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由表1看出催化劑具有較好的加氫異構(gòu)性能和原料適應(yīng)性，能夠高收率將各種含蠟原料轉(zhuǎn)化為高粘度指數(shù)甚至超高粘度指數(shù)的低凝基礎(chǔ)油。原料的反應(yīng)效能主要與其含蠟量有關(guān)，環(huán)烷基VGO和200SN脫蠟油含蠟量較少，原料凝點(diǎn)不高，在較溫和條件下即可將其傾點(diǎn)降至規(guī)定溫度；而650SN含蠟量較高，異構(gòu)降凝幅度須達(dá)到80℃，因此需要苛刻的反應(yīng)條件。 According to the analysis in table 1，the catalyst has well hydroisomerization activity and adaptability to feedstock, it can transform various feedstock with wax into low-freezing base oil which has high viscosity index or ultrahigh viscosity index.The efficiency of reaction relate to the wax content , naphthenic VGO and 200SN dewaxing oil have little wax,so the solid point is not high,and it can reduce the pour point to the prescriptive temperature under a mild condition;Otherwise the wax content of 650SN is high,and the pour point must reduce by 80℃, thereby,it needs a rigorous reaction condition. |
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| According to the analysis in table 1，the catalyst has well hydroisomerization activity and adaptability to feedstock, it can transform various feedstocks with wax into low-freezing base oil with high viscosity index or ultrahigh viscosity index.The efficiency of the reaction relate to the content of the wax. naphthenic VGO and 200SN dewaxing oil have little wax,so the solid point is not high,and it can reduce the pour point to the prescriptive temperature under a mild condition，while the wax content of 650SN is higher,the pour point should reduce by 80℃, thereby,it needs a rigorous reaction condition. |
2樓2010-11-15 07:36:19
| According to the analysis of table 1, the catalyst has well hydroisomerization activity and adaptability to the feedstocks, whcih can effectively transform various waxy feedstocks into low-freezing base oil with high or ultrahigh viscosity index. The efficiency of the reaction relates to the wax content. As naphthenic VGO and 200SN dewaxing oil contain little wax, the condensation point of each is not high, and it can reduce the pour point to the prescriptive temperature under a milder condition. While the wax content of 650SN is higher, the pour point must be reduced by 80 ℃, so it needs a rigorous reaction condition. |
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| According to the analysis of Table 1, the catalyst has well hydroisomerization activity and adaptability to the feedstocks, whcih can effectively transform various waxy feedstocks into low-freezing base oil with high or ultrahigh viscosity index. The efficiency of the reaction relates to the wax content. As naphthenic VGO and 200SN dewaxing oil contain little wax, the condensation point of each is not high, and it can reduce the pour point to the prescriptive temperature under a milder condition. While the wax content of 650SN is higher, the pour point must be reduced by 80 ℃, so it needs a rigorous reaction condition. |
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