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Specifying the System Feed and Product Flows

Feed and product water flowrates can be specified using the text boxes in the middle of the blue arrows

Figure 1: Specification of feed flowrate in a system design

First, Feed or Permeate flow option should be selected using the radio button in the upper part of the arrow, later the flowrate can be specified.

Notes:

WAVE would display a warning if the Feed or Product flowrates are specified as 0 or a negative number.
Given a feed water flowrate, WAVE would calculate a product flowrate based on a default recovery. Given a product water flowrate, WAVE would calculate a feed flowrate based on a default recovery.
Users can define a preliminary recovery for each icon and thus define either the feed flowrate and recovery or product flowrate and recovery (as shown in Figure 2).

Figure 2: Specification of preliminary recovery
Detailed system design with a user defined recovery is currently only possible for RO and ROSC. For other technologies recovery is known only after all the calculations are completed.
WAVE does not allow simultaneous specification of the feed and product flowrates.

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