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IJCT Vol.12(3) [May 2005] >


Title: Batch kinetics and modeling of poly--hydroxy butyrate synthesis from Azotobacter vinelandii using different carbon sources
Authors: Dhanasekar, R
Viruthagiri, T
Keywords: P(3HB)
Azotobacter vinelandii
sucrose
cheese whey
kinetic modeling
Issue Date: May-2005
Publisher: CSIR
IPC CodeC08G61/00
Abstract: A mathematical model is presented for the batch production of poly-b-hydroxy butyrate, a well known biopolymer, from Azotobacter vinelandii utilizing different carbon sources, sucrose and cheese whey. The effect of substrate concentrations and inoculum concentrations on cell mass and P(3HB) production are studied in a batch experiment. Substrate utilization kinetics is also studied. Set of differential equations for cell mass rate, product formation rate, and substrate utilization rate as functions of initial cell concentration, cell concentration at any time and stationary cell concentrations, are used to predict the system behaviour. The kinetic pattern obtained from the batch experiments are used to simulate the models.
Page(s): 322-326
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.12(3) [May 2005]

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