Abstract
In the present work, Ovalbumin and β-lactoglobulin fouling phenomenon was studied, when white egg and milk flowed in the inner tube of a double tube heated by hot water which flows in the ring space between them. The fouling kinetics depends on the mass transfer effects, which is a function of protein solubility. To describe the fouling kinetics a calculus algorithm was developed, having as subsidy the protein solubility itself. The proteins solubility curves have been taken by previous works. Results showed that ovalbumin fouling was slower than β-lactoglobulin and the time necessary for the tube’s inner radius to decrease in 30% of the original radius was smaller for high temperatures, for both proteins. Besides, both ovalbumin and β-lactoglobulin deposition was greater at the tube’s entrance than in its exit. Therefore, the radius reduction was faster in that area.
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