Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1984-04-05
1986-03-04
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55102, 55129, 55138, 55279, 250423P, 250283, 2505031, 250504R, 422121, 324469, B03C 312, B03C 338, H01J 2724
Patent
active
045740046
ABSTRACT:
The invention concerns a method and apparatus for electrically charging particles of liquid or solid matter suspended in gases, especially in air. The particle carrying gas is irradiated with ultraviolet light having an energy below the threshold for ionization of the gas, but above the photoelectric threshold of the particles. The actual charging occurs by photoemission of electrons from the particles. The photoelectrons or negative small ions are removed from the neighborhood of the positively charged particles by diffusion to a charge absorbing surface. The photoelectric charging method and apparatus of the present invention are highly effective, particularly for very small particles and yields chemical information on the particles and their surface.
REFERENCES:
patent: 2418339 (1947-04-01), Ehrgott
patent: 2593869 (1952-04-01), Fruth
patent: 2868317 (1959-01-01), Maas et al.
patent: 2898800 (1959-08-01), Bergson
patent: 2943134 (1960-06-01), Liao et al.
patent: 2959677 (1960-11-01), Robinson et al.
patent: 3476968 (1969-11-01), Omura
patent: 3653185 (1972-04-01), Scott et al.
patent: 3740552 (1973-06-01), Pressman
patent: 3853750 (1974-12-01), Volsy
patent: 3948625 (1976-04-01), Schultz
patent: 3987302 (1976-10-01), Hurst et al.
patent: 4254336 (1981-03-01), Rustler
patent: 4298005 (1981-11-01), Mutzhas
patent: 4317042 (1982-02-01), Bart et al.
patent: 4377749 (1983-03-01), Young
patent: 4454425 (1984-06-01), Young
Weaks, R. W. and Duley, W. W. Interaction of Tea CO.sub.2 Laser Radiation with Aerosol Particles, Nov. 1976/vol. No. 11/Applied Optics, pp. 2917-2921.
Schmidt-Ott Andreas
Siegmann Hans-Christoph
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