Integrated oxidation ditch

Details Integrated oxidation ditch Integrated oxidation ditch

2007-01-05

2011-11-22

Barry, Chester (Department: 1778)

Liquid purification or separation

Processes

Treatment by living organism

C210S926000

Reexamination Certificate

active

08062524

ABSTRACT:
An integrated oxidation ditch comprises a number of oval channels. There are two or more circular zones in the central island of the oxidation ditch, wherein, the two circular zones are tangential to the inner wall or share the inner wall with an adjacent channel. Wastewater of different zones is connected with others. The center island is used sufficiently in the oxidation ditch and all the channels and the deposition zone or the deposition zone and an anaerobic zone, inner/outer re-circulation zone are integrated together. So the oxidation ditch improves space utilization efficiency and reduces the land and cost.

REFERENCES:
patent: 3579439 (1971-05-01), Meiring
patent: 3905904 (1975-09-01), Cherne et al.
patent: 3964998 (1976-06-01), Barnard
patent: 4226717 (1980-10-01), Malm
patent: 4460471 (1984-07-01), Reid
English machine translation of CN03223656.5.

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