Device and method for degrading landfill leachate based on microbial fuel cell-Fenton system
A landfill leachate and fuel cell technology, which is applied in the field of refractory pollutant treatment, can solve the problems of difficult landfill leachate treatment, low treatment technology efficiency, and low treatment efficiency, so as to promote sustainable economic development and alleviate water shortages , no secondary pollution effect
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Embodiment 1
[0023] Such as Figure 1-2 As shown, the degradation device for landfill leachate based on the microbial fuel cell-Fenton system according to a preferred embodiment of the present invention includes: a fuel cell housing 1, an anode electrode 2, two groups of first cathode electrodes 3, 4 and a group A second cathode electrode 5 , microbial fuel cells (MFCs), a first external circuit, a second external circuit, a first resistance box 6 and a second resistance box 7 . The fuel cell casing 1 is provided with a left chamber 11 and a right chamber 12, the left chamber 11 and the right chamber 12 are separated by a proton exchange membrane 13, the left chamber 11 is a closed chamber, The right chamber 12 is an open chamber. The left chamber 11 is the anode chamber of the electric Fenton system, the right chamber 12 is the cathode chamber of the electric Fenton system, and the left chamber 11 is provided with a microbial fuel cell, through the action of microorganisms 14 to generate...
Embodiment 2
[0025] In a preferred embodiment, the left chamber 11 and the right chamber 12 are symmetrically equal, and the dimensions of the left chamber 11 and the right chamber 12 are both 8cm×6cm×5cm. The electrode materials of the anode electrode 2 and the first two groups of cathode electrodes 3 and 4 are 4-5 pieces of carbon felt with a thickness of 2 mm and a size of 4.5 cm×5.0 cm. The electrode material of the second cathode electrode 5 is an iron sheet with a thickness of 2 mm and a size of 3 cm×4 cm. The anode electrode 2 is connected to the first group of cathode electrodes 3 through wires, and the second cathode electrode 5 is connected to the second group of first cathode electrodes 4 through wires.
[0026] In a preferred embodiment, the anode chamber is provided with a movable cover plate, and the fuel cell casing is made of plexiglass, and is fixed and sealed with silica gel pads and screws.
[0027] In a preferred embodiment, the landfill leachate degradation device bas...
Embodiment 3
[0044] The present invention also provides a method for degrading landfill leachate based on a microbial fuel cell-Fenton system, comprising the steps of: constructing an anode chamber and a cathode chamber of an electric Fenton system, and the anode chamber and the cathode chamber are separated by a proton exchange membrane set up microbial fuel cells and anode electrodes in the anode chamber of the electric Fenton system; set two sets of carbon felt electrodes and a set of iron sheet electrodes in the cathode chamber of the electric Fenton system, and pass a set of carbon felt electrodes and anode electrodes through The first external circuit is connected, and another group of carbon felt electrodes and iron sheet electrodes are connected through the second external circuit; the electrogenic bacteria gather on the anode electrode, and the electrons generated by the electrogenic bacteria in the process of degrading organic matter pass through the first external circuit. The ci...
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