Method and experimental device for repairing petroleum hydrocarbon pollution of heterogeneous aquifer

An experimental device and a heterogeneous technology, which can be used in the restoration of water pollutants and polluted soil, chemical instruments and methods, etc. The effect of improving efficiency

Active Publication Date: 2020-08-28
北京泷涛环境修复有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these two methods are harmful to the aquifer, which is not conducive to the reuse of groundwater resources after restoration, and the compatibility with other chemicals needs to be considered, and the cost is high and the operation technology is high.

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  • Method and experimental device for repairing petroleum hydrocarbon pollution of heterogeneous aquifer
  • Method and experimental device for repairing petroleum hydrocarbon pollution of heterogeneous aquifer
  • Method and experimental device for repairing petroleum hydrocarbon pollution of heterogeneous aquifer

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Embodiment Construction

[0028] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0030] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0031] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a method and an experimental device for repairing petroleum hydrocarbon pollution of a heterogeneous aquifer. The method comprises the following steps: preparing a microbial flora, wherein the metabolite of the microbial flora comprises exopolysaccharide and a biosurfactant; injecting the microbial flora into a petroleum hydrocarbon polluted heterogeneous aquifer; and performing in-situ culture of microbial flow. In one embodiment of the invention, the sweep range of the repairing agent can be effectively improved through microbial flora in-situ culture so that the efficiency of repairing petroleum hydrocarbon pollution of the heterogeneous aquifer is improved.

Description

technical field [0001] The invention relates to the technical field of remediating pollution of aquifers, and more specifically, to a method and an experimental device for remediating petroleum hydrocarbon pollution of heterogeneous aquifers. Background technique [0002] The rupture of oil pipelines and the leakage of oil storage tanks at gas stations will cause a large amount of petroleum hydrocarbon pollutants to enter the underground aquifer, which exists alone in the oil phase because it is insoluble in water. Petroleum hydrocarbon pollutants accumulate in aquifers and are difficult to remove through natural attenuation, thus becoming a long-term pollution source and seriously threatening human health and the ecological environment. [0003] The structure of the natural underground aquifer is complex, showing a certain spatial structure and variability. The aquifer may partially contain low-permeability clay and high-permeability coarse sand and gravel layers, which mak...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/10B09C1/00C02F3/34C02F101/32
CPCB09C1/10B09C1/002C02F3/34B09C2101/00C02F2101/32
Inventor 李来庆王雪郑明霞牟永明陶盈冰
Owner 北京泷涛环境修复有限公司
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