<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The overall gas hold-up of a pilot plant scale internal loop airlift reactor was studied in presence of different alcohols in varied concentration. It has been observed that these simple alcohols can enhance overall gas hold-up of the airlift assembly possibly due to formation of protective thin layer over smaller gas bubbles thereby reducing chance of their coalescence. As the alcohols can be used as food source for the micro organisms present in the system, this green and environment friendly process have potential to replace usage of hazardous surfactants often used for enhancing overall hold-up in order to obtain desired mass transfer characteristics. An empirical relationship encompassing overall gas hold-up of the reactor as a function of superficial gas velocity and alcohol concentration is also developed.</p></abstract>

The overall gas hold-up of a pilot plant scale internal loop airlift reactor was studied in presence of different alcohols in varied concentration. It has been observed that these simple alcohols can enhance overall gas hold-up of the airlift assembly possibly due to formation of protective thin layer over smaller gas bubbles thereby reducing chance of their coalescence. As the alcohols can be used as food source for the micro organisms present in the system, this green and environment friendly process have potential to replace usage of hazardous surfactants often used for enhancing overall hold-up in order to obtain desired mass transfer characteristics. An empirical relationship encompassing overall gas hold-up of the reactor as a function of superficial gas velocity and alcohol concentration is also developed.

Hydrodynamics of Pilot Plant Scale Airlift Reactor in Presence of Alcohols

Maharashtra Institute of Technology, Department of Petroleum and Petrochemical Engineering, Paud Road, Kothrud, Pune – 411 038, India

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Hydrodynamics of Pilot Plant Scale Airlift Reactor in Presence of Alcohols"}

The overall gas hold-up of a pilot plant scale internal loop airlift reactor was studied in presence of different alcohols in varied concentration. It has been...

Hydrodynamics of Pilot Plant Scale Airlift Reactor in Presence of Alcohols

Published Online: Sep 19, 2015

Page range: 118 - 123

DOI: https://doi.org/10.1515/pjct-2015-0059

Keywords
airlift reactor, hydrodynamics, gas hold-up, bubble, multiphase flow, surfactant

© Somnath Nandi et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Hydrodynamics of Pilot Plant Scale Airlift Reactor in Presence of Alcohols

Published Online: Sep 19, 2015

Page range: 118 - 123

DOI: https://doi.org/10.1515/pjct-2015-0059

Keywordsairlift reactor, hydrodynamics, gas hold-up, bubble, multiphase flow, surfactant

© Somnath Nandi et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
airlift reactor, hydrodynamics, gas hold-up, bubble, multiphase flow, surfactant