WILLIAM A FREDERICK
Engineers in Allentown, PA

License number
Pennsylvania PE002560E
Category
Engineers
Type
Professional Engineer
Address
Address
Allentown, PA 18104

Professional information

William Frederick Photo 1

Optically-Assisted Gas Decontamination Process

US Patent:
4995955, Feb 26, 1991
Filed:
Apr 26, 1990
Appl. No.:
7/517408
Inventors:
Yong W. Kim - Bethlehem PA
William A. Frederick - Allentown PA
Assignee:
Lehigh University - Bethlehem PA
International Classification:
B01D 5332, C01B 1700, C01B 2100
US Classification:
2041573
Abstract:
The present invention comprises a process for the removal of oxides of nitrogen and sulfur from a gas mixture containing those species by exposure of the gas mixture to ultraviolet radiation having a wavelength below 200 nanometers in absence of ammonia.


William Frederick Photo 2

Lamp Sheath Assembly For Optically-Assisted Gas Decontamination Process

US Patent:
5138175, Aug 11, 1992
Filed:
Jan 11, 1991
Appl. No.:
7/640031
Inventors:
Yong W. Kim - Bethlehem PA
William A. Frederick - Allentown PA
Assignee:
Lehigh University - Bethlehem PA
International Classification:
G01J 100
US Classification:
250504R
Abstract:
The present invention comprises a process for the removal of oxides of nitrogen and sulfur from a gas mixture containing those species by exposure of the gas mixture to ultraviolet radiation having a wavelength below 220 nanometers.