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北京石油化工学院2026年研究生招生接收调剂公告
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loser

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The chlorine content on the fresh catalyst is about 2.3 wt‰, which is from the raw materials for preparation of catalyst just like Fe. Normally, the chlorine amount decreases with the reaction time in the reductive hydrogen atmosphere when no chlorine species exist in the reagent oils. Figure 1 shows that the chlorine amount of catalyst using Karamay reagent oils decreases with the reaction time, which means that no chlorine exists in the reagent oils or the amount of chlorine is negligible.  However, the chlorine amount of catalyst using Daqing reagent oils increases with the reaction time as shown in Figure 2, which implies that Daqing oils contain a certain amount of chlorine species. Fortunately, all the chlorine species can be removed almost completely by air treating process as shown in Figure 1 (500hAre) and Figure 2 (8KhAre).

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loser: 金币+35, 翻译EPI+1, ★★★★★最佳答案 2014-03-31 21:44:46
The chlorine content on the fresh catalyst is about 2.3 wt‰, which is from the raw materials of  preparation  catalyst just like that of Fe. Normally, the chlorine amount will decrease with the reaction time in the reductive  atmosphere of  hydrogen as long as no chlorine species exist in the reagent oil. Figure 1 shows how  the chlorine amount of catalyst  in  Karamay reagent oil decreases with the reaction time, which means that either no chlorine exists in the reagent oil or the amount of chlorine is negligible. Nevertheless, the chlorine amount of catalyst  in  Daqing reagent oil increases with the reaction time which was  shown in Figure 2 and  implied that Daqing oil  contains a certain amount of chlorine species. Fortunately, all the chlorine species can be removed almost completely by air treating process  shown in Figure 1 (500 h Are) and Figure 2 (8 Kh Are).
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