Method of collecting lead from ashes containing lead compounds
US4409072A · kind A · utility
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Key dates
| Filing date | Nov 8, 1982 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Nov 8, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C1/18
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of electrolytically collecting lead from ashes containing lead compounds, comprising the steps of adding the ashes to an aqueous solution of caustic soda, and subjecting the mixture to electrolysis in two stages, i.e., preliminary electrolysis and stationary electrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.