Methods and systems for solvent purification
US9115467B2 · kind B2 · utility
9Cited by
162References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jan 3, 2033 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C11/0007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method including: (a) contacting lime with an extract including an S1 solvent carrying a contaminant load to form a lime treated extract; and (b) reducing the contaminant load by removing solids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.