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磷钨酸纳米ZSM-5复合催化剂的氧化脱硫反应性

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2016-03-10

Journal: 应用化学

Included Journals: CSCD、ISTIC、PKU

Volume: 33

Issue: 3

Page Number: 364-366

ISSN: 1000-0518

Key Words: 磷钨酸;纳米沸石;氧化脱硫;正辛烷

Abstract: 采用浸渍法制备了纳米晶ZSM-5负载的磷钨酸复合固体催化剂,纳米晶ZSM-5上单独负载磷钨酸时,Keggin结构磷钨酸转变为Dawson结构多酸化合物,结合镍盐后Keggin结构保持不变.以有机硫化物氧化脱硫为探针反应的研究结果表明,在低温(40℃)反应条件下,含二苯并噻吩有机硫组分的正辛烷模拟油品的脱硫率高达94.5%.

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