
| ID Code: | 98998 |
| Deposited By: | Widya Wahid |
| Deposited On: | 22 Feb 2023 03:38 |
| Last Modified: | 22 Feb 2023 03:38 |
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