Process for the treatment of liquid residues from photographic processes
    36.
    发明公开
    Process for the treatment of liquid residues from photographic processes 失效
    一种用于从照相过程中的处理液的残基的方法

    公开(公告)号:EP0861807A2

    公开(公告)日:1998-09-02

    申请号:EP98103002.6

    申请日:1998-02-20

    发明人: Betz, Gerd, Dr.

    IPC分类号: C02F1/00

    摘要: Decribed are a process for the treatment of liquid residues from photographic processes, in which the residues are oxidized in stages and precipitated solids are then separated out, and in which the residues to be treated are subjected to:

    (a) oxygen oxidization and
    (b) oxygen-supported mild anodic oxidization and then
    (c) ozone oxidization and
    (d) are freed of precipitated solids by filtration after pH value setting and loading of auxiliary substances
    and a device for performing this process.

    摘要翻译: 描述下用于从照相工艺液体残留物,其中残基被氧化的阶段,然后将沉淀的固体被分离出来,并且在待处理的残余物经受的治疗的方法:(a)中的氧氧化和(b )氧支持温和阳极氧化,然后(c)中的臭氧氧化和(d)通过过滤后的pH值设置和辅助物质装载和用于执行该过程的设备释放沉淀的固体。

    Solution waste treatment
    39.
    发明公开
    Solution waste treatment 失效
    Verfahren zur Behandlung vonAbfallflüssigkeiten。

    公开(公告)号:EP0056832A1

    公开(公告)日:1982-08-04

    申请号:EP81100570.1

    申请日:1981-01-27

    IPC分类号: C02F9/00

    摘要: A process is provided for the waste treatment of metal plating solutions. One embodiment of the process comprises removal of the metal values contained in solution and inactivation or destruction of the complexing agent's ability to complex heavy metals. A second embodiment comprises inactivation or destruction of the complexing agent as a first step, formation of a sludge if not formed by inactivation of the complexing agent and sludge removal. Either embodiment permits direct discharge of spent plating solutions into the environment without violation of federal or municipal regulation.

    摘要翻译: 提供了一种用于金属电镀溶液的废物处理的方法。 该方法的一个实施方案包括除去溶液中所含的金属值,灭活或破坏络合剂复合重金属的能力。 第二个实施方案包括作为第一步骤的络合剂的灭活或破坏,如果不是通过使络合剂失活和污泥去除而形成污泥。 任一实施例允许将废弃电镀溶液直接排放到环境中,而不违反联邦或市政法规。