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Method using ozone for treating phenol in car washing wastewater

A car wash wastewater and ozone treatment technology, applied in the field of transportation environment, can solve the problem of incomplete phenol treatment and achieve the effect of eliminating emission pollution

Inactive Publication Date: 2012-10-03
XIAN FEISIDA AUTOMATION ENG
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Problems solved by technology

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

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

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Embodiment Construction

[0017] Refer to attached figure 1 , this implementation is aimed at the treatment of phenol in the car wash wastewater of a certain car wash shop, the specific steps are as follows:

[0018] 1. According to the chemical reaction equation between phenol and ozone:

[0019] In the formula: is the chemical structural formula of phenol, The chemical structural formula for oxalic acid

[0020] Under the conditions of the temperature of car wash wastewater at 10-40°C and pH>11, phenol is oxidized by ozone into water and emittable CO 2 , Eliminate environmental pollution from phenol and intermediate products such as oxalic acid;

[0021] 2. According to the chemical reaction equation,

[0022]

[0023] In the formula: C 6 h 5 OH—phenol chemical formula

[0024] Determine the mass of ozone consumed per gram of phenol to complete the reaction is 2.4g, deploy the wastewater solution to 10-40°C, pH>11, detect the concentration of phenol in the wastewater is 100mg / L, and determ...

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Abstract

The invention relates to a method for treating phenol in car washing wastewater. Reaction conditions are achieved by means of detection of car washing wastewater temperatures, pH (potential of hydrogen) and phenol 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 phenol 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 phenol 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 redu...

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Application Information

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IPC IPC(8): C02F1/78C02F101/34
Inventor 史忠科刘鹏
Owner XIAN FEISIDA AUTOMATION ENG
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