Multi-stage treatment system and methods for removal of target vapor compounds from contaminated air streams
US11338244B1 · kind B1 · utility
1Cited by
9References
20Claims
0Family size
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Key dates
| Filing date | Apr 23, 2019 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | May 22, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A multi-stage treatment system for removal of target vapor compounds from a contaminated air stream consisting of an initial bioscrubber stage utilizing a plurality of filter media derived from foamed glass immediately followed by a biofilter stage utilizing a plurality of media derived from the calcareous exoskeleton of a bivalve mollusk (shell media).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.