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loser木虫 (小有名气)
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| Figure 1 and 2 show that 0.6wt‰ amount of iron existed on the fresh catalyst, which is from the raw materials for preparation of catalyst. The Fe component on the fresh catalyst has no negative effect on the hydroisomerization reaction, since Fe locates in the catalyst support bulk with an inert state. The Fe content after reaction increases remarkably to more than 1.2 wt‰, e.g., 2Kh and 8Kh in Figure 1 and 2. All the Fe species adsorbed during reactions locates on the catalyst surface with reduced or oxidized states. These Fe components on the surface will have a series of complicated negative effects on the surface acidic sites and metallic sites, or even plug the pores of catalysts after long time enrichment of Fe from reagent oils. Further more, the solid Fe deposits on the catalyst can hardly be removed no matter by reductive or oxidative treating method. So Fe species in the reagent oils must be removed before reaction. |
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RXMCDM: 金币+1, 多谢应助！ 2014-03-31 22:20:30
loser: 金币+34, 翻译EPI+1, ★有帮助, 3 2014-04-02 08:37:59
RXMCDM: 翻译EPI-1 2014-04-02 10:37:20
RXMCDM: 金币-30 2014-04-02 10:37:42
RXMCDM: 金币+1, 多谢应助！ 2014-03-31 22:20:30
loser: 金币+34, 翻译EPI+1, ★有帮助, 3 2014-04-02 08:37:59
RXMCDM: 翻译EPI-1 2014-04-02 10:37:20
RXMCDM: 金币-30 2014-04-02 10:37:42
RXMCDM
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mac194
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RXMCDM: 金币+1, 多谢应 2014-04-01 14:56:51
RXMCDM: 翻译EPI+1 2014-04-02 10:37:29
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RXMCDM: 金币+1, 多谢应 2014-04-01 14:56:51
RXMCDM: 翻译EPI+1 2014-04-02 10:37:29
RXMCDM: 金币+30 2014-04-02 10:37:54
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