## Sr-promoted rare earth (viz. La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Er and Yb) oxide catalysts (Sr/rare earth ratio \ 0Γ1) are compared for their performance in the oxidative coupling of methane (OCM) to hydrocarbons and C 2 oxidative dehydrogenation of ethane (ODE) to ethylene at di β erent temperatur
The performance and structure of rare earth oxides modified by strontium fluoride for methane oxidative coupling
β Scribed by Ruiqiang Long; Yaping Huang; Weizheng Weng; Huilin Wan; Khirui Tsai
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 621 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0920-5861
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## Abstract Rare earth (viz. La, Ce, Sm, Nd and Yb) promoted CaO catalysts have been investigated, comparing their surface properties (viz. surface area and basicity/base strength distribution) and catalytic activity/selectivity in the oxidative coupling of methane at different reaction conditions
EIVI Fig. 1. Cyclovoltammograins of 1 and 4. (---): Voltammogram of 1 embedded in a carbon paste electrode [12] in DMSO/O.l M Bu,NC10,, scan rate 1 mVs-', Ep(red) = -0.20, -0.46, -0.69 V; E,(ox) = -0.15, -0.41, -0.58 V. (--): Solution cyclic voltammogram of 4 in DMSO/O.I M Bu,NCIO, on a 0.07 cm2 Pt