碳化钼和氮化钼结构_催化加氢性能及制备_李远志.pdf

»26  »5ù2004M10Ø,vÐÐ(1– SÐñ)Jof China Three GorgesUniv.(NaturalSciences)Vol.26No.5Oct.2004là°ù:2003-12-26T€eº: Ùù½(1966- ),3,q,pV.Ĭ„‹Ä¬²abÄF_Ÿ?#Å!李远志1 叶 刚2 周俊婷1 潘家荣1 李 昕1 杨昌英1(1.三峡大学化学与生命科学学院,湖北宜昌 443002;2.宜昌市技术监督局,湖北宜昌 443002)K1:就碳化钼和氮化钼结构及性质对芳香烃加氢a不饱和烃加氢aCO加氢以及加氢脱硫和脱氮等反应催化性能及其制备化学进行了综述.1oM:碳化钼; 氮化钼; 催化性能; 合成Ïms Ë|:O635.2 ÓDSM’: A ÓcI|:1672-948X(2004)05-0470-05Investigation into Structural Characteristics Catalytic Properties andSynthesis of Molybdenum Carbide and MolybdenumNitrideLiYuanzhi1 YeGang2 Zhou Junting1 Pan Jiarong1 LiXing1 YangChangying1(1.Collegeof Chemical& LifeScience,ChinaThreeGorgesUniv.,Yichang443002,China;2.YichangBureauofQuality&TechnicalSupervision,Yichang 443002,China)Abstract Thispaper makesareview onthestructural,catalyticforthefollowingreaction:hydrogenationofaromatichydro-carbon,hydrogenation ofunsaturatedalkene,hydrogenationofCO,hydrodesulphurization andhydrodenitrifationetc.,andtheirpreparation ofmolybdenumcarbideand nitride.Keywoeds molybdenum carbide; molybdenumnitride; catalyticproperties; synthesis¬¥‹Äþ„Äþy µLÁ‹¥tŸÉ, ,Œ×ÿH¥ÄÔq(TOF)¯ VÐLÁ‹PtRuM1E.Costa©[9]1,2,3,4)¹_ÄMbÄF_Q‹É›ùî,4³ž’ðÏcµ200ppm¥H2SH,Pt/Al2O3Pt/SiO2áÎ>,7Mo2C/Al2O3„WC/Al2O3bÄ4¥bÄF_ŸMÄ‚v.ð̨X-L(XRD)„?äÛö(EDS)ZEbÄF_Q‹-ª¥bÄ4É›V˜,²TVüMo2/Al2O3„WC/A12O3¥FÀµ?3MÄ,OÚsOiÈ0A±ä(HRTEM)LVüƒtbÄ4Àµ3î.y½A©[10]C-Mo2NbÄ4¥YF_Q‹bÄŸ?É›ùî,?C150e/,bÄ4¥YÄq¹95%,3îY¥Ê4Ÿ¹80%.iO,Q‹Ñ„ bÎQ‹¥Ê4Ÿ¥•Y‚v.7]"Hq/,£bÄ4Y¥F_Áþö1¹Yš.ðÌª¹Q‹K¨,YC-Mo2NVë™îBñ_Ćþs0ª,ÁbÄ4Y¥¸? ï¥hÐ,†®YÉB„F_3ÁYš¥Îq,V7 µ Ú¥YF_3îY¥Ê4Ÿ.Ranhotra©[11]|Ĭ„‹Ä¬bÄ4¨¿COF_Q‹,?CC-Mo2N, A-Mo2C1- x#B-Mo2CbÄ4¥bÄŸÐRu/A12O3bÄ4 Ë»,O-3€3îJš¥Ê4Ÿ®¿ª€.Ð5ƒtĬ„‹Ä¬COF_Q‹¥bğлØBLÁ‹bÄ4¥bÄŸ Ë»,ŒbÄQ‹î ïÐ‚].Ĭ„‹Ä¬bÄ4,CO„H2¥Q‹)” (¹ž´,7»ØBLÁ‹bÄ4,CO¥Q‹)” (¹µ´.ƒªüĬ„‹Ä¬bÄ4¥COF_Q‹ØлØBLÁ‹bÄ4 V?‚],îðy V?^COaH2#Áþ¸Ä¬„‹Ä¬bÄ4V륂]ŸÊ,7»ØBLÁ‹bÄ4COaH2„Áþ?3隸.Lee©[12]¥²TVüMo2CbÄ4žàš_³Q‹¥bÄŸÐRu/A12O3bÄ4MÍ.Ranhotra©4³ž[13] B-Mo2CYš_³Q‹¥bÄŸ1A-MoC1- x( x~ 0.5)Ú200.KÍ,áÌ?C‹Ä¬bÄ4É õžµz¥bÄŸ?, ÚÑ„â ï/,í‚^¥ÄqÎ^3Ê4Ÿ (ª¿µ˜LÁ‹PdbÄ4[14].áÌÎ?C¨íÍĬ„‹Ä¬bÄ4VëŸþɬ¥È0ÿÉ›©e, V[4Ú3Ê4Ÿ[15].Ĭ„‹Ä¬bÄ4¥6Bñ+Ä^ µª¥F_ÚÅ(F_‚;HDS„F_‚‹HDN)bÄŸ?.Èâ„300e¥Q‹Hq/, A-MoC1- xqF_‚;Q‹¥bÄŸÐȨ¥F_‚;bÄ4;ĬM»[16]. C-Mo2N¾Q‹9 µ Ú¥bÄŸ,OC-Mo2NbÄ4H2SrÏû×ç,C-Mo2N µ“ÚF_‚;bÄŸ¥ðy^y¹ñ µ Ú¥F_Ÿ[17].‹Ä¬F_‚‹(HDN)Q‹9µM’Ú¥bÄŸ,ñC) No¥_³Ê4ŸÚ¿È¨¥;ÄCo- Mo„Ni- MoF_‚‹bÄ471»26  »5ù Ùù½© Ĭ„‹Ä¬²abÄF_Ÿ?#Å!4[18,19].S@„ J¥HDNQ‹,Mo2NbÄ4H2Si/bÄŸ'‚M,ŒÁþ¥Ê4Ÿ?3MÄ,F_Áþ¥Ê4Ÿ9F.qHDNQ‹24hª¥Mo2NbÄ4É›X-Lx„; ˜£;öùî,²TVüMo2N¥8M²‚M,Vë9Àµ™îMoS2.ðÏcµNaS„O¥Ä†þF_ÚÅQ‹ÏP¨V¥Mo2NbÄ4É›XPSùî,²TVübÄ4Vëµ¥;Äþi[20].Mo2NbÄ4µM’Ú¥)HDNŸ„&:qHDSbÄŸ,ÁþsƒÐ;ÄMo/A12O3bÄ4'M][21],Àµ;Äþi¥Hq/)HDN¥Áþö1^YQ,7;Äþi/Áþö1^Ì-š.8î,‹Äþ„Äþ¸Q‹šQsÄa‚„QF_aCO(CO2)F_aF_‚;„F_‚‹© µÐLÁ‹bÄ4 Ë»¥bÄŸ?.ÐLÁ‹bÄ4M1,‹Äþ„ÄþNì ® ÷O µª¥ F;ÏýŸ?,# V¬î¹BՍ˜F_„Ê4ŸF_bÄ4.3 Ĭ„‹Ä¬¥Å!Å!Ĭ„‹Ä¬¥ÄÐZEµÕ,ÂÚÑQ‹Eañ½6ÑQ‹Ea®ÑAMQ‹E„© Ö08ÄÐQ‹E©.*ù,¦Ìö1¨ÚÑQ‹EÅ!Ĭ„‹Ä¬.Schwartzkopf©[22]ÚÑ/°¤Ä„‹ÄÁ‹Äþx,Œî¤"Ö1Vë ®.Leclercq©[23]|è?Ÿ¥Á‹Ä†þ•?žcµ®â_Äþ¥¸Ï,ÚÑ/°¤ÄŤîÄþ.YV¿MQ‹Ï¥8Fî„Á‹Ä†þ-8¥Õ ËŤ‚]¥Äþ„Äþ.¨ƒÕZE¤1Vër40 m2/g¥WC„MoOxCy.Iwama©[24,25]¨]"¥ZEŒ¨;F£è´Å¤WC,¨È0F£Á‹P­•?ž®âN2NH3Ï9 VŤVÁ‹‹Äþ.Boudart„Oyama©[26]?ZBÕÅ!Ú1VëÁ‹Äþ„‹Äþ¥ñ½6ÑQ‹E,î¨ð¹Á‹ÄþaCH4/H2
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