Biofilter media to remove odour causing compounds from waste gas streams
US8772015B2 · kind B2 · utility
8Cited by
26References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2008 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Jun 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A biofilter media has one or more of a set of desired physical characteristics. The set of physical characteristics includes a sphericity of 0.75 to 1, a particle size of 1 to 16 or 4 to 8 mm, a uniformity coefficient of 2 or less and a surface area of 800 to 2000 m2/m3 of media. The media is coated, supports microorganisms and is used to treat a waste gas stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.