Process for disposal of solid wastes
US4129440A · kind A · utility
0Cited by
4References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Jan 17, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Solid trash is comminuted and classified into an organic fraction and a metals-inorganic fraction. The organic fraction is processed for recovery of paper pulp and the residue pyrolysed. The metals-inorganic fraction is processed for recovery of each major metal and inorganic constituent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.