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Microbial biofilm culturing carrier and preparation method thereof, and microbial biofilm culturing device

A membrane-hanging carrier and microbial technology, applied in the field of soil pollution remediation, can solve the problems of accelerating the soil domestication and cultivation process, and achieve the effects of maintaining hydrophilic permeability, promoting growth of membrane, strong mechanical strength and hydrophilic permeability

Active Publication Date: 2020-02-14
NORTHWEST A & F UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In view of the above-mentioned shortcomings existing in the existing soil organic pollution microbial remediation process, the present invention proposes a microbial film-hanging device. The carrier can provide suitable air and water in the soil environment, accelerate the soil domestication and cultivation process, and promote the formation of microbial films by bacteria. Improve the degradation efficiency of organic pollutants, and the repair effect is remarkable

Method used

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  • Microbial biofilm culturing carrier and preparation method thereof, and microbial biofilm culturing device
  • Microbial biofilm culturing carrier and preparation method thereof, and microbial biofilm culturing device
  • Microbial biofilm culturing carrier and preparation method thereof, and microbial biofilm culturing device

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Embodiment Construction

[0052] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the application according to the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. . In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

[0053] The preparation method embodiment of microorganism hanging membrane carrier

[0054] A preparation method for a microbiological membrane-hanging carrier, comprising the steps of:

[0055] In the melting step, the polyester fiber and the polypropylene fiber are melted and mixed under the protection of a nitrogen environment according to a mass ratio of 13...

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Abstract

The invention provides a microbial biofilm culturing carrier and a preparation method thereof, and a microbial biofilm culturing device. The preparation method comprises the following steps: melting polyester fibers and polypropylene fibers according to a mass ratio of 10: 1 to 20: 1 under the protection of a nitrogen environment; subjecting the obtained molten liquid to wire drawing according toa diameter of d1 and a diameter of d2 respectively; cooling obtained filaments in supersaturated CO2 water for 2 min to 5 min; cutting cooled thick filaments to a first length, and cutting cooled thinfilaments into flagellar fibers with a second length; uniformly placing a plurality of flagellar fibers on one thick filament with the first length, and stacking another thick filament on the thick filament and the flagellar fibers; and screwing the two thick filaments to a compact state. The microbial biofilm culturing carrier is prepared by using the above method. The microbial biofilm culturing device comprises the microbial biofilm culturing carrier. According to the invention, the microbial biofilm culturing device can provide sufficient oxygen and moisture for biofilm formation and growth of pollutant degrading bacteria in a soil environment; and meanwhile, the biofilm formation speed of the pollutant degrading bacteria is high, and the biofilm formation thickness is large.

Description

technical field [0001] The invention belongs to the technical field of soil pollution remediation, and in particular relates to a microbial film-hanging carrier suitable for soil pollution remediation, a preparation method thereof, and a microbial film-hanging device. Background technique [0002] Soil is an important resource for human survival and an indispensable part of the ecological environment. At present, human activities are constantly discharging a large amount of pollutants into the soil environment, such as the application of chemical fertilizers and pesticides, the recharge of industrial sewage, and the leakage and dumping of petroleum products. Generally speaking, the soil environment can decompose the organic pollutants in it through physical, chemical, biological and other functions to achieve self-purification. However, when the concentration of these organic pollutants is too high and the composition is complex, it will exceed the self-purification capacit...

Claims

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Application Information

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IPC IPC(8): B09C1/10
CPCB09C1/10B09C2101/00
Inventor 方临川陈寒松崔勇兴
Owner NORTHWEST A & F UNIV
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