Flush

General Description

This operation allows the filter to be washed (flushed) prior or after its use. It is available in all batch filtration procedures. This operation does not size the equipment.

Unit Procedure Availability

      Microfiltration (Batch) Procedure

      Ultrafiltration (Batch) Procedure

      Reverse Osmosis (Batch) Procedure

      Diafiltration Procedure

      Dead End Filtration Procedure

      Nutsche Filtration Procedure

Flush: Modeling Calculations

The volume of the solvent used to flush the filter may be the one specified in the Flush-In Stream, or it can be specified on an absolute (volume per cycle and per unit) or relative (volume per filter area) basis.

The flush time can be set directly or calculated based either on the specification of the volumetric flowrate of the Flush-In stream or on a specified master-slave relationship.

Flush: Interface

The interface of this operation has the following tabs:

      Oper. Cond’s, see Flush: Oper. Conds Tab

      Labor, etc, see Operations Dialog: Labor etc. Tab

      Description, see Operations Dialog: Description Tab

      Batch Sheet, see Operations Dialog: Batch Sheet Tab

      Scheduling, see Operations Dialog: Scheduling Tab