Bioreactor for biological treatment of contaminated water
US5389248A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1993 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | May 21, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a bioreactor unit for the aerobic biological treatment of hydrocarbon contaminated waste water and off-gases. The bioreactor comprises a biotreatment chamber comprising a vertically extending housing unit forming the walls, floor and ceiling of the biotreatment chamber. The housing unit also comprises a door for accessing the biotreatment chamber. The biotreatment chamber also comprises waste water inlet means for discharging waste water under pressure from the upper portion of the biotreatment chamber, onto a plurality of superimposed water treatment trays disposed substantially horizontally inside the chamber, the water treatment trays being adapted for retrieval from the biotreatment chamber through the door of the housing unit. Each water treatment tray has at least one bottom porous section adapted to receive contact media. The contact media on the porous section of the water treatment trays acts to retain and favor the growth of microorganisms having the ability to degrade hydrocarbons. The water treatment trays are disposed in the biotreatment chamber in a stationary relationship during treatment to permit intimate successive contact of waste water a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.