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Detergent production line washing wastewater treatment technology

A wastewater treatment and detergent technology, which is applied in the direction of detergent composition, detergent compounding agent, surface active detergent composition, etc., can solve the problem of no treatment process, etc., and achieve the effect of saving treatment time and cost

Inactive Publication Date: 2019-11-05
山东丽波日化股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the line-cleaning wastewater of the above-mentioned detergent reactor is used instead of tap water or process water used in the production process of liquid sodium silicate, it can save the medicament and microorganisms used in the treatment of line-clearing wastewater, and can also obtain liquid sodium silicate products, but The prior art does not have a treatment process in this respect

Method used

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  • Detergent production line washing wastewater treatment technology
  • Detergent production line washing wastewater treatment technology
  • Detergent production line washing wastewater treatment technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of detergent production line clearing waste water treatment process, comprises the following steps:

[0020] (1) Waste water collection: rinse the equipment used in detergent production with clean water, and collect the waste water after washing from each production equipment;

[0021] (2) Feeding: the waste water collected in step (1), the modulus of which is 3.1 solid sodium silicate and the mass concentration of 35% sodium hydroxide solution are mixed according to the ratio of mass ratio 43:41:16, and are respectively dropped into rotatable horizontal In the type reactor, start the reactor, and the material is stirred and mixed to obtain a reaction solution;

[0022] (3) steaming, pressure control: into the reaction solution of step (2) into the steam of 0.4Mpa, steaming 2h, the pressure in the reactor reaches 0.28Mpa, stop steaming when the initial reaction temperature is 120 ℃, after After 3 hours of reaction, the pressure of the reactor rose to 0.7Mpa, and...

Embodiment 2

[0030] A kind of detergent production line clearing waste water treatment process, comprises the following steps:

[0031] (1) Waste water collection: rinse the equipment used in detergent production with clean water, and collect the waste water after washing from each production equipment;

[0032] (2) Feeding: the wastewater collected in step (1), the modulus of which is 3.4 solid sodium silicate, and the mass concentration of 30% sodium hydroxide solution are mixed according to the ratio of mass ratio 55.4:32.9:11.7, and are respectively dropped into rotatable horizontal In the type reactor, start the reactor, and the material is stirred and mixed to obtain a reaction solution;

[0033] (3) steaming, pressure control: into the reaction solution of step (2) into the steam of 0.6Mpa, steaming 1.2h, the pressure in the reactor reaches 0.35Mpa, stop steaming when the initial reaction temperature is 140 ℃, After 2 hours of reaction, the pressure of the reactor rose to 0.8Mpa, t...

Embodiment 3

[0041] A kind of detergent production line clearing waste water treatment process, comprises the following steps:

[0042] (1) Waste water collection: rinse the equipment used in detergent production with clean water, and collect the waste water after washing from each production equipment;

[0043] (2) Feeding: the waste water collected in step (1), the modulus of which is 3.3 solid sodium silicate and the mass concentration of 32% sodium hydroxide solution are mixed according to the ratio of mass ratio 49.4:37.3:13.3, and are respectively dropped into rotatable horizontal In the type reactor, start the reactor, and the material is stirred and mixed to obtain a reaction solution;

[0044](3) steaming, pressure control: into the reaction solution of step (2) into the steam of 0.5Mpa, steaming 1.5h, the pressure in the reactor reaches 0.35Mpa, stop steaming when the initial reaction temperature is 135°C, After 2 hours of reaction, the pressure of the reactor rose to 0.75Mpa, t...

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Abstract

The invention relates to the technical field of wastewater treatment, and concretely relates to a detergent production line washing wastewater treatment technology. The technology comprises the following steps: (1) wastewater collection; (2) feeding; (3) vapor introduction and pressure control; and (4) discharging. The treatment technology of the invention realizes the treatment of wastewater, reduces the wastes of surfactants and builders in the line washing wastewater, and saves the treatment time and the treatment cost.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a process for treating detergent production line cleaning wastewater. Background technique [0002] During the production of detergents such as laundry detergent, dishwashing liquid, and washing powder, it is often necessary to clear the line when switching production of products of different varieties and different contents. In production, the line cleaning generally uses clean water to flush the reactor, so that the residual detergent in the reactor is dissolved in the line cleaning water, and then the waste water brought by the line cleaning is discharged into the sewage tank for treatment. The main components of washing powder are surfactants, soda ash, builders and other substances. The main components of liquid detergents such as laundry detergent and detergent are surfactants. These substances exist in the cleaning wastewater of detergent reactors. It must be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/83C11D3/08C11D3/10C11D3/12C11D3/42C11D3/37C11D3/04C11D3/386C11D3/60
CPCC11D1/008C11D1/22C11D1/72C11D1/83C11D3/046C11D3/08C11D3/10C11D3/128C11D3/3765C11D3/38618C11D3/42
Inventor 丁建华张旭夏庆勋王利民潘新明
Owner 山东丽波日化股份有限公司
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