pH Adjustment of the Final Product

This involves adjustment of the pH of the Permeate from the RO/NF/ROSC system. This feature, as described in Section1, is available to all three technologies (UF, RO/NF/ROSC/ IX). The steps are as follows (Figure 1):

  1. Click on the Home Tab if you are in a different Tab or Window.
  2. Click on “Adjust Final pH”.
  3. Click on the “pH” button.

  4. Specify the pH of interest then click “OK”.

    Figure 1: Specification of RO/NF/ROSC System Pass Feed pH Adjustment

Notes:

  • In WAVE, pH adjustment can be deactivated by choosing “pH” button a second time. The green dots would turn gray.
  • In WAVE, pH specifications are limited to between 0 and 14.
  • The list of chemicals used for pH adjustment is defined by the user as described in Section 1.
  • WAVE allows the simultaneous selection of “pH” without an intermediate degasification step. Thus the user is urged to review the pH adjustment selections carefully.