Process for reducing one or more insoluble solids in a black liquor
US8940129B2 · kind B2 · utility
0Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Jan 3, 2032 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C11/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
One exemplary embodiment can be a process for reducing one or more insoluble solids in a black liquor. The process may include hydrothermal processing the black liquor to a temperature of about 250-less than about 300° C. for an effective time to reduce the one or more insoluble solids by more than about 40%, by weight, based on a weight of the one or more insoluble solids prior to hydrothermal processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.