The effect of crystal size of USY zeolite on the performance of hydro-upgrading catalysts for treating catalytically cracked(FCC) LCO(light cycle oil) was studied.Three W-Ni catalysts supported on USY zeolites with di...The effect of crystal size of USY zeolite on the performance of hydro-upgrading catalysts for treating catalytically cracked(FCC) LCO(light cycle oil) was studied.Three W-Ni catalysts supported on USY zeolites with different crystal sizes and Al2O3 were prepared by impregnation method.The catalysts were characterized by XRD and BET methods,and evaluated in a micro-reactor using tetralin as the model compound and in an 100-mL hydrogenation test unit using FCC LCO as the feedstock.By contrast,catalyst made from smaller crystal-size USY zeolite had higher external surface area and shorter pore length,having more hydrogenation activity sites and short contact time of reactant molecules with acidity sites.The evaluation results showed that the catalyst prepared on the basis of small crystal-size USY zeolite had higher tetralin conversion and better hydro-upgrading performance for treating FCC LCO.展开更多
加氢裂化-加氢精制平行进料工艺(FHC-FHF)是由中国石油化工股份有限公司抚顺石油化工研究院自主开发的新型加氢工艺。介绍了该工艺首次工业应用于中海石油舟山石化有限公司1.7 M t/a馏分油加氢装置的情况,包括工艺流程、催化剂的性质、...加氢裂化-加氢精制平行进料工艺(FHC-FHF)是由中国石油化工股份有限公司抚顺石油化工研究院自主开发的新型加氢工艺。介绍了该工艺首次工业应用于中海石油舟山石化有限公司1.7 M t/a馏分油加氢装置的情况,包括工艺流程、催化剂的性质、装填、硫化、钝化,详细介绍了标定期间的主要操作条件、原料及产品性质、物料平衡,分析了该工艺的特点及缺陷。实践证明,该工艺的首次工业应用是成功的。针对加工原料氮含量较高的情况,提出了改进裂化催化剂的抗氮性能和精制催化剂的低温脱氮性能的建议。展开更多
基金support from the China National Petroleum Corporation (CNPC) (2011B-2304-0305)
文摘The effect of crystal size of USY zeolite on the performance of hydro-upgrading catalysts for treating catalytically cracked(FCC) LCO(light cycle oil) was studied.Three W-Ni catalysts supported on USY zeolites with different crystal sizes and Al2O3 were prepared by impregnation method.The catalysts were characterized by XRD and BET methods,and evaluated in a micro-reactor using tetralin as the model compound and in an 100-mL hydrogenation test unit using FCC LCO as the feedstock.By contrast,catalyst made from smaller crystal-size USY zeolite had higher external surface area and shorter pore length,having more hydrogenation activity sites and short contact time of reactant molecules with acidity sites.The evaluation results showed that the catalyst prepared on the basis of small crystal-size USY zeolite had higher tetralin conversion and better hydro-upgrading performance for treating FCC LCO.
文摘加氢裂化-加氢精制平行进料工艺(FHC-FHF)是由中国石油化工股份有限公司抚顺石油化工研究院自主开发的新型加氢工艺。介绍了该工艺首次工业应用于中海石油舟山石化有限公司1.7 M t/a馏分油加氢装置的情况,包括工艺流程、催化剂的性质、装填、硫化、钝化,详细介绍了标定期间的主要操作条件、原料及产品性质、物料平衡,分析了该工艺的特点及缺陷。实践证明,该工艺的首次工业应用是成功的。针对加工原料氮含量较高的情况,提出了改进裂化催化剂的抗氮性能和精制催化剂的低温脱氮性能的建议。
