《Table 3 Attribution and distribution of diffe re nt carbon in catalysts》

《Table 3 Attribution and distribution of diffe re nt carbon in catalysts》   提示:宽带有限、当前游客访问压缩模式
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《固定床渣油加氢脱金属废催化剂上焦炭结构和组成沿床层变化研究(英文)》


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In order to gain more structure information and deposition state of coke on the surface of catalysts,the facial carbon species w ere studied by XPS.Figure2(a),2(b),2(c)) show s the C 1s XPS spectra of HDM 1,HDM 2 and HDM 3.Figure 2(d)is the result of peak separation and fitting of HDM 2 by the softw are XPS peak.According to the reports[7,8],the peak of(284.6±0.3)eV and(285.2±0.3)eV correspondstoC-CandgraphitizingC-H,respectively.The peak of(286.0±0.3)eV correlates to C-N and(287.0±0.3)eV to C-S.The result of attribution and distribution of carbon in coke on catalysts w as listed in Table 3.