| Main Title |
Mechanism of SO2 and H2SO4 aerosol zinc corrosion / |
| Author |
Harker, Alan Butler. ;
Mansfeld, Florian B. ;
Strauss, Dennis R. ;
Landis, Dwight D.
|
| CORP Author |
Rockwell International, Thousand Oaks, CA. Science Center.;Environmental Sciences Research Lab., Research Triangle Park, NC. |
| Publisher |
U.S. Environmental Protection Agency, Environmental Sciences Research Laboratory, |
| Year Published |
1980 |
| Report Number |
EPA 600/3-80/018; EPA-68-02-2944 |
| Stock Number |
PB80-167018 |
| OCLC Number |
40308075 |
| Subjects |
Zinc--Corrosion ;
Corrosion and anti-corrosives
|
| Additional Subjects |
Air pollution ;
Sulfur dioxide ;
Aerosols ;
Sulfuric acid ;
Corrosion mechanisms ;
Zinc ;
Surface chemistry ;
Monitoring ;
Laboratory equipment ;
Chemical reactions
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EHAM |
EPA 600/3-80/018 |
|
Region 1 Library/Boston,MA |
05/25/2016 |
| EJBD ARCHIVE |
EPA 600-3-80-018 |
|
Headquarters Library/Washington,DC |
01/06/2014 |
| EJED |
EPA 600/3-80/018 |
|
OCSPP Chemical Library/Washington,DC |
01/11/2002 |
| ESAD |
EPA 600-3-80-018 |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB80-167018 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
vii, 33 pages : illustrations ; 28 cm. |
| Abstract |
This study established the physical variables controlling the SO2 and H2SO4 induced corrosion of zinc. Relative humidity, temperature, air flow velocity, flow turbulence, aerosol size range, and pollutant concentration were controlled. Corrosion measurements were made through the use of an atmospheric corrosion monitor. The results showed that the principal factors controlling pollutant induced corrosion are relative humidity, the rate of pollutant flux to the surface, and the chemical form of the pollutant. SO2 was observed to induce a higher corrosion rate in the zinc than H2SO4 on a molecule for molecule basis. Flow dynamic measurements provided bulk and size detailed deposition velocities for two different accumulation mode H2SO4 aerosol size distributions as a function of frictional velocity, and a deposition velocity for SO2 gas. The overall results indicate that under most ambient conditions SO2 induced corrosion damage will dominate over H2SO4 effects. |
| Notes |
"EPA-600/3-80-018." EPA contract no. 68-02-2944; EPA project officer: Fred Haynie. Includes bibliographical references (page 32). |
