Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1997-08-06
1999-03-16
Warden, Robert
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 22, 422 33, 422305, 422306, 239 3, A61L 208
Patent
active
058825916
ABSTRACT:
Biological fluids, e.g. bodily fluids such as plasma/serum, semen, milk or blood, can be treated efficiently with ozone to inactivate certain viruses, bacteria, fungi etc. To effect and enhance the contact of such fluids with ozone, or another disinfecting or deactivating gas, the fluids are thoroughly nebulized, or atomized, i.e. dispersed into minute droplets. Nebulization has been found to afford a faster O.sub.3 -fluid reaction rate than other known methods. It is proposed to create a fine "rain" of droplets to fall through a controlled atmosphere of O.sub.3 /O.sub.2 and/or O.sub.3 /inert gas mixture. Electric and magnetic fields are superimposed over the space through which the droplets are passed.
Three types of nebulizers/atomizers are described: compressed gas (O.sub.3 /O.sub.2 mixture) atomizer, ultrasonic nebulizer, and rotary nebulizer.
The invention was tested on coliphage MS2 which is safe, easy to handle, and more resistant to chemical disinfections than viruses such as HIV. More than 7 log.sub.10 reduction in the virus viability was observed.
REFERENCES:
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patent: 4019983 (1977-04-01), Mandt
patent: 4632980 (1986-12-01), Zee et al.
patent: 5173274 (1992-12-01), Owen
patent: 5482828 (1996-01-01), Lin et al.
Moazzam Fariborz
Szereszewski Juliusz
Warden Robert
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