<abstract xmlns="http://www.w3.org/1999/xhtml"><p><italic>Alcaligenes faecalis</italic> was previously isolated from Sodwana Bay, South Africa and was shown to be a bioflocculant producing microorganism. The bioflocculant production potential was further assessed through the optimization of the standardized culture media. The production of biofloculant as well as the flocculation was evaluated using different variables such as the size of inoculum, sources of carbon and nitrogen, time course and pH. Through optimization <italic>A. faecalis</italic> showed an improvement in the production of its bioflocculant and also flocculating activity for the following factors: flocculating activity of 71% for an inoculum size of 1%. The bioflocculant produced when maltose was used as source of carbon, showed flocculating activity of 91%, urea, as the most efficient nitrogen source, showed a flocculating activity of 97%, the optimum pH was 9. The time courses analysis between 60 and 72 hours showed the peak for flocculation and by implication highest level of bioflocculant production.</p></abstract>

Alcaligenes faecalis was previously isolated from Sodwana Bay, South Africa and was shown to be a bioflocculant producing microorganism. The bioflocculant production potential was further assessed through the optimization of the standardized culture media. The production of biofloculant as well as the flocculation was evaluated using different variables such as the size of inoculum, sources of carbon and nitrogen, time course and pH. Through optimization A. faecalis showed an improvement in the production of its bioflocculant and also flocculating activity for the following factors: flocculating activity of 71% for an inoculum size of 1%. The bioflocculant produced when maltose was used as source of carbon, showed flocculating activity of 91%, urea, as the most efficient nitrogen source, showed a flocculating activity of 97%, the optimum pH was 9. The time courses analysis between 60 and 72 hours showed the peak for flocculation and by implication highest level of bioflocculant production.

Assessment of the flocculating potentials of <italic>Alcaligenes faecalis</italic> Isolated from the Estuary of Sodwana Bay

Department of Biochemistry and Microbiology

Annals of Science and Technology

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

Assessment of the flocculating potentials of  Isolated from the Estuary of Sodwana Bay

Alcaligenes faecalis was previously isolated from Sodwana Bay, South Africa and was shown to be a bioflocculant producing microorganism. The bioflocculant...

Assessment of the flocculating potentials of Alcaligenes faecalis Isolated from the Estuary of Sodwana Bay

Publié en ligne: 02 févr. 2019

Pages: 1 - 7

Reçu: 23 oct. 2017

Accepté: 28 mars 2018

DOI: https://doi.org/10.2478/ast-2018-0014

Mots clés
Bioflocculant, Flocculating Activity, Inoculum size

© 2018 Anthony M. Ugbenyen et al., published by Sciendo

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

Assessment of the flocculating potentials of Alcaligenes faecalis Isolated from the Estuary of Sodwana Bay

Publié en ligne: 02 févr. 2019

Pages: 1 - 7

Reçu: 23 oct. 2017

Accepté: 28 mars 2018

DOI: https://doi.org/10.2478/ast-2018-0014

Mots clésBioflocculant, Flocculating Activity, Inoculum size

© 2018 Anthony M. Ugbenyen et al., published by Sciendo

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

Mots clés
Bioflocculant, Flocculating Activity, Inoculum size