Method of pre-treating peat for use in biofilters for wastewater treatment and use thereof
US5206206A · kind A · utility
14Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1991 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Jul 26, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of physical and chemical pre-treatment of peat to be used in biofilters for wastewater treatment is disclosed. Particularly, the invention relates to a mixture of peat which has been pre-seeved and then mixed with pre-determined concentrations of a Fe-containing compound and lime. Biofilters which utilizes this peat mixture useful for wastewater treatment are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.