ICCAS OpenIR
Activity and selectivity of noble metal colloids for the hydrogenation of polyunsaturated soybean oil
Choo, HP; Liew, KY; Liu, HF; Seng, CE; Mahmood, WAK; Bettahar, M
2003-01-02
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume191Issue:1Pages:113-121
AbstractPolyvinylpyrrolidone stabilized Pt and Pd colloids with mean particle sizes ranging from 1.5 to 3.1 nm were prepared and are effective catalysts for the selective hydrogenation of polyunsaturated soybean oil at 35 degreesC and atmospheric pressure. The rate constants for the three stages of hydrogenation from linoleneate to linoleate to oleate and to stearate were determined and their ratios, which signify the selectivity were calculated. Pt and Pd catalysts show different rates of hydrogenation towards the double bonds. Pt catalyst has lower oleate selectivity leading to higher yields of saturated product but lower percentage of trans-isomer than the Pd catalyst at comparable mean particle size of 1.5 nm. The oleate selectivity increases while the linoleate selectivity as well as the activity decreases with an increase of the mean particle size. An intermediate trans, trans-linoleate was detected for the Pt catalyst with larger particle mean size. (C) 2002 Elsevier Science B.V. All rights reserved.
KeywordHydrogenation Soybean Oil Pt And Pd Nanocolloids Isomerization
Indexed BySCI
Language英语
WOS IDWOS:000180139700013
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80558
Collection中国科学院化学研究所
Corresponding AuthorLiew, KY
Affiliation1.Univ Sains Malaysia, Sch Chem Sci, Minden 11800, Penang, Malaysia
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Univ Nancy 1, CNRS, UMR 7565, Lab Catalyse Heterogene, F-54506 Vandoeuvre Les Nancy, France
Recommended Citation
GB/T 7714
Choo, HP,Liew, KY,Liu, HF,et al. Activity and selectivity of noble metal colloids for the hydrogenation of polyunsaturated soybean oil[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2003,191(1):113-121.
APA Choo, HP,Liew, KY,Liu, HF,Seng, CE,Mahmood, WAK,&Bettahar, M.(2003).Activity and selectivity of noble metal colloids for the hydrogenation of polyunsaturated soybean oil.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,191(1),113-121.
MLA Choo, HP,et al."Activity and selectivity of noble metal colloids for the hydrogenation of polyunsaturated soybean oil".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 191.1(2003):113-121.
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