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A kind of treatment process of rubber vulcanization accelerator production waste water

A technology for the production of waste water and treatment process, applied in biological water/sewage treatment, oxidized water/sewage treatment, special compound water treatment, etc., can solve the problems of high treatment cost, high sludge output, high operating cost, etc., and achieve treatment efficiency Excellent, low yield effect

Active Publication Date: 2022-05-17
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the secondary sludge that is easy to form solid waste is hazardous solid waste, and its disposal is difficult and costly.
[0005] Therefore, it is urgent to develop a clean, efficient, and solid-waste-free treatment method for organic pollutants in rubber accelerator washing wastewater to solve the problems of high sludge output and high operating costs while the washing wastewater is discharged up to standard

Method used

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  • A kind of treatment process of rubber vulcanization accelerator production waste water
  • A kind of treatment process of rubber vulcanization accelerator production waste water
  • A kind of treatment process of rubber vulcanization accelerator production waste water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: Accelerator M, chemical name is the treatment process of 2-thiol benzothiazole production wastewater

[0028] (1) Mother liquor disposal procedure

[0029] ①Take a water sample of 1000ml, adjust the pH of the wastewater to 5-6, the temperature at 30 degrees Celsius, the amount of peroxidase added: 0.1% of the total amount of wastewater, the type of peroxidase selected: P450 monooxygenase, chlorine peroxidation Phytochaete chrysosporium peroxidase, plant peroxidase, and Phanerochaete chrysosporium peroxidase, the weight ratio of the four peroxidases is 1:1:1:1, (enzyme activity index is greater than 100,000 enzyme activity units) , the amount of 30% hydrogen peroxide added: the weight ratio of COD to 30% hydrogen peroxide: 1:0.1, add 30% hydrogen peroxide in batches, the amount of each addition is less than 100mg / L, the time interval is 10min, the form of oxygenation, aeration and stirring, the reaction Time: 1hr, the dissolved oxygen concentration in the ...

Embodiment 2

[0043] Embodiment 2: Accelerator CBS, chemical name is the treatment process of N-cyclohexyl-2-benzothiazole sulfenamide production wastewater

[0044] (1) Mother liquor disposal procedure

[0045]①Take a water sample of 1000ml, adjust the pH of the wastewater to 5-6, and the temperature to 50 degrees Celsius. The amount of peroxidase added: 0.07% of the total amount of wastewater. The types of peroxidase include: chloroperoxidase, plant peroxidase Phylochaete chrysosporium peroxidase and Phanerochaete chrysosporium peroxidase, its ratio is 1:1:1, (enzyme activity index is greater than 100,000 enzyme activity units), then add 30% hydrogen peroxide, the weight ratio of COD and 30% hydrogen peroxide :1:0.4, add 30% hydrogen peroxide in batches, the amount of each addition is less than 100mg / L, the time interval is 6min, adopt the form of oxygenation and aeration stirring, keep the dissolved oxygen not less than 2mg / L, reaction time: 1hr , filtered through a 30 micron filter,

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Abstract

The invention relates to a process for treating waste water produced by a rubber vulcanization accelerator, including a process for treating mother liquor and a process for treating waste water from product washing; wherein, the process route for mother liquor treatment is: peroxidase pretreatment—microfiltration—high concentration ozone two Secondary treatment—ultrafiltration—multi-effect evaporation—condensate—supplementary water for product washing; the process route for product washing wastewater treatment is: peroxidase pretreatment—Fenton secondary treatment—neutralization and degassing—flocculation sedimentation—filtration— Reuse the washing process. The invention can effectively remove the organic matter in the mother liquor to obtain high-purity salt; at the same time, under the premise that the treatment effect is equivalent to that of the Fenton process, the consumption amount of the Fenton reagent and the sludge output can be significantly reduced.

Description

technical field [0001] The invention relates to a process for treating wastewater produced by a rubber vulcanization accelerator, which belongs to the wastewater treatment process. Background technique [0002] Rubber vulcanization accelerator is an indispensable basic raw material for the rubber industry. The accelerator industry is an important part of the rubber industry. With the vigorous development of the rubber industry, the accelerator industry also expands rapidly with the rubber industry. The refractory saline wastewater has brought about increasingly prominent environmental problems. The problem of wastewater treatment has become a major problem restricting the sustainable development of the rubber accelerator industry. [0003] Due to the high salt content of the mother liquor of rubber vulcanization accelerator, the saline wastewater is difficult to degrade the pollutants, and the salinity in the water has also been used as an indicator of discharge restriction...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F3/342C02F1/001C02F1/78C02F1/444C02F1/04C02F2301/08C02F1/66C02F1/722C02F2305/026C02F1/20C02F1/56C02F2101/30Y02A20/131
Inventor 杨云军
Owner QILU UNIV OF TECH