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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  • Abstract
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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 de

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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

Examples

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[0017] Reference attached figure 1 , This implementation deals with the treatment of phenol in the car wash wastewater of a car wash shop. The specific steps are as follows:

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

[0019] Where: is the chemical structural formula of phenol, Is the chemical structural formula of oxalic acid

[0020] The temperature of car wash wastewater is 10~40℃, pH> Under the conditions of 11, phenol is oxidized by ozone into water and CO which can be emitted 2 , To eliminate environmental pollution caused by phenol and oxalic acid;

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

[0022]

[0023] Where: C 6 H 5 OH—phenol chemical formula

[0024] Determine that the quality of ozone consumed per gram of phenol reaction is 2.4g, and adjust the wastewater solution to 10-40℃, pH> 11. Detect the concentration of phenol in the wastewater to be 100mg / L, and determine that the ozone mass required for the complete reaction of th...

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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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