High-throughput screening of Co-BEA and Co-ZSM-5 coatings in the ammoxidation of ethylene to acetonitrile in a microstructured reactor

M.J.M. Mies; E.V. Rebrov; C.J.B.U. Schiepers; M.H.J.M. Croon, de; J.C. Schouten

doi:10.1016/j.ces.2006.12.018

High-throughput screening of Co-BEA and Co-ZSM-5 coatings in the ammoxidation of ethylene to acetonitrile in a microstructured reactor

M.J.M. Mies, E.V. Rebrov, C.J.B.U. Schiepers, M.H.J.M. Croon, de, J.C. Schouten

Chemical Reactor Engineering

Research output: Contribution to journal › Article › Academic › peer-review

19 Citations (Scopus)

Abstract

The activity and selectivity of Co-ZSM-5 and Co-BEA coatings (Si/Al=15–23) with a thickness of 1 um deposited on a Mo substrate were determined in the ammoxidation of ethylene in a microreactor. Zeolite Beta coatings were more than twice as selective towards the acetonitrile formation than ZSM-5 coatings. The rate of acetonitrile formation increased by a factor of 6 by increasing the aluminum content in the coatings from a Si/Al ratio of 23 to 15. The effect of the Co/Al ratio was less pronounced. The addition of small amounts of boron decreased the selectivity to acetonitrile in the whole range of Si/Al ratios studied. A maximum TOF of 0.8 / 1s was obtained at a reaction temperature of 500 °C, with a selectivity of 58% to acetonitrile. The optimized zeolitic coatings show higher reaction rates than a pelletized Co-ZSM-5 catalyst.

Original language	English
Pages (from-to)	5097-5101
Journal	Chemical Engineering Science
Volume	62
Issue number	18-20
DOIs	https://doi.org/10.1016/j.ces.2006.12.018
Publication status	Published - 2007

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title = "High-throughput screening of Co-BEA and Co-ZSM-5 coatings in the ammoxidation of ethylene to acetonitrile in a microstructured reactor",

abstract = "The activity and selectivity of Co-ZSM-5 and Co-BEA coatings (Si/Al=15–23) with a thickness of 1 um deposited on a Mo substrate were determined in the ammoxidation of ethylene in a microreactor. Zeolite Beta coatings were more than twice as selective towards the acetonitrile formation than ZSM-5 coatings. The rate of acetonitrile formation increased by a factor of 6 by increasing the aluminum content in the coatings from a Si/Al ratio of 23 to 15. The effect of the Co/Al ratio was less pronounced. The addition of small amounts of boron decreased the selectivity to acetonitrile in the whole range of Si/Al ratios studied. A maximum TOF of 0.8 / 1s was obtained at a reaction temperature of 500 °C, with a selectivity of 58% to acetonitrile. The optimized zeolitic coatings show higher reaction rates than a pelletized Co-ZSM-5 catalyst.",

author = "M.J.M. Mies and E.V. Rebrov and C.J.B.U. Schiepers and {Croon, de}, M.H.J.M. and J.C. Schouten",

year = "2007",

doi = "10.1016/j.ces.2006.12.018",

language = "English",

volume = "62",

pages = "5097--5101",

journal = "Chemical Engineering Science",

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number = "18-20",

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TY - JOUR

T1 - High-throughput screening of Co-BEA and Co-ZSM-5 coatings in the ammoxidation of ethylene to acetonitrile in a microstructured reactor

AU - Mies, M.J.M.

AU - Rebrov, E.V.

AU - Schiepers, C.J.B.U.

AU - Croon, de, M.H.J.M.

AU - Schouten, J.C.

PY - 2007

Y1 - 2007

N2 - The activity and selectivity of Co-ZSM-5 and Co-BEA coatings (Si/Al=15–23) with a thickness of 1 um deposited on a Mo substrate were determined in the ammoxidation of ethylene in a microreactor. Zeolite Beta coatings were more than twice as selective towards the acetonitrile formation than ZSM-5 coatings. The rate of acetonitrile formation increased by a factor of 6 by increasing the aluminum content in the coatings from a Si/Al ratio of 23 to 15. The effect of the Co/Al ratio was less pronounced. The addition of small amounts of boron decreased the selectivity to acetonitrile in the whole range of Si/Al ratios studied. A maximum TOF of 0.8 / 1s was obtained at a reaction temperature of 500 °C, with a selectivity of 58% to acetonitrile. The optimized zeolitic coatings show higher reaction rates than a pelletized Co-ZSM-5 catalyst.

AB - The activity and selectivity of Co-ZSM-5 and Co-BEA coatings (Si/Al=15–23) with a thickness of 1 um deposited on a Mo substrate were determined in the ammoxidation of ethylene in a microreactor. Zeolite Beta coatings were more than twice as selective towards the acetonitrile formation than ZSM-5 coatings. The rate of acetonitrile formation increased by a factor of 6 by increasing the aluminum content in the coatings from a Si/Al ratio of 23 to 15. The effect of the Co/Al ratio was less pronounced. The addition of small amounts of boron decreased the selectivity to acetonitrile in the whole range of Si/Al ratios studied. A maximum TOF of 0.8 / 1s was obtained at a reaction temperature of 500 °C, with a selectivity of 58% to acetonitrile. The optimized zeolitic coatings show higher reaction rates than a pelletized Co-ZSM-5 catalyst.

U2 - 10.1016/j.ces.2006.12.018

DO - 10.1016/j.ces.2006.12.018

M3 - Article

SN - 0009-2509

VL - 62

SP - 5097

EP - 5101

JO - Chemical Engineering Science

JF - Chemical Engineering Science

IS - 18-20

ER -

High-throughput screening of Co-BEA and Co-ZSM-5 coatings in the ammoxidation of ethylene to acetonitrile in a microstructured reactor

Abstract

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