Figure 4.
Filtration performance of untreated and discharged filter media. (a) Penetration of NaCl particles; (b) pressure drop at 12.5 cm/s; (c) quality factor; (d) contribution of mechanical vs. electrostatic filtration mechanisms.
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.