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3Â¥2012-04-25 20:21:18
frankfh
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2Â¥2012-04-25 20:11:20
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loser: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-25 21:06:47
loser: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-25 21:06:47
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EffectofSi/Al ratio of the starting NaY on hydro-upgrading catalyst performance ×÷Õß:Wang, FC(Wang, Fucun)1,2; Wang, LA(Wang, Liang)3; Zhu, JL(Zhu, Jinling)2; Zhang, XJ(Zhang, Xuejun)2; Yan, ZF(Yan, Zifeng)1; Fang, F(Fang, Fang)3; Tian, R(Tian, Ran)2; Zhang, ZH(Zhang, Zhihua)2; Shen, BJ (Shen, Baojian)3 À´Ô´³ö°æÎï:CATALYSIS TODAY ¾í: 158 ÆÚ: 3-4 Ò³: 409-414 DOI: 10.1016/j.cattod.2010.05.041 ³ö°æÄê: DEC 22 2010 ±»ÒýƵ´Î:1(À´×Ô Web of Science) ÒýÓõIJο¼ÎÄÏ×:32[ ²é¿´ Related Records ] ÒýÖ¤¹ØÏµÍ¼ ÕªÒª:TheeffectofSi/Al ratio of the starting NaY on hydro-upgrading catalyst performance for LCO was studied. Y type zeolite modified from higher Si/Al ratio of the starting NaY also had higher framework Si/Al ratio. Three catalysts of W-Ni supported on different modified Y type zeolites and Al2O3 were prepared by impregnation method. The catalysts were characterized by XRD, BET, DRS and HRTEM, and evaluated with a micro-reactor using tetralin as a model compound and a 100 ml hydrogenation test unit using FCC LCO as feedstocks. By contrast, tungsten supported on Y type zeolite modified from higher Si/Al ratio of the starting NaY zeolite had more type II active phase and WS2 is highly stacked, exhibiting the weak interaction with Al2O3 and should have higher activity. The revaluation results revealed that the catalyst prepared by higher Si/Al ratio of the starting NaY zeolite has higher tetralin conversion and better hydro-upgrading performance for FCC LCO. (C) 2010 Elsevier B.V. All rights reserved. Èë²ØºÅ:WOS:000284583300034 ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English ×÷Õ߹ؼü´Ê:Si/Al ratio; NaY; Type II phase; Hydro-upgrading catalyst KeyWords Plus T-PD CATALYSTS; HYDROTREATING CATALYSTS; Y-ZEOLITE; GAS OIL; HYDRODESULFURIZATION; HYDROGENATION; SUPPORT; MO; TETRALIN; ALUMINUMͨѶ×÷ÕßµØÖ·:Yan, ZF (ͨѶ×÷Õß),China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China µØÖ·:1. China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Qingdao 266555, Peoples R China2. Daqing Petrochem Res Ctr PetroChina, Daqing 163714, Peoples R China3. China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China µç×ÓÓʼþµØÖ·:zfyancat@upc.edu.cn, baojian@cup.edu.cn |
4Â¥2012-04-25 20:24:13
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Effect of Si/Al ratio of the starting NaY on hydro-upgrading catalyst performance ×÷Õß: Wang, FC (Wang, Fucun)1,2; Wang, LA (Wang, Liang)3; Zhu, JL (Zhu, Jinling)2; Zhang, XJ (Zhang, Xuejun)2; Yan, ZF (Yan, Zifeng)1; Fang, F (Fang, Fang)3; Tian, R (Tian, Ran)2; Zhang, ZH (Zhang, Zhihua)2; Shen, BJ (Shen, Baojian)3 À´Ô´³ö°æÎï: CATALYSIS TODAY ¾í: 158 ÆÚ: 3-4 Ò³: 409-414 DOI: 10.1016/j.cattod.2010.05.041 ³ö°æÄê: DEC 22 2010 ±»ÒýƵ´Î: 1 (À´×Ô Web of Science) ÒýÓõIJο¼ÎÄÏ×: 32 [ ²é¿´ Related Records ] ÒýÖ¤¹ØÏµÍ¼ ÕªÒª: The effect of Si/Al ratio of the starting NaY on hydro-upgrading catalyst performance for LCO was studied. Y type zeolite modified from higher Si/Al ratio of the starting NaY also had higher framework Si/Al ratio. Three catalysts of W-Ni supported on different modified Y type zeolites and Al2O3 were prepared by impregnation method. The catalysts were characterized by XRD, BET, DRS and HRTEM, and evaluated with a micro-reactor using tetralin as a model compound and a 100 ml hydrogenation test unit using FCC LCO as feedstocks. By contrast, tungsten supported on Y type zeolite modified from higher Si/Al ratio of the starting NaY zeolite had more type II active phase and WS2 is highly stacked, exhibiting the weak interaction with Al2O3 and should have higher activity. The revaluation results revealed that the catalyst prepared by higher Si/Al ratio of the starting NaY zeolite has higher tetralin conversion and better hydro-upgrading performance for FCC LCO. (C) 2010 Elsevier B.V. All rights reserved. Èë²ØºÅ: WOS:000284583300034 ÎÄÏ×ÀàÐÍ: Article ÓïÖÖ: English ×÷Õ߹ؼü´Ê: Si/Al ratio; NaY; Type II phase; Hydro-upgrading catalyst KeyWords Plus: PT-PD CATALYSTS; HYDROTREATING CATALYSTS; Y-ZEOLITE; GAS OIL; HYDRODESULFURIZATION; HYDROGENATION; SUPPORT; MO; TETRALIN; ALUMINUM ͨѶ×÷ÕßµØÖ·: Yan, ZF (ͨѶ×÷Õß),China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China µØÖ·: 1. China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Qingdao 266555, Peoples R China 2. Daqing Petrochem Res Ctr PetroChina, Daqing 163714, Peoples R China 3. China Univ Petr, CNPC Key Lab Catalysis, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China µç×ÓÓʼþµØÖ·: zfyancat@upc.edu.cn, baojian@cup.edu.cn »ù½ð×ÊÖúÖÂл: »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ PetroChina 06-03A-01-05 [ÏÔʾ»ù½ð×ÊÖúÐÅÏ¢][Òþ²Ø»ù½ð×ÊÖúÐÅÏ¢] The authors gratefully acknowledge the funding of the research project under contract number 06-03A-01-05 by PetroChina for financial support. ³ö°æÉÌ: ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS Web of Science ·ÖÀà: Chemistry, Applied; Chemistry, Physical; Engineering, Chemical ѧ¿ÆÀà±ð: Chemistry; Engineering IDS ºÅ: 684VW ISSN: 0920-5861 |
5Â¥2012-04-25 21:00:42














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T-PD CATALYSTS; HYDROTREATING CATALYSTS; Y-ZEOLITE; GAS OIL; HYDRODESULFURIZATION; HYDROGENATION; SUPPORT; MO; TETRALIN; ALUMINUM