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Aquatic plant-microorganism electrochemical repair system and application thereof, and method for treating water body with organic contamination

A technology of microbial electrochemistry and aquatic plants, applied in the field of treatment of organic polluted water, aquatic plants-microbial electrochemical remediation system, can solve the problems of small number of functional bacteria, low activity, and unstable community structure.

Active Publication Date: 2021-10-08
NANKAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the treatment of high-concentration factory polluted wastewater, the relative lack of electron acceptors will lead to a small number and low activity of functional bacteria, and the community structure is unstable, so that the ideal removal effect cannot be achieved.

Method used

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  • Aquatic plant-microorganism electrochemical repair system and application thereof, and method for treating water body with organic contamination
  • Aquatic plant-microorganism electrochemical repair system and application thereof, and method for treating water body with organic contamination
  • Aquatic plant-microorganism electrochemical repair system and application thereof, and method for treating water body with organic contamination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The main body of the repair system is: a cuboid acrylic box with a length, width, and height of 100cm, 100cm, and 60cm respectively, and the thickness of the acrylic box is 1cm;

[0061] according to figure 1 Structure shown:

[0062] Pour 500L of petroleum hydrocarbon polluted waste water (taken from the oil well drilled in Shandong Shengli Oilfield) into the tank, and the liquid level is 50cm;

[0063] Utilize the stainless steel net (mesh wire diameter is 2mm, aperture is 1mm) that length and width are 30cm, 500g coconut shell biochar (particle diameter is 2mm) is wrapped, and seal tightly with iron wire, obtain composite working electrode;

[0064] Fix and float a carbon felt with a length and width of 15 cm and a thickness of 30 mm on the surface of the water body; connect one end of a nylon rope 3 with a diameter of 10 mm to the carbon felt counter electrode 4, and the other end to the composite working electrode, and suspend it at a depth of 30 cm from the surf...

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Abstract

The invention relates to the technical field of sewage treatment, in particular to an aquatic plant-microorganism electrochemical repair system and application thereof, and a method for treating a water body with organic contamination. The aquatic plant-microorganism electrochemical repair system provided by the invention comprises a composite working electrode (9), a carbon felt counter electrode (4), an aquatic repair plant (5) and a constant potential rectifier (6), wherein the composite working electrode (9) is in telecommunication connection with the constant potential rectifier (6) through a first outer wire (71); the carbon felt counter electrode (4) is in telecommunication connection with the constant potential rectifier (6) through a second outer wire (72); and the composite working electrode (9) comprises biochar (2). The aquatic plant-microorganism electrochemical remediation system has a good treatment effect on the water body with organic contamination.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an aquatic plant-microbe electrochemical repair system and its application, and a method for treating organically polluted water. Background technique [0002] With the process of globalization and the accelerated pace of human life, more and more organic pollutants are discharged into water bodies, threatening the safety of water resources. The organic pollutants contained in agricultural, industrial and domestic wastewater are mainly polycyclic aromatic hydrocarbons, polychlorinated biphenyls, phenols, pesticides and antibiotics, etc. They are generally carcinogenic, teratogenic and biologically toxic, and seriously endanger the ecological environment and human health. Some sustainable organic compounds, such as polycyclic aromatic hydrocarbons and polychlorinated biphenyls, have the characteristics of stable chemical structure and strong biological toxicity, and are d...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F3/00C02F3/34C02F101/30C02F101/32
CPCC02F3/32C02F3/005C02F3/34C02F2101/30C02F2305/06C02F2003/003C02F2103/007C02F2203/006C02F2209/20C02F2101/32C02F1/46114C02F1/46109C02F2201/46135C02F2001/46133C02F2303/10C02F2203/008C02F2103/365C02F2101/327C02F2101/345C02F2101/363C02F2101/305C02F3/327C02F3/348C02F2001/46171Y02W10/30Y02W10/10
Inventor 周启星张晓林李田李瑞祥
Owner NANKAI UNIV
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