345results about "Biochemical fuel cells" patented technology

The invention belongs to the technical field of fuel cell electrode material preparation, and particularly relates to a carbon electrode material for a polypyrrole modified bio-based fuel cell and a preparation method of the carbon electrode material. Comprising the following steps: modifying rice hull low-temperature carbonized powder by sequentially adopting POSS (Polyhedral Oligomeric Silsesquioxane) containing unipolar functional groups and POSS containing polypolar functional groups to obtain modified low-temperature carbonized powder; and carrying out in-situ polymerization on a pyrrole monomer on the surface of the modified low-temperature carbonized powder, and carrying out high-temperature carbonization and hydrofluoric acid corrosion to obtain the polypyrrole modified bio-based fuel cell carbon electrode material. The polypolar functional group POSS not only is beneficial to the in-situ polymerization reaction of pyrrole, but also can form a continuous macromolecular chain, and a net structure is formed on the surface of the whole material. The effect of the unipolar functional group POSS is to improve the stability of the low-temperature carbonized powder in the high-temperature carbonization process, and more importantly, the unipolar functional group POSS is to provide a channel for subsequent hydrofluoric acid corrosion, etch away non-conductive substances and improve the conductivity and specific surface area of the carbon electrode material.

Disclosed in the present invention are a biomass-derived graded porous asymmetric coordination monatomic carbon-based electrocatalyst, and a preparation method therefor and the use thereof. The preparation method for the biomass-derived graded porous asymmetric coordination monatomic carbon-based electrocatalyst comprises the following steps: (1) stirring and mixing de-alkalized lignin with a transition metal salt, a nitrogen-containing compound and a template, i.e., magnesium oxide, in a solvent until uniform, so as to obtain a suspension, wherein the transition metal comprises iron and zinc; (2) heating, evaporating and drying off the suspension, so as to obtain a lignin / metal ion / nitrogen-containing compound / template mixed precursor; and (3) subjecting the mixed precursor to high-temperature pyrolysis under the protection of an inert gas, cooling same, and then sequentially washing and drying same, so as to obtain a monatomic carbon-based electrocatalyst. The monatomic carbon-based electrocatalyst provided in the present invention has graded pores of micropores, mesopores and macropores, a surface nanosheet and an asymmetric coordination structure of Fe-N3O at the same time, and can be applied to fuel cells and metal-air cells.

The invention discloses a microbial fuel cell coupling system for industrial wastewater treatment and energy regeneration, and the system comprises a wastewater treatment and energy conversion module which is used for introducing industrial wastewater into a microbial fuel cell, realizing efficient decomposition of organic matters under the metabolism effect of microbiota in an anode chamber, generating purified water reaching the standard, and recovering clean energy; the intelligent parameter control module is used for dynamically adjusting operation parameters of each unit through an MLP model; and the dynamic monitoring feedback module carries a high-precision sensor array and an internet-of-things transmission device, acquires parameters in the fuel cell in real time, provides a predictive regulation and control strategy for the system by applying an MLP model, and forms closed-loop optimization through an energy-material-information three-flow coupling mechanism. Through cooperative work of all the modules, efficient and stable operation of the system is achieved, the prospect in the field of industrial wastewater treatment is wide, the resource utilization efficiency can be remarkably improved, and the cost is reduced.

The invention belongs to the technical field of microbial fuel cells, and particularly relates to a microbial fuel cell, a carbon-based anode and a preparation method of the carbon-based anode. Preparing a polyaniline / dopamine modifier from an aniline monomer and dopamine hydrochloride, and modifying the polyaniline / dopamine modifier on a carbon felt electrode to form a PANI-DA / CF anode; the preparation method comprises the following steps: preparing flower-like Fe2O3 nanoparticles by adopting a hydrothermal method, and electrochemically depositing the flower-like Fe2O3 nanoparticles on a PANI-DA / CF electrode to prepare a Fe2O3 / PANI-DA / CF anode; according to the microbial fuel cell disclosed by the invention, the maximum power density of the phenol wastewater anolyte reaches 4594 + / -97 mW / m < 2 > and is improved by 83.1% compared with that of a carbon felt anode MFC (Microbial Fuel Cell); after operation for 96 hours, the phenol degradation rate reaches 99.4%; and the electricity generation performance is still kept stable after three months of operation. The Fe2O3 / PANI-DA / CF anode provided by the invention improves the power density output of the microbial fuel cell and the wastewater treatment efficiency.

The invention belongs to the technical field of new energy materials and bioelectrochemistry, and particularly relates to an iron-based multi-metal sulfide composite carbon anode material and a preparation method of the iron-based multi-metal sulfide composite carbon anode material. The preparation method is simple in process flow, convenient to operate, easy for large-scale production, wide in raw material source, low in cost and environment-friendly, and can be used for preparing the three-dimensional porous carbon matrix which is formed by foaming and carbonizing polyvinylpyrrolidone and is provided with interconnected carbon nanosheets. Through reasonable composition design and structural regulation, and optimization of metal ratio and vulcanization conditions, accurate regulation of material performance can be realized, electrochemical performance and biocompatibility are significantly improved, electricity generation performance and operation stability of a microbial fuel cell are improved, and good industrial application prospects are achieved.

The invention discloses a nitrogen / boron-doped non-noble metal-based material, a synthesis method thereof and application of the nitrogen / boron-doped non-noble metal-based material in a microbial fuel cell. According to the method, a carbon fiber brush is used as a substrate, urea and sodium borohydride are used as a nitrogen source and a carbon source respectively, and the nitrogen / boron doped non-noble metal-based material is synthesized through a hydrothermal method. The electrostatic interaction between graphene oxide and FeCoNi-LDH is utilized to realize tight combination, so that FeCoNi-LDH nanosheets are uniformly dispersed on the surface of the carbon fiber brush, and the problems that LDHs are easy to agglomerate and poor in conductivity are solved; in the boron / nitrogen co-doping process, an efficient electron transmission channel is constructed by adjusting the electronic structure of the composite material, and the material is endowed with excellent electron transmission capability and oxygen reduction performance. In an MFC (Microbial Fuel Cell) test constructed by taking a nitrogen / boron-doped non-noble metal-based material as a cathode, the output voltage and the maximum power density are several times of those of commercial Pt / C and a blank carbon fiber brush, and the carbon fiber brush has a wide application prospect in the field of microbial fuel cells.

The utility model discloses a garbage biogas gasification treatment device capable of generating electricity, which relates to the technical field of garbage treatment equipment and comprises a reaction chamber, two conductive parts and a resistor or an energy storage element, a low-oxygen or oxygen-free environment can be kept in the reaction chamber, and a liquid inlet, a liquid outlet, a gas outlet and two fixing ports are arranged on the reaction chamber; the two conductive parts respectively extend into the reaction chamber through the two fixing ports to form two electrodes; the resistor or the energy storage element is arranged outside the reaction chamber; the resistor or the energy storage element is electrically connected with the two conductive pieces and enables the two electrodes to respectively form an anode and a cathode. According to the device, a microbial fuel cell and an anaerobic fermentation process are integrated in one set of device, so that the microbial fuel cell and the anaerobic fermentation process are highly and effectively integrated, the removal rate of organic matters in garbage is high, the occupied space is small, the proportion of CH4 in biogas is high, and electric energy is generated.

The invention discloses a high-sensitivity oxygen-resistant anode MFC (Microbial Fuel Cell) sensor for biotoxicity detection and a preparation method thereof. The sensor comprises a positive electrode, a negative electrode, a positive electrode chamber, a negative electrode chamber, a diaphragm, a current loop and a data acquisition system, a double-layer biological membrane is formed on the positive electrode through aerobic domestication, the outer layer is an aerobic bacteria layer, and the inner layer is an anaerobic electroactive bacteria layer. The aerobic bacteria on the outer layer consume dissolved oxygen and provide a stable environment for the anaerobic bacteria on the inner layer, so that the oxygen resistance and the operation stability of the sensor are remarkably improved. When the toxicity of a to-be-detected sample is detected, the biotoxicity of the sample is represented through the electrogenesis inhibition rate of the sensor. Experiments show that the response sensitivity of the sensor to toxic substances (such as Cu (II)) is obviously higher than that of a traditional anaerobic MFC sensor, and the sensor shows excellent anti-interference capability under different dissolved oxygen conditions. The method is suitable for rapid detection of biotoxicity of water and environmental samples, and has the characteristics of high sensitivity, strong oxidation interference resistance and good stability.

The invention belongs to the technical field of biological fuel cells, and particularly relates to an enzyme biological fuel cell system for detecting sugarcane pokkah boeng disease through three signals as well as a preparation method and application of the enzyme biological fuel cell system. The enzyme biological fuel cell system comprises an enzyme biological fuel cell and a photothermal conversion solution TiO2 (at) Au, the enzyme biological fuel cell comprises a biological anode, a biological cathode and an electrolyte, the biological anode is MWNT (at) ZIF-8 / AuNPs / GOD, and the biological cathode is an MWNT (at) ZIF-8 / AuNPs / DNA chain. According to the invention, false positive signals of detection results can be effectively calibrated; through combined use of three detection modes, high sensitivity, selectivity and real-time monitoring capability can be realized, and the method can be used for accurate detection of the sugarcane pokkah boeng rot.

The invention discloses a method for enhanced removal of VOCs (volatile organic compounds) and synchronous power generation by a biological filter bed coupled microbial fuel cell system. According to the method, VOCs are introduced into a cathode chamber of a microbial fuel cell and then upwards penetrate through a filler layer of a fungus-bacterium coupled biological filter bed, in the stage, hydrophobic VOCs are adsorbed by fungal hyphae and then are aerobically degraded by bacteria to generate metabolic intermediates, hydrophilic VOCs can be directly degraded by aerobic bacteria, the purified VOCs are discharged from the top, and the purified VOCs are discharged from the bottom of the microbial fuel cell. Hydrophilic VOCs and metabolic intermediates which are not degraded in time can enter an anode chamber of the microbial fuel cell along with the nutrient solution, and the hydrophilic VOCs and the metabolic intermediates are further degraded as power generation substrates and generate electrons (e <->). According to the invention, the fungus-bacteria mixed biological filter bed is coupled with the microbial fuel cell system for treatment, so that enhanced removal is realized, and high-efficiency power generation is also realized.

The application discloses a preparation method and application of a photo-fuel cell (PFC) based on degradation of bisphenol A and reduction of carbon dioxide, wherein the photo-fuel cell comprises a photo-anode and a biological cathode, the photo-anode is a TiO2@CdS / ITO electrode, and the biological cathode is an FDH / DA / PANi / CC electrode.The photo-fuel cell can not only effectively degrade BPA, but also has a degradation rate of 100%; the constructed FDH / DA / PANi / CC biological cathode can efficiently reduce CO2 into formic acid, and the yield is 3.7μmol·h ‑1 -1 . Compared with other photo-fuel cells, the degradation rate of BPA and the yield of formic acid are obviously improved; in addition, the constructed photo-fuel cell can also effectively generate electricity, and the maximum current density and power density are 271μA cm ‑2 -2 and 67.2μW cm ‑2 -2 respectively.

This invention discloses a CO2 direct air capture system and method for increasing CO2 partial pressure. The system includes a first air pump, a second air pump, a microbial fuel cell device, a CO2 capture device, a rich liquid desorption unit, and a CO2 storage unit. The microbial fuel cell device includes a reactor housing, a proton exchange membrane, wires, and external circuitry. The first air pump is located outside the microbial fuel cell device and pumps ambient air into the cathode chamber. A jacket is provided outside the reactor housing to enclose the reactor housing. The CO2 capture device is a sealed housing with a liquid inlet, a liquid outlet, an air inlet, and an air outlet. The air outlet of the cathode chamber of the microbial fuel cell device is connected to the air inlet of the CO2 capture device via a pipe, and a second air pump is installed on the pipe. The rich liquid desorption unit includes a battery waste heat heating device and an electrically heated desorber. The CO2 storage unit includes a CO2 compressor and a CO2 storage container.

A composition for manufacturing an electrode, the composition including an electrically conductive carbon-based compound, at least one species able to form a catalyst, and cellulose microfibrils encapsulating chitosan. The cellulose microfibrils create a fibrous mesh binding the composition while limiting coating of the catalyst. Thus, the catalyst remains accessible to the surrounding environment, to allow the redox reactions at the electrode. The electrochemical performances of the electrode are consequently improved. The composition is furthermore particularly adapted for shaping an electrode by 3D printing.

The application discloses application of microbial electrochemical coupling anaerobic reaction reinforced biological methane synthesis in carbon neutralization. A microbial electrolysis cell is composed of an anode chamber, a cathode chamber and a proton exchange membrane, the anode chamber and the cathode chamber are connected through the proton exchange membrane, a mixed solution of sewage, ionic liquid and a solution of first methanogenic microorganisms is used as a substrate in the anode chamber, a mixed solution of culture medium, ionic liquid and a solution of second methanogenic microorganisms is used as a substrate in the cathode chamber, under the action of an external power source, the sewage in the anode chamber is degraded to generate electrons and H + , H + CO2 in the cathode chamber is converted into methane under the action of microorganisms; the first ionic liquid or the second ionic liquid is an amino acid anion type ionic liquid. The microbial electrolysis cell is convenient to operate and maintain and has a small floor area.

This invention discloses a bioelectrochemical denitrification system using a slow-release carbon source as the anode fuel, belonging to the field of microbial fuel cell technology. It comprises an anode chamber, a cathode chamber, an anode, a cathode, wires, and a separating membrane between the anode and cathode chambers. Electrochemically active microorganisms grow on the anode in the anode chamber, and anaerobic fermentation bacteria are present in the solution. An electrolyte and hydrogel particles with slow-release carbon function are added to the anode chamber. Electrochemically active denitrifying bacteria grow on the cathode in the cathode chamber. The hydrogel-released carbon serves as the solid fuel at the anode, providing a continuous electron donor to the cathode. Simultaneously, the selective permeation membrane controls the transmembrane transport of small organic molecules to the cathode, providing a carbon source for the denitrifying bacteria. The combined supply of electrons and carbon enhances denitrification by the denitrifying microorganisms at the cathode. This system is suitable for enhanced denitrification of polluted water bodies with low C / N ratios.

The invention belongs to the technical field of microbial fuel cells, and relates to preparation of a functional lignin-based biomass charcoal electrode prepared by flash evaporation Joule heat and performance research of the functional lignin-based biomass charcoal electrode. The lignin-based biomass material is subjected to one-step carbonization and functionalization by using a flash evaporation Joule heat technology. According to the preparation method, recycling of biomass waste and preparation of the microbial fuel cell anode are rapidly and efficiently completed, and the extracellular electron transfer rate between the material and microorganisms is effectively promoted through biocompatibility and capacitive performance of the microbial fuel cell anode. The method comprises the following steps: S1, preparing and pretreating ganoderma lucidum mushroom residues; s2, carrying out hydrothermal reaction on the treated ganoderma lucidum mushroom bran, and pre-carbonizing to obtain mushroom bran water carbon; s3, mixing mushroom bran water carbon and ferrocobalt metal salt in equal proportion to obtain a flash evaporation Joule heat precursor; s4, carrying out flash Joule heat treatment on the precursor to obtain ferrocobalt doped mushroom bran graphene; s5, preparing the cobalt-iron doped graphene as an anode material and assembling the microbial fuel cell; compared with an existing microbial fuel cell anode preparation method, the method has the advantages that recycling of lignin biomass waste and preparation of the microbial fuel cell anode are rapidly and efficiently completed, and the extracellular electron transfer rate between the material and microorganisms is effectively promoted through biocompatibility and capacitive performance of the lignin biomass waste.

The invention provides a system driven by a microbial fuel cell and used for synergistically degrading antibiotics through photoelectrocatalysis. The system comprises a photoelectrocatalysis device and a microbial fuel cell system. According to the invention, a confinement packaging photo-anode + MFC self-driving + in-situ H2O2 production synergistic system is adopted, a green self-driving energy system is constructed, a double-chamber MFC is adopted to replace an external bias voltage, electricity is generated by using a microbial degradation photoelectrocatalysis intermediate product, a stable voltage (0.6-0.8 V) is output, the photoelectrocatalysis requirement is met, and no fossil energy is input in the whole process.

The invention discloses a novel method for generating electricity by treating aged landfill leachate through a Co3O4 / Ni-MOF anode single-chamber MFC, and belongs to the technical field of inorganic environment materials and waste water resource utilization. The method comprises the following steps: firstly preparing different materials and taking the different materials as an anode catalyst of a microbial fuel cell (MFC), then constructing a single-chamber MFC, taking anaerobic activated sludge obtained by culturing aerobic activated sludge of a sewage treatment plant as anolyte, adding a nutrient solution, stabilizing for several periods, replacing an anaerobic sludge matrix in an anode chamber with the aged landfill leachate, and finally preparing the aged landfill leachate in the single-chamber MFC. The MFC is operated at room temperature and constant pressure, organic pollutants and ammonia nitrogen in the aged landfill leachate can be removed, and meanwhile electric energy can be recycled. The method is simple in equipment, convenient to operate, energy-saving and free of secondary pollution. When the anode catalyst is Co3O4 / Ni-MOF, the maximum power density of the single-chamber MFC reaches 882 mW / m < 2 >, the maximum output voltage is 524 mV, the COD removal rate can reach 35.3%, and the ammonia nitrogen removal rate can reach 48.5%.

The present application belongs to the technical field of water pollution treatment, and particularly relates to a kind of constructed wetland coupled microbial fuel cell and a kind of water pollution treatment method.The modified iron-carbon material in the present application can reduce the inhibitory effect of antibiotics on device electricity generation, well maintain the activity of electricity-generating bacteria, and maintain stable electricity generation of the system;The modified iron-carbon material in the present application not only has efficient electron transport capacity, strengthens electron transfer, but also has a large number of active adsorption sites, can effectively remove ofloxacin, and is helpful for denitrification;At the same time, the surface area of the modified iron-carbon material is huge, and the surface is loaded with Fe, which can improve the removal capacity of phosphorus.The present application realizes efficient degradation of ofloxacin and conventional pollutants by reasonably constructing a constructed wetland coupled microbial fuel cell, and has higher electricity generation performance.

The present invention is a technology relating to a double-layer separation membrane of PP and CA. In the present invention, CA is coated on a PP film containing a plasticizer, and then pores are formed in the CA film by water pressure treatment. When the separator of the present invention is used as a separator for a battery, it is possible to realize a battery that is thermally stable and can be used for a long period of time due to its thermal and mechanical stability.

The present invention relates to an electrolyte composition improved with deep eutectic-solvents-based, for activation of an energy harvester or energy storage device.

The present invention provides a conductive hydrogel and its derivatives, carbon nanomaterials, and enzyme bioelectrodes and their applications. The designed and synthesized conductive hydrogel and its derivatives can serve as electrolytes for flexible / rechargeable enzyme biofuel cells, ensuring ion conduction between the enzyme bioanode and enzyme biocathode while also serving as a fuel tank. Furthermore, the use of the hydrogel simplifies and facilitates the assembly of the biofuel cell, allowing the enzyme bioanode and enzyme biocathode to be directly pressed onto the sides of the hydrogel electrolyte plate, thereby eliminating the cumbersome battery assembly and packaging issues. The present invention uses a catalyst to activate asphalt to produce RADC and enzyme bioelectrodes prepared using RADC. The biofuel cell / capacitor hybrid biodevice assembled based on the conductive hydrogel electrolyte and enzyme bioelectrode outputs up to 0.64V OCP and 1.01μW·cm ‑2 It has the maximum power density and has high stability, excellent self-healing, ductility, adhesion, puncture resistance and plasticity.

The invention discloses a nonlinear optimal control method of a microbial fuel cell, and relates to the technical field of energy control. A nonlinear optimal controller can be directly designed for a nonlinear system; the input of the microbial fuel cell is controlled by using nonlinear optimal control, namely dilution rate, and unknown parameters in a nonlinear optimal controller are optimized by using an improved particle swarm algorithm, so that the microbial fuel cell quickly and stably generates maximum output voltage.

Emergency backup power systems for supplying emergency backup power for communication in a fully discharged fuel cell electric vehicle (FCEV), and methods of use, are provided. The emergency backup power system may comprise a first wastewater reservoir configured to store wastewater from a fuel cell state, a second wastewater reservoir configured to store wastewater from one or more water-activated fuel cells, an activation valve configured to enable water to flow from the second wastewater reservoir to the one or more water-activated fuel cells, an actuator configured to open the activation valve, the one or more water-activated fuel cells, a location tracking system configured to determine geographic coordinates of a FCEV, and an emergency communication module, comprising a processor, configured to transmit an emergency communication message for the FCEV.

This invention provides an improved method for electrochemical glucose measurement and an improved composition for glucose measurement. This invention also provides a composition for glucose measurement comprising a flavin compound. This invention also provides an electrode comprising a flavin compound and a sensor and a glucose fuel cell comprising such electrode. In addition, this invention provides a method for electrochemical glucose measurement and a method for electric power generation using a flavin compound. The flavin compound of the present invention is non-toxic or less toxic and it can be thus used for a means of self-contained continuous glucose measurement.

The present invention generally relates to implantable continuous blood glucose measurement technology. In particular, the present invention relates to an implantable continuous blood glucose measurement device for continuously measuring blood glucose in the body of a user, in which an oscillator for generating a variable frequency output signal corresponding to a voltage or current applied to both ends thereof is connected to a glucose fuel cell for generating electrical energy by glucose in the body, comprises an LED element, which is turned on or off by the output signal of the oscillator, or an antenna for wirelessly transmitting the output signal of the oscillator. The present invention has the advantage that blood glucose can be continuously measured in a state in which a blood glucose sensor is implanted in the body, without having to replace same.

The present invention relates to the field of photoelectrochemical conversion, and in particular to a microbial photoelectrochemical system, its construction method, and its application. The microbial photoelectrochemical system of the present invention comprises an anode chamber and a cathode chamber. The anode chamber is provided with an anode and a natural photosensitizer, and the cathode chamber is provided with a cathode and inoculated with a hybrid formed by combining microorganisms and a non-metallic photosensitizer. The anode chamber photosensitizer and cathode chamber hybrid are deposited on electrodes or discretely distributed in the electrode chamber. The microbial photoelectrochemical system of the present invention can achieve full-spectrum absorption of solar radiation and has excellent ability to generate and utilize photogenerated electrons and holes. It can be applied to fields such as water purification and low-molecular-weight hydrocarbon synthesis.

The utility model relates to the technical field of environmental protection and new energy, and particularly discloses a microalgae-mediated power generation energy storage and sewage purification coupling device which comprises a microalgae sewage treatment mechanism and a microalgae biological fuel cell coupling mechanism assembled on one side of the microalgae sewage treatment mechanism, the microalgae sewage treatment mechanism comprises a supporting frame and a supporting seat, an S-shaped glass tube is fixedly mounted on the inner wall of the supporting frame, reflecting covers corresponding to the S-shaped glass tube are fixedly mounted at the front end and the rear end of the supporting frame, and a reactor is fixedly mounted at the top of the supporting seat; pollutants in sewage can be absorbed in the snakelike glass pipeline through microalgae to purify the sewage, meanwhile, the treated microalgae biomass is conveyed into the microalgae biofuel cell coupling mechanism, chemical energy is converted into electric energy, power can be generated in the sewage treatment process, and the sewage treatment efficiency is improved. Economical and efficient sewage purification and energy production are effectively realized.

The invention discloses a synthesis method and application of an AgNPs (at) Zn-N-C catalyst. The synthesis method comprises the following steps: preparing a ZIF-8 precursor through a reaction of a zinc salt and a nitrogen-containing organic compound; the preparation method comprises the following steps: dispersing ZIF-8 in deionized water, and adding silver salt to generate Ag / ZIF-8; and then carrying out high-temperature pyrolysis on the Ag / ZIF-8 in an inert atmosphere to obtain the AgNPs (at) Zn-N-C catalyst. In the catalyst, silver nanoparticles are uniformly dispersed on the surface of a zinc-nitrogen co-doped carbon-based carrier, and the carrier has a high specific surface area and contains Zn-N4 active sites. The AgNPs (at) Zn-N-C catalyst shows excellent catalytic performance and stability in an oxygen reduction reaction, can efficiently promote a four-electron path reaction, remarkably reduces the generation of byproducts, and keeps good stability in an acidic or alkaline medium. The synthesis method is simple to operate, low in cost and suitable for industrial production, the cost is remarkably reduced by adopting cheap raw materials, the process is pollution-free, and the green chemical requirement is met.

The application discloses a kind of low-temperature resistant constructed wetland wastewater advanced treatment system in the field of sewage treatment, comprising: fuel cell component, including reaction cylinder and the water passing assembly connected in vertical cylinder, reaction cylinder is sequentially provided with upper support layer, cathode layer, isolation layer, anode layer and lower support layer from top to bottom in it, and the conductive circuit is connected out in anode layer and cathode layer, adjustable resistance is provided on the conductive circuit;Environment module is arranged in reaction cylinder, and environment module is used to monitor temperature, pH value, dissolved oxygen and oxidation-reduction potential data in reaction cylinder;Controller is electrically connected with environment module, adjustable resistance and water passing assembly;And a kind of control method;The beneficial effects of the application are that: by setting environment module, controller and energy recovery component, the system can be more suitable for the treatment of wastewater in low temperature environment, and the external energy consumption of the system is reduced, the utilization rate of its own output energy is improved, energy saving and environmental protection.