Abstract

It is well known that during the filtration process the resistance of the filter medium varies markedly from cycle to cycle due to irreversible clogging of its pores by particles of the suspension [I-4]. Thereupon the resistance of the medium in batch filters rises upon transition to each successive operation cycle, but for continuous filters, for example, for drum vacuum filters, it varies as a function of the number of turnovers. In the process of operation of a fi!ter, its productivity gradually decreases, and finally becomes so small that the filtration process must be stopped and regeneration or replacement of the medium must be carried out.

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