Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Performance of the NF90 NF membrane in Step 2a-ii on a Na-HCO3-containing solution from the previous separation Step 2a-i: (a) instantaneous Na-HCO3 real rejection and concentration factor (CF) in the retentate stream; (b) pH in the streams.
