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    • 8. 发明授权
    • Method and device for processing a color reversal photographic film
    • 用于处理彩色反转摄影胶片的方法和装置
    • US06702486B2
    • 2004-03-09
    • US10207613
    • 2002-07-29
    • Didier J. MartinCécile A. Maudhuit
    • Didier J. MartinCécile A. Maudhuit
    • G03D302
    • G03D3/065G03D3/06
    • The invention relates to a method and device for processing an exposed color reversal photographic film. This method enables the water consumption of the washing baths to be limited, the water levels being maintained by a counter-current coming from the bath placed downstream, an equivalent volume of water being discharged through an overflow. The wash waters are recovered and treated by a nanofiltration unit capable of giving a permeate which can be recycled to the washing baths. This method makes it possible to overcome the problem of the presence of tin (II) in the first washing bath supplied with water by a counter-current coming from the reversal bath. This process also makes it possible to overcome the problems of discharges of chemical substances to the drains while maintaining a good sensitometry of the developed films.
    • 本发明涉及一种用于处理曝光的彩色反转摄影胶片的方法和装置。 该方法能够限制洗涤水的用水量,通过来自位于下游的浴的逆流保持水位,等量的水通过溢流排出。 洗涤水被回收并通过能够产生可以再循环到洗涤浴中的渗透物的纳滤单元进行处理。 该方法可以克服在来自反转槽的逆流中在供给水的第一洗涤槽中存在锡(II)的问题。 该方法也可以克服将化学物质排放到排水管上的问题,同时保持对显影膜的良好的感光度。