System and process for treating waste gas employing bio-treatment technology
US8222021B2 · kind B2 · utility
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2References
2Claims
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Inventors
Key dates
| Filing date | Dec 5, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | May 16, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A waste gas treatment process using biological treatment technology including filtering waste gas to be treated, and introducing the filtered waste gas into a biological treatment system periodically and switchably from two ends of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.