Hydroxyl functionalized heteropolyacid catalyst as well as preparation method and application thereof

• Main Authors: WANG YAOWEI, TONG DINGYI, LIU DAN, ZHAO YUNXING, CAI TAO, LIU SHENGGAO, SUN LIWEN, LUAN BO, ZENG HONGLING, YAO GANG
• Format: Patent
• Language: Chinese; English
• Published: 03.04.2018
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; ORGANIC CHEMISTRY; 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

The invention discloses a hydroxyl functionalized heteropolyacid catalyst as well as a preparation method and an application thereof. The cationic structure of the hydroxyl functionalized heteropolyacid catalyst contains hydroxyl. Preferably, the hydroxyl functionalized heteropolyacid catalyst has the structure shown in the description, wherein R1 is C2-C45 alkyl, R2, R3 and R4 are selected from C1-C25 alkyl or hydroxyalkyl, at least one of R2, R3 and R4 contains hydroxyl, Zn- is heteropolyacid radical, and n is any integer of 1-8. The hydroxyl functionalized heteropolyacid catalyst can be used in the oxidative desulfurization process, for example, the sulfur content of fuel can be decreased to 70% or below at the normal temperature while the quality indexes such as olefin content, octanenumber and the like of fuel are not affected, besides, and the hydroxyl functionalized heteropolyacid catalyst can still keep 50% desulfurization efficiency or above after being recycled. 本发明公开了种羟基功能化杂多酸催化剂、其制备方法及应用。所述羟基功能化杂多