发明名称 |
Method at treatment of metals |
摘要 |
The invention relates to a method at pickling of steel in an acidic aqueous pickling solution containing Fe<3+> and Fe<2+>, wherein the steel is contacted with pickling solution that continuously is brought to circulate through a conduit into which hydrogen peroxide is supplied to oxidize Fe<2+> to Fe<3+>. |
申请公布号 |
ZA9609917(B) |
申请公布日期 |
1997.06.17 |
申请号 |
ZA19960009917 |
申请日期 |
1996.11.26 |
申请人 |
EKA CHEMICALS AB |
发明人 |
CHARLOTTE ANGEL;TROY BERGLIND;ARNE FRESTAD;SVEN-ERIC LUNNER;ANDERS WALEJ |
分类号 |
C23C22/34;C23F1/28;C23G1/02;C23G1/08;C23G1/36 |
主分类号 |
C23C22/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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