Waste water treatment plant for removing nitrogen and phosphorus

Details Waste water treatment plant for removing nitrogen and phosphorus Waste water treatment plant for removing nitrogen and phosphorus

1998-06-22

2000-02-29

Simmons, David A.

Liquid purification or separation

With means to add treating material

Plural distinct separators

210138, 210252, C02F 900

Patent

active

060305282

ABSTRACT:
A waste water treatment plant for removing nitrogen and phosphorus is provided. The plant is operable by flow path change and intermittent aeration by the combination of at least two sets if intra-clarifier type oxidation ditches, external-clarifier type oxidation ditches or activated sludge processes.

REFERENCES:
patent: 4966705 (1990-10-01), Jamieson et al.
patent: 5071547 (1991-12-01), Cazer et al.
patent: 5354471 (1994-10-01), Timpany et al.
Design of Municipal Wastewater Treatment Plants--vol. I: Chapters 1-12, pp. 601-608 (WEF Manual of Practice No. 8), Dec. 1992.
Design of Municipal Wastewater Treatment Plants--vol. II: Chapters 13-20, pp. 928-933 (WEF Manual of Practice No. 8) 1992.
Two Dong Myeong Engineering Consultants design drawings, 1997. 5 [P & ID (1) and P & ID (2)].

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