Process and apparatus for treating matter comprising a solid phase and a liquid or pasty phase
US4232600A · kind A · utility
9Cited by
5References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1977 |
| Grant date | Nov 11, 1980 |
| Priority date | — |
| Expiry date | Nov 28, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a process and apparatus for treating matter comprising a solid phase and a liquid phase, according to which said matter is crushed and the crushed matter is sifted under pressure, wherein the sifting under pressure and the crushing of the matter are effected simultaneously by disposing said matter in a closed so-called pressure chamber, causing at least one punch to advance in said chamber and expelling sifted matter through calibrated orifices in the pressure chamber. The invention is applied more particularly to the treatment of household garbage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.