Process for purification of a fiber suspension
US6000552A · kind A · utility
0Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1999 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | May 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the purification of a fiber suspension (deinking or white water) in which a mixture of fiber suspension and gas bubbles are jtted into a flotation tank in an upwardly directed manner toward the free surface of the pulp at a velocity of greater than Sm/s and the jet ends at or just below the free surface of the mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.