Continuous and direct 'in situ' reaction monitoring of chemical reactions viadielectric property measurement: controlled polymerisation

This paper demonstrates that direct, "in situ" measurement of a reaction mixture using a coaxial probe technique can be used to accurately follow the progress of a chemical reaction. Such a system was shown to clearly indicate the presence/onset of and define the magnitude of key reaction...

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Published in:RSC advances 2014-01, Vol.4 (11), p.5709-5717
Main Authors: Kamaruddin, Mohd J, Nguyen, Nam T, Dimitrakis, Georgios A, El harfi, Jaouad, Binner, Eleanor R, Kingman, Sam W, Lester, Edward, Robinson, John P, Irvine, Derek J
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Language:English
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Calibration
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container_end_page 5717
container_issue 11
container_start_page 5709
container_title RSC advances
container_volume 4
creator Kamaruddin, Mohd J
Nguyen, Nam T
Dimitrakis, Georgios A
El harfi, Jaouad
Binner, Eleanor R
Kingman, Sam W
Lester, Edward
Robinson, John P
Irvine, Derek J
description This paper demonstrates that direct, "in situ" measurement of a reaction mixture using a coaxial probe technique can be used to accurately follow the progress of a chemical reaction. Such a system was shown to clearly indicate the presence/onset of and define the magnitude of key reaction parameters such as induction periods and end-points over a broad range of temperatures and viscosities. Thus it allowed the reaction to be conducted for the ideal time period, so maximising reactor through-put, energy efficiency and end product quality. Furthermore, by relating these 'in situ' measurements to a pre-prepared calibration curve, key experimentally achieved reaction rates could be determined. Finally, these continuously acquired, non-intrusive 'in situ' measurements were validated by comparison to conventional and industry accepted off-line measurement techniques.
doi_str_mv 10.1039/c3ra46941g
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title Continuous and direct 'in situ' reaction monitoring of chemical reactions viadielectric property measurement: controlled polymerisation
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