Method for improved recovery of tall oil from black liquors
US4238304A · kind A · utility
9Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1979 |
| Grant date | Dec 9, 1980 |
| Priority date | — |
| Expiry date | Aug 30, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D43/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Acidulated black liquor soap from a paper making process is subjected to an electrical potential gradient, in order to improve the yield of tall oil recoverable from the sludge portion of acidulated soap upon separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.