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Method for treating industrial sewage

A technology for treatment process and industrial sewage, which is applied in water/sewage treatment, biological water/sewage treatment, oxidized water/sewage treatment, etc. It can solve the problems of many reaction conditions, complicated dosing and takeover, and large consumption of medicine. Achieve the effect of small residual solids, high phosphorus removal rate and low cost

Inactive Publication Date: 2018-12-14
朱翠帮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the Fenton method device occupies a large area, the dosing and connection are complicated, the chemical consumption is large, and the chemical cost is high. After the reaction, the pH and precipitation need to be adjusted, and a lot of sludge and hazardous waste are likely to be generated. Many conditions are required, and the treatment effect is unstable, which limits the development of large-scale industrialization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A process for treating industrial sewage, comprising the steps of:

[0018] (1) Use the sewage pump to remove the coarse solid debris in the sewage through the grid, and then send the sewage into the grit chamber for sedimentation treatment;

[0019] (3) Discharge the settled sewage in the grit chamber to the anaerobic hydrolysis tank for anaerobic treatment. In the anaerobic zone, add carbon-containing nutrient solution, and the denitrifying bacteria in the sewage will reduce the nitrate nitrogen to nitrogen and discharge it;

[0020] (4) Send the anaerobically treated sewage into the anoxic zone for anoxic treatment;

[0021] (5) Send the sewage treated in the anoxic zone into the catalyst reaction tank, and further react by adding catalyst;

[0022] (6) Send the sewage treated in step (5) into the ozone reaction tower for reaction;

[0023] (7) Send the ozone-reacted sewage into the secondary sedimentation tank, and add a flocculant for flocculation treatment to se...

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PUM

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Abstract

The invention discloses a method for treating industrial sewage. The method comprises: removing coarse solid impurities in sewage through a grid, feeding the sewage into a sedimentation tank, carryingout sedimentation, carrying out anaerobic and anoxic treatment and catalyst reaction on the sewage and carrying out flocculation and filtration. The method has simple processes, good effects, a gooddecolorization rate, high COD the BOD removal rates, high phosphorus removal rate, low cost and promotion feasibility.

Description

technical field [0001] The invention relates to a sewage treatment method, in particular to an industrial sewage treatment process. Background technique [0002] With the development of my country's industry, a large amount of industrial sewage and domestic sewage are produced, and the pollution impact on the environment is becoming more and more obvious. Among them, the difficult sewage discharged, such as chemical sewage, petrochemical sewage, coking sewage, landfill leachate, pharmaceutical sewage, electroplating cyanide-containing sewage, grinding sewage, etc., contains many refractory biodegradable organic substances and biological toxic substances, and the organic components are complex , COD concentration is high, and this type of sewage is very difficult to treat. In recent years, my country has done a lot of research and technological development in the field of difficult sewage treatment, but the corresponding environmental protection tasks are still very arduous....

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/001C02F1/5236C02F1/56C02F1/78C02F3/286C02F3/30C02F3/34C02F2001/007C02F2301/08
Inventor 朱翠帮
Owner 朱翠帮