会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明公开
    • METHOD OF EXTRACTING HEXAVALENT CHROMIUM
    • 提取六价铬的方法
    • EP1882533A1
    • 2008-01-30
    • EP06731655.4
    • 2006-04-12
    • Yoshida, Hideo
    • SHINDO, Morihisa, c/o YP System Corporation
    • B09B3/00A62D3/00
    • C23C22/86C01G37/00C01G37/003C22B5/00C22B7/006C22B34/32C25F3/08Y02P10/234
    • [PROBLEM TO BE SOLVED]
      To provide a hexavalent chrome extracting method capable of reliably and cost-efficiently extracting hazardous hexavalent chrome remaining on the surface or inside of chrome plating or chromate film without a need of a special and expensive equipment, preventing elution of the hexavalent chrome from a raw material to be processed, enjoying safe use and discarding of the part where the hexavalent chrome remains, and preventing environmental pollution and adverse effect to a human body.
      [SOLVING MEANS]
      A method of extracting hexavalent chrome remaining in a raw material (workpiece) 3 to be processed.
      The workpiece 3 having a film where the hexavalent chrome remains is contacted with a liquid or fine particle reducing agent 2.
      The hexavalent chrome is extracted from the film.
    • 为解决上述问题,本发明提供一种六价铬提取方法,不需要特别昂贵的设备,即可可靠且经济地提取残留在镀铬或铬酸盐膜表面或内部的有害的六价铬, 从待处理的原料中获得六价铬,同时安全使用和废弃六价铬残留的部分,并且防止环境污染和对人体的不利影响。 [解决方法]提取残留在待处理的原材料(工件)3中的六价铬的方法。 具有残留六价铬的膜的工件3与液体或微粒还原剂2接触。从膜中提取六价铬。