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Highly stable Fe on activated carbon catalysts for CWPO upon FeCl3 activation of lignin from black liquors

Paper ID Volume ID Publish Year Pages File Format Full-Text
55389 47050 2012 7 PDF Available
Title
Highly stable Fe on activated carbon catalysts for CWPO upon FeCl3 activation of lignin from black liquors
Abstract

Iron-on-activated carbon catalysts for CWPO have been prepared through FeCl3-activation of lignin isolated from alkaline-pulping black liquors. The purpose of the chemical activation with FeCl3 is twofold; (i) produce carbon catalysts with a well-developed porous structure and (ii) introduce stable iron in the carbon matrix that acts as active phase in CWPO processes avoiding, or substantially decreasing, the iron leaching at the reaction conditions. The carbon catalysts obtained are essentially microporous with a relatively low amount of iron (less than 1 wt%). The increase of the activation temperature up to 800 °C favors a more homogeneous iron distribution through the carbon particles. The carbons obtained show a fairly good catalytic activity but mainly a very high stability, with almost no iron leaching at the reaction conditions analyzed.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (231 K)Download as PowerPoint slideHighlights► Iron-activated carbon catalysts have been prepared through FeCl3-activation of lignin. ► The catalysts are essentially microporous with a relatively low amount of iron (<1 wt%). ► The catalysts have shown to be active and highly stable for CWPO.

Keywords
Carbon catalyst; Chemical activation; Iron chloride; CWPO; Phenol; Stability
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Highly stable Fe on activated carbon catalysts for CWPO upon FeCl3 activation of lignin from black liquors
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 187, Issue 1, 30 June 2012, Pages 115–121
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