Nutrient and particle removal: method and apparatus for treatmen

Details Nutrient and particle removal: method and apparatus for treatmen Nutrient and particle removal: method and apparatus for treatmen

1991-06-17

1992-09-01

Sever, Frank

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210800, 210170, 2102421, 210206, 210535, B01D 2101, B01D 2102

Patent

active

051436230

ABSTRACT:
A method and apparatus for capturing descending particle matter and chemical precipitate so that this material can be removed from a water body on a timely basis to remove offending nutrients. This method uses a plurality of funnel shaped collection chambers each attached at its apex to a collection conduit. Descending particle matter and precipitate concentrates at the apex of the chamber where a flow control valve closes upon activation of a suction on the receiving conduit so that external flow is restricted and flow velocity within the tube is maximized to aid suspension and removal of accumulated material. A tube selector is utilized to apply suction to only one collection conduit at a time, and a chemical feed apparatus is employed to produce the chemical precipitate above the receiving chambers. By this method, nutrients and particle matter can be removed from water bodies thus restoring their water quality.

REFERENCES:
patent: 2673451 (1954-03-01), Gariel
patent: 4202778 (1980-05-01), Middlebeek
patent: 4209388 (1980-06-01), DeFraites
patent: 4298471 (1981-11-01), Dunkers
patent: 4507206 (1926-03-01), Hughes
patent: 4614458 (1986-09-01), Austia
patent: 4701260 (1987-10-01), Lee
patent: 4948518 (1990-08-01), Targay
patent: 5008075 (1991-04-01), Rufolo

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