Pyrolysis gasoline selective hydrogenation catalyst and preparation method and application thereof

The invention relates to a pyrolysis gasoline selective hydrogenation catalyst and a preparation method and application thereof. The catalyst comprises active palladium and an alumina carrier, the acidic area of the alumina carrier at 150-250 DEG C is 20-60%, and the acidic area of the alumina carri...

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Bibliographische Detailangaben
Hauptverfasser:	JIANG XINGHUA, LIU ZHONGNENG, GU GUOYAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a pyrolysis gasoline selective hydrogenation catalyst and a preparation method and application thereof. The catalyst comprises active palladium and an alumina carrier, the acidic area of the alumina carrier at 150-250 DEG C is 20-60%, and the acidic area of the alumina carrier at 250-400 DEG C is 40-80%. The catalyst is suitable for cracking gasoline hydrogenation of C6-C8 hydrocarbon compound middle fractions and full fractions (C5 hydrocarbon to hydrocarbon compound fractions with the dry point of 204 DEG C), and has the advantages of good low-temperature activity, high selectivity and high stability. 本发明涉及一种用于裂解汽油选择性加氢催化剂及其制备方法与应用，所述催化剂包括活性钯和氧化铝载体，其中氧化铝载体中150-250℃酸性面积为20-60％，250-400℃酸性面积为40-80％。该催化剂适用于C6～C8烃化合物中间馏分及全馏分(C5烃～干点为204℃的烃化合物馏分)裂解汽油加氢，且具有良好的低温活性、较高的选择性和稳定性的优点。