| 发明名称 |
A method for protecting an apparatus from corrosion. |
| 摘要 |
<p>There is provided a method for protecting an apparatus from corrosion, which apparatus treats a nitric acid solution containing heavy metal(s) and/or compound(s) thereof, in which method stainless steel with a silicon content of 1% by weight or blow is used as the material composing the appartus, and an NOx is compulsorily added into the nitric acid solution.</p> |
| 申请公布号 |
EP0182932(A1) |
申请公布日期 |
1986.06.04 |
| 申请号 |
EP19840114388 |
申请日期 |
1984.11.28 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED;NIPPON STAINLESS STEEL CO., LTD. |
发明人 |
OHRUI, TETSUYA;OKUBO, MASAO;MIKI, MASAYOSHI |
| 分类号 |
C23F11/04;(IPC1-7):C23F11/04 |
主分类号 |
C23F11/04 |
| 代理机构 |
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代理人 |
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