Complete set of electrocatalytic reaction device and treatment method for treating high-salt and high-ammonia-nitrogen wastewater

Abstract

The invention discloses electro-catalysis reaction complete equipment and a method for treating high-salt high-ammonia-nitrogen wastewater. The electro-catalysis reaction complete equipment comprises an electro-catalysis reactor main body, a periodic reversal type direct-current power supply, a water inlet pump, an air blower and a gas absorbing tower, wherein the electro-catalysis reactor main body comprises a plurality of cathode and anode chambers which are separated by ion selective permeable membranes; a gas-liquid separator is arranged at the upper part of each of the cathode and anode chambers; two polar plates connected to the periodic reversal type direct-current power supply are arranged at the two ends inside each of cathode and anode chambers; an ultrasonic oscillating device is arranged in the middle of each chamber; the bottom of each chamber is connected to the air blower by virtue of a gas inlet tube; a circulating pump is arranged outside each chamber; the top of each gas-liquid separator is connected to an exhaust fan; the exhaust fan is communicated with the gas absorbing tower and exhausted gas is fed into the gas absorbing tower to be treated; after entering all the cathode chambers in sequence and being pretreated and deaminized, the wastewater enters each anode chamber and is deeply treated and deaminized. The electro-catalysis reaction complete equipment disclosed by the invention is simple, compact in process route, high in automation degree and high in treatment efficiency.

Description

technical field [0001] The invention belongs to the professional field of ammonia-nitrogen wastewater treatment, and in particular relates to a complete electrocatalytic reaction device for treating high-salt and high-ammonia-nitrogen wastewater and a treatment method for degrading and treating high-salt and high-ammonia-nitrogen wastewater. Background technique [0002] In industrial production, the problem of high salinity and high ammonia nitrogen wastewater treatment is often encountered. High-salt and high-ammonia nitrogen wastewater has become a recognized extremely difficult wastewater due to its high salt content, high ammonia nitrogen content, and difficulty in biochemical treatment. This kind of wastewater continuously enters the environment, causing great harm to industrial and agricultural production, people's lives and human health. Therefore, how to efficiently treat high-salt and high-ammonia-nitrogen wastewater to meet the discharge standards has become a new...

AI Technical Summary

Problems solved by technology

When the pH value is high, the proportion of free ammonia is high, and when the pH value is low, the proportion of ammonia salt is high. The proportion of ammonia salt and free ammonia changes with the pH value of wastewater, and due to the high salt content of such wastewater Therefore, it is not suitable to use the biological denitrification method for treatment. Therefore, for the treatment of high-salt and high-ammonia-nitrogen organic wastewater, it is advisable to use the blow-off method for pretreatment first, and then use the breakpoint chlorination method for advanced treatment until the discharge reaches the standard. However, these Traditional treatment methods have disadvantages such as large doses of medicines used, large potential safety hazards in medicine storage, large equipment footprint, low treatment efficiency, high energy consumption, difficult maintenance and management, and occupation of a large number of human resources.

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