Wastewater treatment process for producing rubber accelerator NOBS

A technology of rubber accelerator and waste water production, which is applied in biological water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the pollution hazards of sewage receiving bodies, trouble enterprises, and make treatment difficult and other problems, to achieve the effect of no secondary pollution, wide range of use, and good water purification effect

Inactive Publication Date: 2015-04-29
SHANDONG YONGTAI CHEM GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The rubber industry is one of the major drainage households in the petrochemical industry. Its drainage water quality is complex and changes greatly. For example, the rubber accelerator NOBS wastewater contains more refractory organic matter. It is difficult to achieve the ideal by direct physical clarification or chemical reagent treatment. governance effect
The wastewater produced in the synthetic rubber production process has a large amount of discharge and strong toxicity. If it is discharged directly without treatment, it will seriously pollute the ecological environment. At the same time, due to the complex water quality and high organic content of rubber wastewater, it is very difficult to treat, especially It is the wastewater discharged from the production of styrene-butadiene rubber
Generally, the production of chloroprene rubber adopts the calcium carbide method, and a large amount of high-concentration organic wastewater is produced during the production process. The water is highly toxic and contains a large amount of organic matter that is difficult to biodegrade, such as benzene series, dispersants, curds, etc. Such as acetylene, acetaldehyde, chloroprene, benzene, chlorobenzene, copper, etc., are industrial wastewater that is seriously polluted and extremely difficult to treat. The treatment of this wastewater has always been a difficult problem for enterprises, and related very little research
[0003] The production process of NOBS products produces a large amount of high-quality fractional wastewater containing raw materials and additives. If it is discharged directly without treatment, it will inevitably cause certain pollution hazards to the sewage water. If it is discharged into the existing biochemical treatment device, it will It will have an impact on the biochemical treatment unit, therefore, NOBS wastewater must be pretreated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The method for treating waste water with a water purifying agent for the treatment of rubber accelerator NOBS production waste water, the method comprises the following steps:

[0052] (1) Add acid to the wastewater and neutralize it to a pH of about 7.0;

[0053] (2) adding defoamer to the waste water in step (1), and then through aeration defoaming treatment for 3 hours, the defoamer accounts for 4% of the weight of the waste water;

[0054] (3) adding a microbial water purifying agent to the waste water in step (2), and its addition accounts for 0.16% of the total weight of the waste water;

[0055] The parts by weight of the microbial water purifier are: nitrifying bacteria powder 1.2, paracoccus denitrifying bacteria powder 0.9, sulfur bacteria powder 0.5, aniline degrading bacteria powder 0.9, flocculating bacteria powder 0.9, silicate bacteria powder 0.6, Bacillus subtilis powder 0.8;

[0056] (4) adding an enzyme preparation to the wastewater in step (3); the ...

Embodiment 2

[0065] The wastewater treatment process of rubber accelerator NOBS production includes the following steps:

[0066] (1) Add acid to the wastewater to neutralize to pH 6.8;

[0067] (2) adding defoamer in the waste water in step (1), and then through aeration defoaming treatment for 5 hours, the defoamer accounts for 2% of the weight of the waste water;

[0068] (3) adding a microbial water purifying agent to the waste water in step (2), and its addition accounts for 0.02% of the total weight of the waste water;

[0069] The parts by weight of the microbial water purifier are: nitrifying bacteria powder 0.5, paracoccus denitrifying bacteria powder 0.5, sulfur bacteria powder 0.2, aniline degrading bacteria powder 0.3, flocculating bacteria powder 0.5, silicate bacteria powder 0.3, Bacillus subtilis powder 0.4, the amount of which accounts for 0.02% of the total weight of the wastewater;

[0070] (4) adding an enzyme preparation to the wastewater in step (3); the parts by wei...

Embodiment 3

[0073] The wastewater treatment process of rubber accelerator NOBS production includes the following steps:

[0074] (1) Add acid to the wastewater to neutralize to pH 7.2;

[0075] (2) adding defoaming agent to the waste water in step (1), then through aeration defoaming treatment for 6 hours, the defoaming agent accounts for 5% of the weight of the waste water;

[0076] (3) adding a microbial water purifying agent to the waste water in step (2), and its addition accounts for 0.3% of the total weight of the waste water;

[0077] The parts by weight of the microbial water purifier are: nitrifying bacteria powder 2.0, denitrifying paracoccus powder 1.5, sulfur bacteria powder 0.8, aniline degrading bacteria powder 1.2, flocculating bacteria powder 1.5, silicate bacteria powder 1.0, Bacillus subtilis powder 1.2;

[0078] (4) adding an enzyme preparation to the wastewater in step (3); the parts by weight of the enzyme preparation are: pectinase 1.5, cellulase 0.8, oxidoreductas...

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PUM

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Abstract

The invention belongs to the technical field of environment-friendly water treatment and in particular relates to a wastewater treatment process for producing a rubber accelerator NOBS. The wastewater treatment process for producing the rubber accelerator NOBS comprises the following steps: (1) adding acid into the wastewater for neutralizing the wastewater water until the pH is 6.5-7.5; (2) adding a defoaming agent into the wastewater in the step (1), and aerating and defoaming for 3-6 hours; (3) adding a microbial purifying agent into the wastewater in the step (2); (4) adding an enzymic preparation into the wastewater in the step (3); and (5) conveying the water in the step (4) to a settling basin and filtering. The wastewater treatment process is high in water purification effect, high in water purification speed, high in safety and free of secondary pollution; the material with the adsorption capability is used as the raw material and is assisted by microorganisms for treating the wastewater, so that the wastewater treatment process is wide in application range; the treated water is extremely high in transparency and is recyclable.

Description

technical field [0001] The invention belongs to the technical field of environmental protection water treatment, and in particular relates to a water purifying agent for treating waste water produced by rubber accelerator NOBS, and also relates to a method for treating waste water produced by rubber accelerator NOBS by using the water purifying agent. Background technique [0002] The rubber industry is one of the major drainage households in the petrochemical industry. Its drainage water quality is complex and changes greatly. For example, the rubber accelerator NOBS wastewater contains more refractory organic matter. It is difficult to achieve the ideal by direct physical clarification or chemical reagent treatment. governance effect. The wastewater produced in the synthetic rubber production process has a large amount of discharge and strong toxicity. If it is discharged directly without treatment, it will seriously pollute the ecological environment. At the same time, du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/34
Inventor 尤晓明王显涛李洋迟文泉邓世海
Owner SHANDONG YONGTAI CHEM GROUP
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