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Synthesis of light hydrocarbons from syngas in near-critical phase

Paper ID Volume ID Publish Year Pages File Format Full-Text
41571 45893 2011 6 PDF Available
Title
Synthesis of light hydrocarbons from syngas in near-critical phase
Abstract

Selective synthesis of light hydrocarbons from synthesis gas (syngas) over hybrid catalysts based on the Cu–Zn oxide and Pd-β zeolite in a near-critical phase was investigated. Light hydrocarbons were directly synthesized from syngas over the catalysts through an intermediate of methanol or DME. Introduction of near-critical fluid remarkably decreased the yield of CO2 by suppressing the water–gas shift reaction. Differences in activity, CO2 selectivity, hydrocarbon distributions, catalyst stability and heat transfer between near-critical and conventional gas phase light hydrocarbons synthesis were compared. Efficient removal of reaction heat increased the stability of the catalysts and selectivity of light hydrocarbons in the reaction.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (254 K)Download as PowerPoint slideHighlights► Hybrid catalysts based on the Cu–Zn oxide and Pd-β zeolite has been prepared. ► Light hydrocarbons were directly synthesized from syngas in a near-critical phase. ► Introduction of near-critical fluid remarkably decreased the yield of CO2 by suppressing the water–gas shift reaction. ► Efficiently removing reaction heat increased the stability of the catalysts and selectivity of light hydrocarbons.

Keywords
Near-critical phase; Light hydrocarbons; Synthesis gas; Methanol; DME
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 401, Issues 1–2, 15 July 2011, Pages 147–152
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