Measurement of mass transfer characteristics of gas/liquid reactors by sulphite system using on-line monitoring UV absorption

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F11%3A43892355" target="_blank" >RIV/60461373:22340/11:43892355 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.cej.2010.12.075" target="_blank" >http://dx.doi.org/10.1016/j.cej.2010.12.075</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cej.2010.12.075" target="_blank" >10.1016/j.cej.2010.12.075</a>

Result language

angličtina

Original language name

Measurement of mass transfer characteristics of gas/liquid reactors by sulphite system using on-line monitoring UV absorption

Original language description

The UV absorption at a wavelength of 255nmis used for in-line monitoring of sulphite concentration. The method was originally used under conditions when calibration curve is pH-dependent. This dependence complicates the calibration and thus prevents wider application of the method for measurements of mass transfer characteristics of various absorption devices by the sulphite system. It is shown that the calibration curve is pH independent if the pH of solution is higher than 8. This simplifies the calibration and may promote broader application of this faster and more comfortable UV method in the engineering praxis. This is demonstrated on measurement of kinetic data of the reaction (measured in stirred cell), physical mass transfer coefficient kLa andinterfacial area a (measured in mechanically agitated gas-liquid dispersion) using solution of 0.8M Na2SO3 with various cobalt catalyst concentrations ranging from 5x10?7 to 2x10?3 M and pH in the range of 8-8.7. Effects of surface tensi

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CI - Industrial chemistry and chemical engineering

OECD FORD branch

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Project

<a href="/en/project/GA104%2F09%2F1810" target="_blank" >GA104/09/1810: Mechanism of gas-liquid mass transfer. The effects of diffusivity and solid micro- and nano- particles.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Chemical Engineering Journal

ISSN

1385-8947

e-ISSN

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Volume of the periodical

167

Issue of the periodical within the volume

1

Country of publishing house

CH - SWITZERLAND

Number of pages

8

Pages from-to

314-321

UT code for WoS article

000288586100037

EID of the result in the Scopus database

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