Title:
WATER-CLEANING APPARATUS
Document Type and Number:
Japanese Patent JP2002335810
Kind Code:
A
Abstract:
To provide a water-cleaning apparatus capable of removing nitrates accumulated in rearing water and preventing water from stagnation by gushing water from the water-cleaning apparatus for both plain water and sea water.
A water outlet and a spring pipe are formed on a lid of a water-cleaning apparatus. An area for growing anaerobic microorganisms in the water-cleaning apparatus is enlarged and composed of several platforms.
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Inventors:
KUROIWA MITSUO
Application Number:
JP2001185617A
Publication Date:
November 26, 2002
Filing Date:
May 17, 2001
Export Citation:
Assignee:
KUROIWA MITSUO
International Classes:
A01K63/04; C02F3/06; C02F3/28; C02F3/34; (IPC1-7): A01K63/04; C02F3/06; C02F3/28; C02F3/34
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