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Comparison of PdCo/SBA-15 prepared by co-impregnation and sequential impregnation for Fischer–Tropsch synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
49716 46763 2015 6 PDF Available
Title
Comparison of PdCo/SBA-15 prepared by co-impregnation and sequential impregnation for Fischer–Tropsch synthesis
Abstract

•Co-Pd/SBA-15 was prepared by co-impregnation (CIP) and sequential impregnation (SIP).•The reduced SIP catalyst had better Co dispersion.•Pd enhanced reduction of cobalt oxides and hydrogenation in FTS.•The SIP catalyst gave higher conversions of CO and H2.•The SIP catalyst gave higher selectivity and yield of C5–C9 products.

Properties and catalytic performance of bimetallic Pd–Co/SBA-15 prepared by co-impregnation (0.2Pd–10Co-CIP) and sequential impregnation (0.2Pd–10Co-SIP) for Fischer–Tropsch synthesis (FTS) were investigated. After calcination, Co3O4 was formed and located inside the channels of SBA-15 and on external surface. Compared to 0.2Pd–10Co-SIP, 0.2Pd–10Co-CIP had a smaller surface area, pore size, lower reduction temperature and less active sites due to larger particle sizes of Co3O4. From FTS testing, 0.2Pd–10Co-SIP provided higher and steadier conversions of CO and H2 as well as higher yield of C5–C9 products.

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Keywords
Fischer–Tropsch synthesis; Cobalt; Palladium; SBA-15; Co-impregnation; Sequential impregnation
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Comparison of PdCo/SBA-15 prepared by co-impregnation and sequential impregnation for Fischer–Tropsch synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 66, 5 June 2015, Pages 73–78
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us