Volumetric mass transfer coefficient in the fermenter agitated by Rushton turbines of various diameters in coalescent batch

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985874%3A_____%2F19%3A00496108" target="_blank" >RIV/67985874:_____/19:00496108 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22340/19:43918673

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0017931018335658?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0017931018335658?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ijheatmasstransfer.2018.10.123" target="_blank" >10.1016/j.ijheatmasstransfer.2018.10.123</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Volumetric mass transfer coefficient in the fermenter agitated by Rushton turbines of various diameters in coalescent batch

Popis výsledku v původním jazyce

The volumetric mass transfer coefficient kLa becomes the crucial parameter for mechanically agitated fermenters design. Prediction of kLa is commonly based on literature correlations. In the case of coalescent liquids, literature-based correlations don’t provide results with acceptable scatter. Our aim is to establish viable kLa correlations for coalescent liquids that would be based on great experimental data set obtained using Dynamic Pressure Method, the physical correctness of which was verified earlier.nIn our previous work, the kLa dependencies on process conditions in a viscous liquid were described in terms of an appropriate correlation. Now, we aim at the description of dependency between impeller diameters and transport characteristics in coalescent batch. The measurements were performed in multiple-impeller vessels of both laboratory and pilot-plant scale, and for various experimental conditions (impeller frequencies, gas flow-rates, impeller diameters). The studied impellers were Rushton turbines with diverse diameters. On the base of experimental results, the accurate correlation for kLa prediction in coalescent batch for industrial devices was suggested. Both the experimental technique and the correlation shape could be used for an industrial design of fermenters with coalescent batches.

Název v anglickém jazyce

Volumetric mass transfer coefficient in the fermenter agitated by Rushton turbines of various diameters in coalescent batch

Popis výsledku anglicky

The volumetric mass transfer coefficient kLa becomes the crucial parameter for mechanically agitated fermenters design. Prediction of kLa is commonly based on literature correlations. In the case of coalescent liquids, literature-based correlations don’t provide results with acceptable scatter. Our aim is to establish viable kLa correlations for coalescent liquids that would be based on great experimental data set obtained using Dynamic Pressure Method, the physical correctness of which was verified earlier.nIn our previous work, the kLa dependencies on process conditions in a viscous liquid were described in terms of an appropriate correlation. Now, we aim at the description of dependency between impeller diameters and transport characteristics in coalescent batch. The measurements were performed in multiple-impeller vessels of both laboratory and pilot-plant scale, and for various experimental conditions (impeller frequencies, gas flow-rates, impeller diameters). The studied impellers were Rushton turbines with diverse diameters. On the base of experimental results, the accurate correlation for kLa prediction in coalescent batch for industrial devices was suggested. Both the experimental technique and the correlation shape could be used for an industrial design of fermenters with coalescent batches.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

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

Název periodika

International Journal of Heat and Mass Transfer

ISSN

0017-9310

e-ISSN

—

Svazek periodika

130

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

10

Strana od-do

968-977

Kód UT WoS článku

000456226400082

EID výsledku v databázi Scopus

2-s2.0-85056278456