发明名称 |
Process of recovering aluminum etchant |
摘要 |
This application involves a continuous process for chemical milling of aluminum by recovering caustic from an etch tank solution by treating the solution having dissolved metals and other contaminants with calcium oxide and barium compounds to form precipitates which are separated by centrifugation to permit recovery and reuse of the caustic.
|
申请公布号 |
US4601780(A) |
申请公布日期 |
1986.07.22 |
申请号 |
US19840682274 |
申请日期 |
1984.12.17 |
申请人 |
MCDONNELL DOUGLAS CORPORATION |
发明人 |
COGGINS, DOLPHUS L.;LINDNER, WALTER E. |
分类号 |
C23F1/46;(IPC1-7):C23F1/02;B44C1/22;C03C15/00;C03C25/06 |
主分类号 |
C23F1/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|