Apparatus and method for extracting impurities from a pulpous slurry
US5901853A · kind A · utility
3Cited by
10References
5Claims
0Family size
Inventor
Key dates
| Filing date | May 10, 1996 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | May 10, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus (310) for extracting impurities from a pulpous slurry. The apparatus has an auxiliary chamber (13) having an upper chamber (313) and a hydrocyclone (311) for further extracting impurities from the pulpous slurry. A conduit (58) returns a selected portion of the pulpous slurry back to a separation chamber for further processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.