Treatment apparatus and treatment process for catalytic cracking flue gas desulfurization waste liquid

Treatment apparatus and treatment process for catalytic cracking flue gas desulfurization waste liquid

The invention provides a treatment apparatus and a treatment process for a catalytic cracking flue gas desulfurization waste liquid. The apparatus includes two stages of air oxidizing pots and a clarifier, wherein a ceramic membrane filter is inclinedly arranged in the lower part of the interior of...

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Hauptverfasser: LIU FAQIANG, QI GUOQING, LIU GUANGLI, HE LIN, JIANG YAN, WEN SHANXIONG, LI YANG, WU SHUFENG, LI JINGRUI, ZHANG YUAN, WANG WEIDONG, GU LIFEN
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator LIU FAQIANG
QI GUOQING
LIU GUANGLI
HE LIN
JIANG YAN
WEN SHANXIONG
LI YANG
WU SHUFENG
LI JINGRUI
ZHANG YUAN
WANG WEIDONG
GU LIFEN
description The invention provides a treatment apparatus and a treatment process for a catalytic cracking flue gas desulfurization waste liquid. The apparatus includes two stages of air oxidizing pots and a clarifier, wherein a ceramic membrane filter is inclinedly arranged in the lower part of the interior of a secondary air oxidizing pot. The treatment process for treating the desulfurization waste liquid includes the steps of: a) feeding the desulfurization waste liquid into the air oxidizing pots, and mixing the waste liquid with a flocculating agent uniformly through air stirring during oxidization in the air oxidizing pots, so that tiny particles are flocculated to form a large flocculation body which is then discharged into the clarifier; and b) through gravity settlement in the clarifier, carrying solid-liquid separation, discharging a supernatant into the air oxidizing pots and oxidizing the supernatant with air and filtering the supernatant through the ceramic filter, and finally discharging the supernatant aft
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Treatment apparatus and treatment process for catalytic cracking flue gas desulfurization waste liquid
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