Effect of acidity of oxide support on the activity and stability of μ-nitrido diiron phthalocyanine complex
- Authors
- Cho, K.; Kim, H.; Nhựt, L.M.; Seo, K.; Kim, M.-G.; Kim, C.
- Issue Date
- Apr-2019
- Publisher
- Institution of Chemical Engineers
- Keywords
- Acidity; Cyclohexane; Oxidation; Support; μ-Nitrido diiron phthalocyanine
- Citation
- Chemical Engineering Research and Design, v.144, pp 429 - 433
- Pages
- 5
- Journal Title
- Chemical Engineering Research and Design
- Volume
- 144
- Start Page
- 429
- End Page
- 433
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/18533
- DOI
- 10.1016/j.cherd.2019.02.023
- ISSN
- 0263-8762
1744-3563
- Abstract
- Various oxides, including Al 2 O 3 , Fe 2 O 3 , SiO 2 , and ZrO 2 , were employed as catalyst supports for the oxidation of cyclohexane by a μ-nitrido-bis[tetra(tert-butyl)phthalocyaninatoiron] complex. These oxide supports were characterized by Brunauer–Emmett–Teller surface area measurements and NH 3 temperature-programmed desorption analyses. The catalyst supported on Al 2 O 3 , which has the highest acidity among the oxides considered here, showed the best activity with a turnover number (TON) of ˜108.8, without any co-catalyst. Furthermore, recycle tests of the catalysts revealed a TON of 69.3 for the Al 2 O 3 -supported catalyst after the third run. The strongly acidic sites in the Al 2 O 3 support could be responsible for the strong adsorption of μ-nitrido diiron phthalocyanine, resulting in enhanced catalytic activity and stability. © 2019 Institution of Chemical Engineers
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