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Method using ozone for treating naphthalene in car washing wastewater

A technology for car washing waste water and ozone treatment, applied in the field of traffic environment, can solve problems such as incomplete naphthalene treatment, and achieve the effect of eliminating emission pollution

Inactive Publication Date: 2012-10-03
XIAN FEISIDA AUTOMATION ENG
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the incomplete treatment of naphthalene in carwash water by existing methods, the present invention proposes a method for treating naphthalene in carwash wastewater by ozone oxidation. Naphthalene decomposition reaction conditions; according to the decomposition reaction formula, determine the speed of the car wash wastewater into the mixer, so that under the premise of complete treatment of naphthalene in the car wash water, the consumption of ozone is small, so as to achieve the purpose of purifying the car wash wastewater with low consumption

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  • Method using ozone for treating naphthalene in car washing wastewater
  • Method using ozone for treating naphthalene in car washing wastewater
  • Method using ozone for treating naphthalene in car washing wastewater

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Embodiment Construction

[0018] Refer to attached figure 1 , this implementation is aimed at treating the naphthalene in the car wash wastewater of a certain car wash shop, and the specific steps are as follows:

[0019] 1. According to the chemical reaction equation of naphthalene and ozone:

[0020]

[0021] In the formula: is the chemical structural formula of naphthalene, The chemical structure of 1,4-naphthoquinone

[0022] Under the conditions of the temperature of car wash wastewater at 10-40°C and pH>11, naphthalene is oxidized by ozone into water and emittable CO 2 , Eliminate environmental pollution from naphthalene and intermediate product 1,4-naphthoquinone;

[0023] 2. According to the chemical reaction equation,

[0024]

[0025] In the formula: The chemical formula for naphthalene

[0026] Determine that the mass of ozone consumed per gram of naphthalene is 3g, adjust the wastewater solution to 10-40°C, pH > 11, detect the concentration of naphthalene in the wastewater i...

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Abstract

The invention relates to a method for treating naphthalene in car washing wastewater. Reaction conditions are achieved by means of detection of car washing wastewater temperatures, pH (potential of hydrogen) and naphthalene concentration and adjustment of the car washing wastewater temperatures and the pH, and flow rate of the car washing wastewater entering a mixer is determined to enable low ozone consumption on the premise of complete treatment of the naphthalene in the car washing wastewater, so that low-consumption purification of the car washing wastewater is achieved.

Description

technical field [0001] The invention relates to a method for treating naphthalene in carwash wastewater, belonging to the technical field of traffic environment. Background technique [0002] With the improvement of people's living standards and the development of the economy, the number of cars owned by all walks of life and families is increasing, which has also brought about the prosperity of the car wash industry. Random discharge causes sewage to flow across. Car wash wastewater contains a large amount of pollutants such as oil, organic matter, and anionic synthetic detergents. If it is discharged directly without treatment, it will inevitably pollute the water body. Especially for large transportation vehicles, most of which travel long distances, the vehicles are contaminated with coal tar or fuel oil, and the pollutants cause great harm to the environmental water quality. It can be seen that the treatment and reuse of car washing wastewater is an inevitable trend to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/78C02F1/58C02F101/32C02F103/44
Inventor 史忠科刘鹏
Owner XIAN FEISIDA AUTOMATION ENG