Photography – Fluid-treating apparatus – Having fluid filter
Patent
1996-07-19
1997-10-14
Rutledge, D.
Photography
Fluid-treating apparatus
Having fluid filter
396626, G03D 302
Patent
active
056781121
ABSTRACT:
The invention concerns a method and a device for processing a photographic film.
The process comprises the following steps: a) circulating the film (2) in a series of processing baths (5, 6, 7, 8), each of the baths having a rinsing zone (53, 62, 73, 82) including one or more tanks; b) recovering and treating the waste water coming from all the rinsing zones in a single nanofiltration device (100), common to all the processing baths; and c) recycling the permeate (106) from the nanofiltration device (100) in each of the rinsing zones (43, 62, 73, 82) of each of the processing baths (5, 6, 7, 8).
Application to the processing of photographic films.
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Bernard Patrick Eugene Yvon
Manas Guy Andre Jean
Eastman Kodak Company
Everett John R.
Rutledge D.
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