Method and plant for storing fresh water

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment

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405 60, 405 52, 405210, E02B 300

Patent

active

047355247

ABSTRACT:
A method and a plant for storing freshwater to distribute it as consumption water are disclosed. The freshwater is enclosed within a downwardly open tank floating in a body of salt water, e.g. seawater and defined laterally by suspended, substantially vertical curtains and at its top end at least partly by a floating cover. The freshwater is supplied to the tank adjacent its top end so as to form an upper freshwater body therein, the lower portion of the tank being taken up by the salt water. A distinct horizontal boundary layer is formed between the freshwater and the salt water bodies and will move up and down in response to supply and withdrawal of the freshwater. To restrict diffusion of salt water into the freshwater body a separating layer of material having a density intermediate those of the freshwater and the salt water may be arranged at the boundary layer.

REFERENCES:
patent: 2924350 (1960-02-01), Greer
patent: 2947437 (1960-08-01), Greer
patent: 3230967 (1966-01-01), Castro
patent: 3323309 (1967-06-01), Dobell
patent: 3380252 (1968-04-01), Renshaw
patent: 3517513 (1970-06-01), Renshaw et al.
patent: 4102134 (1978-07-01), Margen
patent: 4326818 (1982-04-01), Willis
patent: 4335977 (1982-06-01), Ihli

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