Abstract
SummaryOn the basis of Bailey's equation for deodorization it is proposed that there is an optimum sparging rate, characteristic of each individual system, for steam distillation and its specialized forms, such as deodorization and stripping. It is suggested that the principles involved are applicable to continuous or batch systems of any size.A simple method of determining this optimum rate is described and illustrated with data from a commercial batch deodorizer.It is proposed that, under optimum conditions: the ratio of absolute pressure (P) to the blowing steam rate (R) is at a minimum; total distillation is at a maximum; the linear velocity of the vapor is at a maximum; and entrainment is disproportionately high. It is recognized that this technically optimum blowing steam rate may not coincide with the most economical conditions of operation, depending on the characteristics of the system.It is concluded that operation at rates appreciably above the optimum can in no way be justified.
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