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- W382078101 abstract "Starting from a model of the chemical kinetic type (excluding biomass considered as a catalyser) the aim is to optimize an alcoholic fermentation process in a cascade of N fermentors. The optimization criterion is a follows : for a given total volume of fermentation VT, obtain the maximum flowrate QN at the output corresponding to PN = PF and SN = 0 (P ethanol concentration, S saccharose concentration). We assume [rp]k=[dPdt]k=a(PM−Pk), and SK ≤ SM avoiding the inhibitory effects of product and substrate, fee assume also a constant yield conversion and that it is possible to have a distributed feeding. We are seeking for the optimal partition of the volumes VK (k = l to N) and the optimal distribution of the concentrations SK and PK in the steady state. N, PF and SM are fixed and we study their influences on the results. The main conclusion is that the optimum is got when the first stage only is fed. The volumes are equal when S has no inhibitory effect and, if not, V1 is greater than others (which are equal). If we take all the volumes equal, we need a distributed feeding and the production decreases when SM decreases and PF increases. The gain from two to three fermentors is not very important in normal work conditions and less from three to four : it is the reason why we have limited our study to N = 3." @default.
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- W382078101 date "1985-12-01" @default.
- W382078101 modified "2023-10-18" @default.
- W382078101 title "Static Optimization of a Multistage Fermentation Process Involving Distributed Feeding" @default.
- W382078101 cites W187064848 @default.
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- W382078101 doi "https://doi.org/10.1016/s1474-6670(17)59923-1" @default.
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