METHOD AND APPARATUS FOR REMOVING PHOSPHORUS AND NITROGEN FROM SEWAGE

METHOD AND APPARATUS FOR REMOVING PHOSPHORUS AND NITROGEN FROM SEWAGE

PROBLEM TO BE SOLVED: To provide a method of efficiently stably removing nitrogen and phosphorus from sewage having a fluctuation of the amount of water and water quality, and an apparatus. SOLUTION: The biologically removing method of phosphorus and nitrogen from the sewage using an anaerobic tank,...

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Hauptverfasser: TAIMA HISAO, KANDO KOICHIRO, MURAKAMI TAKAO, KATO TOSHIRO, YAMASATO MASAHARU, MIKI OSAMU, OKAMOTO YUZO, MORIOKA TAKAYUKI, SETOGUCHI HIROSHI, TAKAHASHI NAOYA, MATSUBARA KIWAMU
Format: Patent
Sprache:eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator TAIMA HISAO
KANDO KOICHIRO
MURAKAMI TAKAO
KATO TOSHIRO
YAMASATO MASAHARU
MIKI OSAMU
OKAMOTO YUZO
MORIOKA TAKAYUKI
SETOGUCHI HIROSHI
TAKAHASHI NAOYA
MATSUBARA KIWAMU
description PROBLEM TO BE SOLVED: To provide a method of efficiently stably removing nitrogen and phosphorus from sewage having a fluctuation of the amount of water and water quality, and an apparatus. SOLUTION: The biologically removing method of phosphorus and nitrogen from the sewage using an anaerobic tank, a non-oxygen tank and an aerobic tank comprises aerating the aerobic tank by dividing it into a plurality of sections from the upstream side to the downstream side, and reducing the amount of aeration in each section of the aerobic tank from the upstream side to the downstream side. COPYRIGHT: (C)2008,JPO&INPIT
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title METHOD AND APPARATUS FOR REMOVING PHOSPHORUS AND NITROGEN FROM SEWAGE
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