On-site emulsification of defoamer for brownstock washing of pulp
US9371613B1 · kind B1 · utility
4Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2015 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Jan 21, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/46
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present method is directed to an on-site process for conveying an emulsion of one or more substantially water-free fluids or compositions to a brownstock washing process. This enables real-time adjustment of wash aids and other process aids thus improving the overall operation of brownstock washing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.