Digestion units configured for high yield biomass processing
US9199212B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2013 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Nov 30, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00114
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Digestion units for processing cellulosic biomass can comprise a chamber having a height that is greater than its width, the chamber having an opening suitable for solids introduction located within the upper 20% of its height; one or more first fluid conduits connected to the chamber within the lower 20% of its height, at least one of the first fluid conduits extending into the chamber and being elevated above the bottom of the chamber; one or more second fluid conduits connected to the chamber within the upper 20% of its height, at least one of the first fluid conduits being fluidly coupled to at least one of the second fluid conduits; a porous medium located in the chamber within the lower 20% of its height; and a movable pressure isolation device covering the opening; wherein the digestion unit is operable to maintain a pressure of at least about 30 bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.