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Sewage treatment system and technology thereof

A sewage treatment system and microwave treatment technology, applied in the field of sewage treatment system and its process, can solve the problems of low treatment efficiency and increase treatment cost, and achieve the effects of improving treatment efficiency, reducing treatment cost and reducing resource waste.

Active Publication Date: 2016-01-20
XIAMEN TONGLIYUAN ELECTRIC EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing electroplating wastewater treatment systems and methods generally treat one of the above three kinds of electroplating wastewater. In this way, different treatment methods and treatment devices need to be designed for different types of electroplating wastewater, which greatly increases the treatment cost. And the processing efficiency is also low

Method used

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  • Sewage treatment system and technology thereof
  • Sewage treatment system and technology thereof
  • Sewage treatment system and technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] A kind of electroplating wastewater treatment process, comprises the following steps:

[0075] Step 1: introducing the electroplating wastewater into the pretreatment device 1 from the water inlet;

[0076] Step 2: After the electroplating wastewater is pretreated, it is introduced into the pool body 2; wherein, the pretreatment includes flocculation treatment, sedimentation treatment and filtration treatment of the electroplating wastewater, and then adsorption and reverse osmosis treatment components.

[0077] Step 3: Add an acidic solution into the pool body 2, control the first stirring device to keep stirring, and adjust the pH value of the electroplating wastewater to 3.0 and the ORP value to 250; wherein, the acidic solution is hydrogen peroxide.

[0078] Step 4: If the pH value of the electroplating wastewater does not reach 3.0 or the ORP value does not reach 250, then process the electroplating wastewater according to step 3; if the pH value of the electroplat...

Embodiment 2

[0098] Step 1: introducing the electroplating wastewater into the pretreatment device 1 from the water inlet;

[0099] Step 2: After the electroplating wastewater is pretreated, it is introduced into the pool body 2; wherein, the pretreatment includes flocculation treatment, sedimentation treatment and filtration treatment of the electroplating wastewater, and then adsorption and reverse osmosis treatment components.

[0100] Step 3: Add an acidic solution into the pool body 2, control the first stirring device to keep stirring, and adjust the pH value of the electroplating wastewater to 2.0 and the ORP value to 270; wherein, the acidic solution is sulfuric acid.

[0101] Step 4: If the pH value of the electroplating wastewater does not reach 2.0 or the ORP value does not reach 270, then process the electroplating wastewater according to step 3; if the pH value of the electroplating wastewater reaches 2.0 and the ORP value reaches 270, then perform step 5;

[0102] Step 5: add...

Embodiment 3

[0121] A kind of electroplating wastewater treatment process, comprises the following steps:

[0122] Step 1: introducing the electroplating wastewater into the pretreatment device 1 from the water inlet;

[0123] Step 2: After the electroplating wastewater is pretreated, it is introduced into the pool body 2; wherein, the pretreatment includes flocculation treatment, sedimentation treatment and filtration treatment of the electroplating wastewater, and then adsorption and reverse osmosis treatment components.

[0124] Step 3: Add an acid solution into the pool body 2, control the first stirring device to keep stirring, and adjust the pH value of the electroplating wastewater to 4.0 and the ORP value to 230; wherein, the acid solution is hydrogen peroxide.

[0125] Step 4: If the pH value of the electroplating wastewater does not reach 4.0 or the ORP value does not reach 230, then process the electroplating wastewater according to step 3; if the pH value of the electroplating ...

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Abstract

The invention discloses a sewage treatment system, which comprises a pretreatment device, a tank body, a first-level sedimentation tank, a microwave treatment device, a degassing tank, a second-level sedimentation tank, an ammonia removal tank, a third-level sedimentation tank and an acid adjustment tank. The technology comprises the following steps of (1) collecting electroplating wastewater; (2) treating the electroplating wastewater; (3) discharging the electroplating wastewater. According to the sewage treatment system and the technology thereof, the three electroplating wastewater treatment steps are carried out simultaneously, so that the treatment efficiency is improved, the treatment cost is reduced, and the treatment effect is optimized.

Description

technical field [0001] The invention relates to the field of electroplating wastewater treatment, in particular to a sewage treatment system and a process thereof. Background technique [0002] At present, electroplating wastewater is mainly composed of wastewater and waste liquid discharged from electroplating factories (or workshops), such as rinsing water for plating parts, waste bath liquid, equipment cooling water and surface water for washing. Due to many types of plating, cumbersome process, complex water quality, and difficult control of components, electroplating wastewater mainly contains heavy metal ions such as chromium, cadmium, nickel, copper, zinc, gold, silver and cyanide, etc. These electroplating wastewater are carcinogenic and teratogenic , Mutagenic and highly toxic substances have caused great harm to the living environment of humans and other organisms. [0003] Electroplating wastewater can generally be divided into three categories: the first categor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08C02F103/16
Inventor 许先进
Owner XIAMEN TONGLIYUAN ELECTRIC EQUIP