ORGANIC WASTE WATER TREATMENT APPARATUS

ORGANIC WASTE WATER TREATMENT APPARATUS

PURPOSE: To shorten the stagnation time of water to be treated by preventing that a tubificid is excessively propagated to be bonded to the fixed bed carrier arranged in an aerobic tank and well and efficiently performing the nitration reaction in the aerobic tank while suppressing the lowering of t...

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Hauptverfasser: SHIGEMORI RIE, ASANO HIDEYUKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator SHIGEMORI RIE
ASANO HIDEYUKI
description PURPOSE: To shorten the stagnation time of water to be treated by preventing that a tubificid is excessively propagated to be bonded to the fixed bed carrier arranged in an aerobic tank and well and efficiently performing the nitration reaction in the aerobic tank while suppressing the lowering of the quality of treated water or the generation of scum and a malodor. CONSTITUTION: An aerobic tank 6 is divided into two divided tanks 42, 44 arranged from an upstream side and a downstream side and a fixed bed carrier 46 is arranged in the rear stage divided tank 44. A washing mechanism 48 for periodically washing the fixed bed carrier 46 is provided to the rear stage divided tank 44. In this case, as the fixed bed carrier 46, a net like carrier is pref. used. Further, a fibrous substance catching member 50 for catching a fibrous substance present in water to be treated is desirably arranged on the upstream side of the inflow part of the aerobic tank 6.
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CONSTITUTION: An aerobic tank 6 is divided into two divided tanks 42, 44 arranged from an upstream side and a downstream side and a fixed bed carrier 46 is arranged in the rear stage divided tank 44. A washing mechanism 48 for periodically washing the fixed bed carrier 46 is provided to the rear stage divided tank 44. In this case, as the fixed bed carrier 46, a net like carrier is pref. used. 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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title ORGANIC WASTE WATER TREATMENT APPARATUS
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