Patent · US Active

Bi-phasic bioretention system

US7967979B2 · kind B2 · utility

20Cited by

19References

19Claims

0Family size

Assignee

OHIO STATE UNIVERSITY · US

Inventors

Parwinder Grewal · Wooster, US
Edward McCoy · Wooster, US
Warren A. Dick · Wooster, US
Hanbae Yang · Wooster, US

Key dates

Filing date	Apr 20, 2009
Grant date	Jun 28, 2011
Priority date	—
Expiry date	Aug 19, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W10/10
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

An anaerobic to aerobic sequence enhances biological degradation of many organic pollutants. Exemplary embodiments provide systems and methods for effective treatment of storm-water runoff pollutants such as hydrocarbons, nitrates, phosphorus, and heavy metals using sediment filtration and adsorption, and biochemical processes under bi-phasic bioretention conditions. By integrating these pollution cleanup pro-usages into a single unit, this apparatus optimizes retention time of the runoff through the system and maximizes removal rates of runoff pollutants, resulting in more reliable and efficient treatment mechanism than previous systems.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.