Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact with electrical or electromagnetic...
Patent
1980-01-28
1981-10-20
Serwin, Ronald
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using direct contact with electrical or electromagnetic...
210764, 210765, 250436, 250437, 422 28, 422111, A61L 210, A61L 216, A61L 224
Patent
active
042960665
ABSTRACT:
Various embodiments of photoreactors are disclosed which have at least two irradiation chambers with a window therebetween. Ultraviolet radiation is introduced into one of the chambers at a side opposite the window so that it passes through that chamber, through the window and into the other chamber. The fluid medium to be purified is passed through the chambers and subjected to the radiation while in the chambers. The flow of the medium is through the chambers in series. The chambers are optimized in depth with respect to efficiency in terms of the flow-dose rate. In a two chamber photoreactor traversed by parallel radiation the maximum is at a total absorption of about 70 percent and at an absorption of about 27 percent in the chamber immediately adjacent to the radiation source. In an annular two chamber photoreactor with an elongate radiation source extending along the axis thereof the corresponding data are 45 to 65 percent and 16 to 25 percent, respectively. In an immersion type three chamber photoreactor of analogous configuration the corresponding data are 60 to 80 percent and 14 to 20 percent, respectively.
REFERENCES:
patent: 2338388 (1944-01-01), Whitman
patent: 2588716 (1952-03-01), Gochenour et al.
patent: 4116630 (1978-09-01), Meacham, Jr. et al.
patent: 4255383 (1981-03-01), Schenck
Darbo Howard H.
Serwin Ronald
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