Variable feed rate mechanism for fluidized bed asbestos generators
Conference
·
· Am. Ind. Hyg. Assoc. J.; (United States)
OSTI ID:5780429
A simple and inexpensive dust feed mechanism has been designed for use with a two-phase fluidized bed generator (FBG). The mechanism is especially useful for generating asbestos aerosols, but may be used with other dusts as well. Using this system, a steady state concentration (39.1 fibers/cc > 5 ..mu..m in length +/- 6.2%) of asbestos aerosol was maintained in an inhalation chamber for five hours. In addition, FBG output concentration was easily adjusted and quickly equilibrated (within 10 minutes). The system provides a good technique for generating asbestos aerosols for day-long animal exposures.
- Research Organization:
- New York Univ. Medical Center, New York
- OSTI ID:
- 5780429
- Report Number(s):
- CONF-8505143-
- Journal Information:
- Am. Ind. Hyg. Assoc. J.; (United States), Journal Name: Am. Ind. Hyg. Assoc. J.; (United States) Vol. 46:1; ISSN AIHAA
- Country of Publication:
- United States
- Language:
- English
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