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Effects of careful designing of SAPO-44 catalysts on the efficient synthesis of furfural

Paper ID Volume ID Publish Year Pages File Format Full-Text
54093 46996 2015 7 PDF Available
Title
Effects of careful designing of SAPO-44 catalysts on the efficient synthesis of furfural
Abstract

•Correlation of properties of SAPO-44 with catalytic activities.•Optimization of SAPO-44 catalyst synthesis parameters to achieve better activity.•Crystallization time & silica content influences the activity of catalyst.•One-pot conversion of xylan to furfural (82%) with 8 times recyclability.

Considering the growing importance of furfural, it is necessary to develop a robust solid acid catalyst for the conversion of xylan (hemicelluloses) into furfural in a one-pot method. In this study, the effects of various components (Si, Al and P) and crystallization time on the preparation of acidic materials and their properties are extensively described. It is seen that with the increase in crystallization time (0, 48, 96, 176 h) during the synthesis of silicoaluminophosphate (SAPO-44), materials morphology changes from amorphous to AFI to CHA and the best activity for furfural synthesis (82%) from xylan was observed with SAPO-44 catalyst aged for 176 h. Since, acidity in the SAPO-44 is guided by the incorporation of Si in the ALPO framework, study on Si molar concentration (0.8, 1.0, 1.2, 1.4 and 1.6) in SAPO-44 was carried out and it was observed that SAPO-44 having 1.0 mole of Si content is the best catalyst for the xylan/xylose conversion to furfural. Catalyst structure–activity correlation is thoroughly defined with the help of several physico-chemical properties.

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Keywords
Biomass; Furfural; Hemicellulose; SAPO-44; Xylose
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Effects of careful designing of SAPO-44 catalysts on the efficient synthesis of furfural
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 251, 1 August 2015, Pages 66–72
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