Desulfurization wastewater dechlorination treatment method and desulfurization wastewater treatment equipment

Abstract

The invention discloses a desulfurization wastewater dechlorination treatment method and desulfurization wastewater treatment equipment. The method comprises the following steps: A, firstly, adding anacid into the desulfurization wastewater to adjust the pH value to 0.5-4, and then stirring and mixing with a liquid resin; B, separating an obtained mixture in a separation chamber; C, enabling theseparated liquid resin to enter a liquid resin buffer tank, and enabling separated desulfurization wastewater to enter a next-stage reactor for further treatment; and D, repeating the steps A, B and Cin the treatment process, removing the liquid resin dissolved in the water in an air floatation oil removal device, taking the desulfurization wastewater treated through air floatation treatment andpH adjustment as reuse water, and conveying the liquid resin brought out by bubble floatation into the liquid resin buffer tank. The method has the advantages that the equipment investment is small, the operation cost is low, the produced water after chloride ion removal can meet the industrial water recycling requirement, no waste is generated in the treatment process, real-time adsorption and real-time regeneration are achieved in the reaction process, 100% removal of chloride ions can be achieved, the whole process is continuously operated, waiting and time delay are not needed, and the production efficiency is high.

Description

technical field

[0001] The invention relates to an industrial (desulfurization) wastewater treatment technology, in particular to a dechlorination treatment method for desulfurization wastewater and desulfurization wastewater treatment equipment. Background technique

[0002] In order to protect the resources and environment and meet the requirements of environmental protection, it is necessary to desulfurize the wastewater generated in industrial production. In the prior art, the following two processes are usually used to treat industrial wastewater:

[0003] 1. Desulfurization wastewater adopts triple box + softening + concentration + evaporation + crystallization process

[0004] Its existing problems are:

[0005] 1. Due to the use of the membrane method for concentration treatment, there are requirements for the total salt content of desulfurization wastewater, and higher requirements for the content of calcium and magnesium ions. In the actual operation process, the ...

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