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.
Ion transport numbers across the CEM separating feed from concentrate compartment at the applied current densities of 20, 50, and 100 A/m2. Ammonium is the main ion transported from feed to concentrate compartment through the CEM. At a current density of 20 A/m2 a transport number of 0.56 was determined; at 50 A/m2, 0.50; and at 100 A/m2, 0.48.
