TY - JOUR
T1 - A mechanistic model for oil recovery in a region of high oil droplet concentration from multiphasic fermentations
AU - Da Costa Basto, Rita M.
AU - Casals, Maria P.
AU - Mudde, Robert F.
AU - van der Wielen, Luuk A.M.
AU - Cuellar, Maria C.
PY - 2019
Y1 - 2019
N2 - Multiphasic fermentations where an organic phase is spontaneously formed or when it is added for product removal are commonly used for production of valuable compounds. The turbulent conditions and the presence of surface-active compounds (SACs) during fermentation create a stable emulsion difficult to separate. A gas bubble/oil droplet separation method has been proposed to break such emulsion. In this paper, we propose a mathematical model to describe oil/bubble interaction in a region of high oil droplet concentration. Model validation was performed using a synthetic emulsion and an emulsion from a fermentation broth. By applying the optimal parameters predicted by the model, a 6- and 3-times oil recovery improvement was reached for the synthetic emulsion and the fermentation broth, respectively. In conclusion, the proposed mechanistic model allowed to improve oil recovery in the existing laboratory set-up, and can be used to optimize the separation and recovery method at large scale.
AB - Multiphasic fermentations where an organic phase is spontaneously formed or when it is added for product removal are commonly used for production of valuable compounds. The turbulent conditions and the presence of surface-active compounds (SACs) during fermentation create a stable emulsion difficult to separate. A gas bubble/oil droplet separation method has been proposed to break such emulsion. In this paper, we propose a mathematical model to describe oil/bubble interaction in a region of high oil droplet concentration. Model validation was performed using a synthetic emulsion and an emulsion from a fermentation broth. By applying the optimal parameters predicted by the model, a 6- and 3-times oil recovery improvement was reached for the synthetic emulsion and the fermentation broth, respectively. In conclusion, the proposed mechanistic model allowed to improve oil recovery in the existing laboratory set-up, and can be used to optimize the separation and recovery method at large scale.
KW - Aggregation
KW - Emulsion
KW - Modelling
KW - Multiphasic fermentation
KW - Oil recovery
UR - http://www.scopus.com/inward/record.url?scp=85070204623&partnerID=8YFLogxK
U2 - 10.1016/j.cesx.2019.100033
DO - 10.1016/j.cesx.2019.100033
M3 - Article
AN - SCOPUS:85070204623
SN - 2590-1400
VL - 3
JO - Chemical Engineering Science: X
JF - Chemical Engineering Science: X
M1 - 100033
ER -