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A kind of wastewater treatment method

A wastewater treatment and wastewater technology, applied in water/sewage treatment, water/sewage multi-stage treatment, light water/sewage treatment, etc., can solve problems such as unsatisfactory wastewater treatment effect, and achieve the effect of improving quality and reducing cost

Active Publication Date: 2021-08-06
厚普环保科技(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a kind of waste water treatment method, to solve the technical problems existing in the unsatisfactory waste water treatment effect of the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of wastewater treatment method, at first, adjust the working pressure of the preprocessor equipped with the microfiltration membrane to be 12MPa, the working temperature is 50 ℃, filter the wastewater through the preprocessor equipped with the microfiltration membrane to remove suspended solids; secondly, Adjust the working pressure of the water purification separator equipped with a modified reverse osmosis membrane to 3MPa, and the working temperature to 20°C, pass the waste water through the water purification separator equipped with a reverse osmosis membrane to remove salt ions, and then adjust the work of the ultraviolet catalytic treatment system The pressure is 10MPa, and the working temperature is 120°C. The wastewater is passed through the ultraviolet catalytic treatment system to catalyze the oxidation and decomposition of organic matter in the wastewater.

[0020] The graphene oxide composite membrane is composed of a solid-phase carrier layer and a gr...

Embodiment 2

[0024] A kind of wastewater treatment method, at first, adjust the working pressure of the preprocessor equipped with the microfiltration membrane to be 20MPa, the working temperature is 80 ℃, filter the wastewater through the preprocessor equipped with the microfiltration membrane to remove suspended solids; secondly, Adjust the working pressure of the water purification separator equipped with a modified reverse osmosis membrane to 8MPa, and the working temperature to 50°C, pass the waste water through the water purification separator equipped with a reverse osmosis membrane to remove salt ions, and then adjust the work of the ultraviolet catalytic treatment system The pressure is 15MPa, and the working temperature is 150°C. The wastewater is passed through the ultraviolet catalytic treatment system to catalyze the oxidation and decomposition of organic matter in the wastewater.

[0025] The graphene oxide composite membrane is composed of a solid-phase carrier layer and a gr...

Embodiment 3

[0029] A kind of wastewater treatment method, at first, adjust the working pressure of the preprocessor equipped with the microfiltration membrane to be 14MPa, the working temperature is 65 ℃, filter the wastewater through the preprocessor equipped with the microfiltration membrane to remove suspended solids; secondly, Adjust the working pressure of the water purification separator equipped with a modified reverse osmosis membrane to 5MPa, and the working temperature to 35°C, pass the wastewater through the water purification separator equipped with a reverse osmosis membrane to remove salt ions, and then adjust the work of the ultraviolet catalytic treatment system The pressure is 12MPa, and the working temperature is 130°C. The wastewater is passed through the ultraviolet catalytic treatment system to catalyze the oxidation and decomposition of organic matter in the wastewater.

[0030] The graphene oxide composite membrane is composed of a solid-phase carrier layer and a gra...

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Abstract

The invention belongs to the technical field of environmental protection, and in particular relates to a waste water treatment method, in which the waste water is filtered through a preprocessor equipped with a microfiltration membrane to remove suspended solids, and then the salt is removed through a water purification separator equipped with a reverse osmosis membrane ions, and then use the ultraviolet catalytic treatment system to catalyze and oxidize the organic matter in the wastewater; wherein, the pressure of the preprocessor is 12~20MPa and the temperature is 50~80°C; the reverse osmosis membrane is graphene oxide The composite membrane should be modified before use, that is, the graphene oxide composite membrane should be soaked in a mixture of polycarbonate and ethanol for modification. The operating pressure of the reverse osmosis membrane filtration treatment is 3~8MPa, and the temperature is 20~ 50°C; the pressure of the catalytic oxidation of the ultraviolet catalytic treatment system is 10~15MPa, and the temperature is 120~150°C. The invention not only improves the quality of recovered water through the synergistic effect of the two membranes and the combination of catalytic treatment, but also greatly reduces the cost of treating waste water.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a wastewater treatment method. Background technique [0002] At present, wastewater treatment methods include physical methods, chemical methods and biological methods, physical methods, such as adsorption methods; chemical methods, such as oxidation methods, electrolysis methods, photocatalytic methods, etc.; biological methods, such as microbial methods. With the development of industry, the amount of industrial wastewater produced is huge. Industrial wastewater refers to wastewater, sewage and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediate products and products lost with water, as well as pollutants produced in the production process. Since industrial wastewater is usually acidic or alkaline, if these acidic or alkaline industrial wastewater is discharged directly to the outside worl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08
CPCC02F1/32C02F1/441C02F1/444C02F1/725C02F9/00
Inventor 不公告发明人
Owner 厚普环保科技(苏州)有限公司