White spirit process sewage treatment method and system

White spirit process sewage treatment method and system

The invention provides a sewage treatment method and system for a white spirit process, and relates to the technical field of sewage treatment.The method comprises the steps that waste water and water are subjected to heat exchange and then introduced into a cooling tower, and normal-temperature was...

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Hauptverfasser: DENG YUE, CHEN GUANGJIU
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator DENG YUE
CHEN GUANGJIU
description The invention provides a sewage treatment method and system for a white spirit process, and relates to the technical field of sewage treatment.The method comprises the steps that waste water and water are subjected to heat exchange and then introduced into a cooling tower, and normal-temperature waste water is obtained; adjusting the pH value of the normal-temperature wastewater to obtain weak-base wastewater; adding a flocculating agent into the weak base wastewater to obtain first waste liquid and a first solid; raising the temperature of the first waste liquid, keeping the temperature at 35-38 DEG C, and carrying out anaerobic hydrolysis on the first waste liquid to obtain degraded liquid; carrying out biochemical treatment on the degraded liquid to obtain a second waste liquid and a second solid; performing oxidation reaction on the second waste liquid to obtain oxidized liquid; performing biochemical treatment on the oxidized liquid to obtain third waste liquid and third solid; third waste liquid is coll
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title White spirit process sewage treatment method and system
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