Mobile type modular unit for emergency treatment of organic pollutants containing underground water

A technology for emergency treatment and organic pollution, applied in the field of water pollution remediation, to achieve the effect of small footprint, enhanced emergency treatment capacity, and high degree of modularity

Active Publication Date: 2017-08-18
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a modular device for mobile emergency treatment of organically polluted groundwater, which can overcome the lack of research and development of groundwater

Method used

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  • Mobile type modular unit for emergency treatment of organic pollutants containing underground water
  • Mobile type modular unit for emergency treatment of organic pollutants containing underground water
  • Mobile type modular unit for emergency treatment of organic pollutants containing underground water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0068] The modular device for mobile emergency treatment of organically polluted groundwater was verified on-site at the original site of a pesticide factory.

[0069] The groundwater quality of the site is alkaline (8.26 ~C 9 、C 10 ~C 14 、C 15 ~C 28 and C 29 ~C 36 Four categories, characteristic organic compounds include 1,2-dichloroethane, benzene, 2-methylnaphthalene, toluene, naphthalene, 1,1,2-trichloroethane, phenol, aniline and dimethyl phthalate, etc. , the average concentration of which is Figure 4 shown.

[0070] Use the extraction technology to extract the polluted groundwater from the site to the modular device of the present invention, and adjust the water inlet flow rate of the equipment to 1m 3 / h, the effluent treated by the equipment is discharged into the municipal pipe network.

[0071] Take respectively 11 kinds of processes that have set automatic procedures in the modularized device of the present invention as examples, that is, water inflow-pre...

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Abstract

A mobile type modular unit for emergency treatment of organic pollutants containing underground water comprises a coagulating sedimentation unit system, a coagulating air flotation unit system, a middle adjustment system, an aeration stripping unit system, a chemical oxidation unit system, a chemical preparation and feeding system, a control system and a container loading system and is characterized in that different proper physical and chemical combination processes in a module can be flexibly selected through regulation of the control system according to the water quality and the type of organic pollutants in different kinds of underground water, so that polluted underground water pumped out of the ground can be subjected to emergency treatment, and the unit systems as well as related communication pipelines and equipment are all mounted in a mobile type container loading system. The modular unit can be moved flexibly, is high in adaptability, easy to operate and high in automation degree, can be rapidly dispatched in areas where underground water is encountered with organic pollution suddenly and can also be used for treatment of surface water in an accident site and industrial waste water, and the underground water pollution emergency treatment capacity of the chemical industry is improved.

Description

technical field [0001] The invention belongs to the technical field of water pollution restoration, in particular to a mobile modular device for emergency treatment of organically polluted groundwater. Background technique [0002] my country's long-term economic development has induced a large number of polluted sites. Human activities such as traditional oil exploitation, chemical sewage discharge, chemical fertilizer and pesticide pollution, and landfills have caused the groundwater of polluted sites to present obvious characteristics of organic compound pollution. [0003] In recent years, accidents such as explosions and leakages in chemical industry parks have occurred frequently, and pollutants mainly composed of organic matter have entered the aquifer system through the vadose zone. These organic pollutants, such as benzene series, nitrobenzene, and aniline, have been included in my country's blacklist of priority pollutants, which have the "three causes" effects of ...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/06
CPCC02F1/20C02F1/24C02F1/5281C02F1/72C02F9/00C02F2103/06C02F2209/06C02F2301/08
Inventor 李广贺盛益之张旭张丹
Owner TSINGHUA UNIV
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