Microbial fuel cell and application thereof in degradation of polybrominated diphenyl ethers

Abstract

The invention discloses a microbial fuel cell and application thereof in degradation of polybrominated diphenyl ethers. The microbial fuel cell comprises an anode chamber, a cathode chamber, an anode electrode, a cathode electrode, a proton permeation film and an external circuit, wherein an electrochemical active microorganism is in the anode chamber; the anode chamber is also filled with a culture solution, a carbon source and electron donors of the microorganism; cathode reaction liquid is filled in the cathode chamber; bromide flame retardant polluted water body sediment is inoculated in the anode chamber to serve as the electrochemical active microorganism; and polybrominated diphenyl ethers or polybrominated-diphenyl-ethers-containing pollutants are also in the anode chamber. In themicrobial fuel cell, under the action of the microorganism in the bromide flame retardant polluted water body sediment, the polybrominated diphenyl ethers in the cathode solution are degraded into low bromination biphenyl ethers even bromine-free diphenyl ethers, and simultaneously electrical energy is output, so that good effects of environmental pollution treatment and recycling are achieved. The microbial fuel cell can operate steadily in a long time, and has a very good application prospect in the degradation of polybrominated diphenyl ether materials in various types of waste water and polluted water bodies.

Description

Technical field: [0001] The invention relates to a microbial fuel cell and its application in degrading polybrominated diphenyl ethers. Background technique: [0002] Microbial fuel cell (MFC) has been rapidly developed and widely used in the research of environmental pollution control and energy conversion in recent years. This technology can directly convert the chemical energy of organic pollutants into electrical energy through the action of microorganisms. MFC has been applied to the degradation research of a variety of difficult-to-treat environmental pollutants, and has shown good application prospects, including a variety of industrial and domestic wastewater, landfill leachate, aromatic compounds, and trichlorethylene. [0003] With the widespread use of brominated flame retardants in the industries of electronics, furniture, coatings and textiles, the environmental problems brought about by them have also attracted more and more attention. Studies have shown that...

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Problems solved by technology

[0004] At present, more and more studies have begun to focus on the degradation of PBDEs, but there is a lack of simple and efficient methods to degrade PBDEs

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