By using the group IIIB or groupVIIB metals and modulating thecharacteristics of electric charges on carrier surface, improving the catalyst preparation processand techniques for loading the active metal components, a...By using the group IIIB or groupVIIB metals and modulating thecharacteristics of electric charges on carrier surface, improving the catalyst preparation processand techniques for loading the active metal components, a novel type SY-2 catalyst earmarked fortwo-stage hydrogenation of pyrolysis gasoline has been developed. The catalyst evaluation resultshave indicated that the novel catalyst is characterized by a better hydrogenation reaction activityto give higher aromatic yield.展开更多
以TiO_2-Al_2O_3复合物为载体,采用浸渍法负载金属Ni制备了Ni/TiO_2-Al_2O_3裂解汽油预加氢催化剂(YN-1型)。针对裂解C_9^+原料在实验室200 m L加氢小试装置上进行了评价,并在新疆独山子天利实业总公司裂解C_9^+预加氢装置上对该催化剂...以TiO_2-Al_2O_3复合物为载体,采用浸渍法负载金属Ni制备了Ni/TiO_2-Al_2O_3裂解汽油预加氢催化剂(YN-1型)。针对裂解C_9^+原料在实验室200 m L加氢小试装置上进行了评价,并在新疆独山子天利实业总公司裂解C_9^+预加氢装置上对该催化剂进行了工业应用。实验室评价结果表明,YN-1型催化剂用于裂解C_9^+原料一段加氢,不但具有良好的低温加氢活性和选择性,且稳定性良好;工业应用结果表明,在反应器入口温度远低于设计温度的条件下,对于胶质含量(基于100 m L原料油)大于100 mg和溴价(基于100 g原料油)大于95 g的裂解C_9^+原料进行预加氢,装置操作平稳,催化剂床层未出现飞温现象,催化剂能够适应超过90℃的反应温升;加氢产品中苯乙烯类芳烃、二烯烃、双环二烯烃和茚的含量(w)比原料分别下降了75.51%,91.00%,85.51%,56.64%,且芳烃没有损失。展开更多
文摘By using the group IIIB or groupVIIB metals and modulating thecharacteristics of electric charges on carrier surface, improving the catalyst preparation processand techniques for loading the active metal components, a novel type SY-2 catalyst earmarked fortwo-stage hydrogenation of pyrolysis gasoline has been developed. The catalyst evaluation resultshave indicated that the novel catalyst is characterized by a better hydrogenation reaction activityto give higher aromatic yield.
文摘以TiO_2-Al_2O_3复合物为载体,采用浸渍法负载金属Ni制备了Ni/TiO_2-Al_2O_3裂解汽油预加氢催化剂(YN-1型)。针对裂解C_9^+原料在实验室200 m L加氢小试装置上进行了评价,并在新疆独山子天利实业总公司裂解C_9^+预加氢装置上对该催化剂进行了工业应用。实验室评价结果表明,YN-1型催化剂用于裂解C_9^+原料一段加氢,不但具有良好的低温加氢活性和选择性,且稳定性良好;工业应用结果表明,在反应器入口温度远低于设计温度的条件下,对于胶质含量(基于100 m L原料油)大于100 mg和溴价(基于100 g原料油)大于95 g的裂解C_9^+原料进行预加氢,装置操作平稳,催化剂床层未出现飞温现象,催化剂能够适应超过90℃的反应温升;加氢产品中苯乙烯类芳烃、二烯烃、双环二烯烃和茚的含量(w)比原料分别下降了75.51%,91.00%,85.51%,56.64%,且芳烃没有损失。
文摘根据催化裂解汽油组成特点,开发了"切C5-脱砷-切C9-两段加氢"工艺技术路线及配套的一、二段加氢催化剂。采用该工艺技术路线,利用自制催化剂对催化裂解汽油进行加氢处理,500 h稳定性评价结果表明,开发的工艺技术路线合理、可靠,催化剂性能稳定,产品溴价小于1.0 g Br/100 g,硫含量小于1.0μg/g,满足芳烃抽提要求。