Method for degrading organic pollutants through cooperation of persulfate and ultrasonic stirring

Method for degrading organic pollutants through cooperation of persulfate and ultrasonic stirring

The invention discloses a method for degrading organic pollutants by persulfate and ultrasonic stirring, which comprises the following steps: S1, adjusting the pH value of wastewater containing organic pollutants to 3.00-10.60 and then adding persulfate, or adjusting the pH value of wastewater conta...

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Hauptverfasser: ZHANG LIJUAN, JIA MIN, LIU HUI, CHEN FENGXI, GUO SHENG, CHEN RONG
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator ZHANG LIJUAN
JIA MIN
LIU HUI
CHEN FENGXI
GUO SHENG
CHEN RONG
description The invention discloses a method for degrading organic pollutants by persulfate and ultrasonic stirring, which comprises the following steps: S1, adjusting the pH value of wastewater containing organic pollutants to 3.00-10.60 and then adding persulfate, or adjusting the pH value of wastewater containing organic pollutants to 3.00-7.70 and then adding persulfate and metal ions, the metal ions being one or more of Fe < 3 + >, Cu < 2 + >, Al < 3 + >, Ag < + >, Ni < 2 + >, Mg < 2 + >, Ca < 2 + > and Co < 2 + >; and S2, putting the wastewater obtained in the step S1 into an ultrasonic device, carrying out ultrasonic treatment at the ultrasonic temperature of 25-55 DEG C while starting stirring, and carrying out ultrasonic stirring treatment for 5-120 minutes to finish degradation of organic pollutants in the wastewater. Under ultrasonic and mechanical stirring, under the synergistic effect with persulfate, the effect of greatly enhancing the degradation efficiency is achieved, the degradation technology can be en
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Method for degrading organic pollutants through cooperation of persulfate and ultrasonic stirring
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