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    A process for the treatment and recovery of materials from the production and development of photographic and x-ray films
    2.
    发明公开
    A process for the treatment and recovery of materials from the production and development of photographic and x-ray films 失效
    治疗和材料恢复从生产和摄影胶片和X射线胶片的发展的方法

    公开(公告)号：EP0837364A1

    公开(公告)日：1998-04-22

    申请号：EP97830513.4

    申请日：1997-10-10

    申请人： Serf S.r.l.

    发明人： Miciano, Marino

    IPC分类号： G03C11/24

    CPC分类号： G03C11/24

    摘要： A process for the treatment and recovery of materials from the production and development of photographic and x-ray films. The process substantially includes the following operating stages: a first stage involving the shredding of the said materials; a second stage involving oxidation of the metallic silver to ionic silver; a third stage for solubilization of the silver salt in water; a fourth stage for the recovery of the metallic silver; a fifth stage for solubilization of the gelatin in an alkaline bath; a sixth stage for recovery of the gelatin; a seventh stage involving the washing, rinsing and drying of the polyester; an eighth stage for drying the polyester.

    摘要翻译： 一种用于从照相和X射线膜的生产和开发材料处理和恢复处理。 的方法大致包括以下内容的操作阶段：第一阶段涉及所述材料的粉碎; 第二阶段涉及将金属银离子银的氧化; 在水中银盐的增溶的第三阶段; 第四阶段为金属银的回收; 对于在碱性浴中的明胶的增溶的第五级; 第六阶段，为明胶的恢复; 第七阶段累及洗涤，漂洗和聚酯的干燥; 到第八级用于干燥聚酯。