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Catalytic dehydration of lactic acid to acrylic acid over dibarium pyrophosphate

Paper ID Volume ID Publish Year Pages File Format Full-Text
50448 46794 2014 4 PDF Available
Title
Catalytic dehydration of lactic acid to acrylic acid over dibarium pyrophosphate
Abstract

•Biomass lactic acid is a promising candidate for production of bulk chemicals.•Ba2P2O7 has a high activity for dehydration of lactic acid to acrylic acid.•Ba2P2O7 meterial was first utilized in the catalytic dehydration system.

Barium phosphate catalysts were prepared by a precipitation method. The catalysts were calcined at 500 °C for 6 h in air atmosphere and characterized by SEM for morphological features, by XRD for crystal phases, by N2 sorption for specific surface area, by TPD–NH3 for acidity and by TG for thermal stability. The dibarium pyrophosphate catalyst was found to have the best catalytic performance, ascribing to weak acidity on the surface. Under the optimal reaction conditions, 99.7% of the lactic acid conversion and 76.0% of the selectivity to acrylic acid were achieved over the dibarium pyrophosphate catalyst.

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Keywords
Dehydration; Lactic acid; Acrylic acid; Dibarium pyrophosphate; Biomass
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Catalytic dehydration of lactic acid to acrylic acid over dibarium pyrophosphate
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 43, 5 January 2014, Pages 231–234
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
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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