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Olive mill wastewater (OMW) also called olive black mill, released in large quantities in the environment in countries producing olive oil, is difficult to degrade because of it is rich in phenols and polyphenols. Recently, many reports show that its bioremediation could be achieved while producing valuable products such as medicinal mushrooms, as well as bioactive polyphenolic compounds with antimicrobial,...
In this paper, a macroscopic model of yeast culture is presented in the context of bioethanol production optimization. A discussion of the model formulation, based on the seminal work of Sonnleitner and Käppeli, is provided. A parameter identification of the resulting model is first performed and the dispersion of the parameter values is explained through a sensitivity analysis. Following the continuous...
This research, an attempt has been made to develop and simulate a process model to describe the biochemical process. Three important parameters that are desired to be controlled in the biochemical reactor are pH, dissolved oxygen (DO) and temperature. In earlier process model presented in literature, the effect of pH and DO change during process implementation is not taken into account. In this research,...
At present, ethanol production from lignocellulosic biomass is the most widely used. Banana is extensive planted in the south of China and its stalks contain 63.8 ?? 0.5% (of dry materials) dissolved carbohydrates that can be degraded into pentose and/or hexoses, which can be suitable for bio-ethanol fermentation by yeast. The technics of the simultaneous sacchrification and fermentation was adopted...
Biotechnological processes represent a challenge into the control field, due to its high non linearity. Particularly, continuous alcoholic fermentation by Zymomonas mobilis (Z.m) presents high ethanol performance, but it shows a highly oscillatory behavior in process variables, because of the influence of inhibition dynamics over Biomass, Substrate and Product concentrations; it is a significant challenge...
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