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Synthesis of the new framework phosphates and their catalytic activity in ethanol conversion into hydrocarbons

Paper ID Volume ID Publish Year Pages File Format Full-Text
55059 47039 2012 5 PDF Available
Title
Synthesis of the new framework phosphates and their catalytic activity in ethanol conversion into hydrocarbons
Abstract

The series of new framework phosphate catalysts was synthesized and their activity in ethanol conversion to hydrocarbons was studied for the first time. The results were summarized for studies of NASICON (NZP) type phosphates formation A1±xZr2−xMx(PO4)3 (where A = H3O+, Li+, Na+, Cu0.5+, M = In, аt x = 0, 0.2) with the desired structure and properties controllable by variation of their chemical composition and synthesis parameters. The surface characteristics and catalytic properties of the resulting systems and the yields of the target products formed by ethanol transformations in inert atmosphere were analyzed on the basis of catalysts synthesis conditions. NaZr2(PO4)3 was the most active in hydrocarbons C3+ formation. On benzene yield the catalysts formed the row LiZr2(PO4)3 {II} ≈ Li1.2Zr1.8In0.2(PO4)3 {II} > LiZr2(PO4)3 {I} > NaZr2(PO4)3 {I}.

Graphical abstractThe series of new framework phosphate catalysts was synthesized and their activity in ethanol conversion to hydrocarbons was studied for the first time. The results were summarized for studies of NASICON (NZP) type phosphates formation A1±xZr2−xMx(PO4)3 (where A = H3O+, Li+, Na+, Cu0.5+, M = In, аt x = 0, 0.2) with the desired structure and properties controllable by variation of their chemical composition and synthesis parameters. The surface characteristics and catalytic properties of the resulting systems and the yields of the target products formed by ethanol transformations in inert atmosphere were analyzed on the basis of catalysts synthesis conditions. NaZr2(PO4)3 was the most active in hydrocarbons C3+ formation. On benzene yield the catalysts formed the row LiZr2(PO4)3II ≈ Li1.2Zr1.8In0.2(PO4)3 > LiZr2(PO4)3I > NaZr2(PO4)3.Figure optionsDownload full-size imageDownload high-quality image (110 K)Download as PowerPoint slideHighlights► We have synthesized new catalysts of ethanol conversion of formula A1±xZr2−xMx(PO4)3. ► The catalysts were active in formation of ethene, hydrocarbons C3+ and aromatics. ► NaZr2(PO4)3 and LiZr2(PO4)3II were the most active in hydrocarbons C3+ formation. ► The most selective toward benzene was LiZr2(PO4)3II.

Keywords
Framework phosphate; NASICON; Catalyst; Dehydration; Dehydrogenation; Ethanol; Hydrocarbons
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Synthesis of the new framework phosphates and their catalytic activity in ethanol conversion into hydrocarbons
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 193, Issue 1, 15 October 2012, Pages 37–41
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
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Full-text PDF Download
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