Method for remediating contaminated soil and underground water through in-situ aeration

A technology for polluted soil and groundwater, applied in the field of in-situ aeration remediation of polluted soil and groundwater, to achieve the effects of wide treatment range, good strength and ductility, and low cost

Inactive Publication Date: 2020-07-17
NANJING WONDUX ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Improve microbial remediation efficiency

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for remediating contaminated soil and underground water through in-situ aeration
  • Method for remediating contaminated soil and underground water through in-situ aeration
  • Method for remediating contaminated soil and underground water through in-situ aeration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] An in-situ aeration device for repairing polluted soil and groundwater, comprising an in-situ injection system and an in-situ aeration system; the in-situ injection system includes a drug injection pipeline, a chemical box, and a pressure pump; the drug injection pipeline is inserted into a contaminated Soil or underground water; the injection pipeline communicates with the medicine box; the pressure pump is arranged on the medicine injection pipeline to pump the medicine from the medicine box into the polluted soil and groundwater; the in-situ aeration system includes plastic drainage plate, air compressor, gas injection pipeline; the air compressor is connected with a plurality of plastic drainage plates through the gas injection pipeline.

[0028] First, determine the scope and depth of site pollution, and understand the distribution of soil layers ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a method for remediating contaminated soil and underground water through in-situ aeration. The method comprises the following steps: determining a contaminated site, surveyingand setting out, arranging a chemical injection well, arranging an aeration drainage plate, injecting chemicals, aerating and remediating. According to the method for repairing polluted soil and underground water through in-situ aeration, a traditional aeration well is replaced with the plastic drainage plate, the plastic drainage plate has good strength and ductility, circulation of air in a claylayer or a silty soil layer can be improved, the method is suitable for soil layers with different properties, and the treatment range is wider. Aerobic microorganisms are used for degrading pollutants in soil and underground water, oxygen is provided for the microorganisms through aeration, the degradation rate of the microorganisms is increased, and the remediation effect is improved. By adopting the remediation technology, damage to the original soil structure is avoided, secondary pollution is avoided, and the cost is low.

Description

technical field [0001] The invention relates to polluted soil and groundwater, in particular to a method for in-situ aeration to restore polluted soil and groundwater. Background technique [0002] With the acceleration of urbanization, chemical plants, pesticide plants, petroleum companies and other industrial enterprises have relocated or stopped production or closed down, leaving behind a large number of various and complex polluted sites, which have brought great environmental and health risks. It hinders urban construction and local economic development. [0003] At present, the commonly used restoration techniques include chemical oxidation and thermal desorption restoration techniques. Thermal desorption technology consumes a lot of energy and is expensive to process. The amount of chemical oxidizing agent added is large, and the residue of the agent is easy to cause secondary pollution. In addition, due to the strong cohesive force of clay and silt, the oxidation e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/10B09C1/08
CPCB09C1/002B09C1/08B09C1/10
Inventor 刘军赵坤潘运舟宫建瑞蔡琳琳戴昕
Owner NANJING WONDUX ENVIRONMENTAL PROTECTION TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap