80results about How to "Improve biodegradation efficiency" patented technology

The efficient sequencing batch type air lifting circular flow waste water treating bioreactor in alternative anoxia-anaerobic-aerobic process includes one squared or cylindrical reactor unit, one water inlet unit and one water outlet unit as well as one aerating system. The reactor unit includes one reactor body, one triphase separator, conic bottom, air lifting circular flow guide tube and upper deflecting baffle. The present invention also discloses corresponding technological process. By means of the sequencing batch type air lifting circular flow waste water treating bioreactor and the corresponding technological process, double target of oxidizing non-degradable organic pollutant and biological denitrification may be reached in the same reactor, the treated high concentration non-degradable nitrogenous industrial organic waste water may reach the drainage standard, and the residual sludge amount may be reduced by over 80%.

The invention relates to a multi-hole foam glass carrier for a fast mass transfer biological fluidized bed and a preparation method and application thereof, which belong to sewage disposal technology. The multi-hole foam glass carrier is prepared by using waste glass as a raw material to be composited with volcanic rocks, coal ash, coal gangue, furnace clinker, iron powder, aluminum powder, binding agents, foaming agents, foam stabilizer and fluxing agents by weight, and multi-hole foam glass is obtained by stages of preheating, fast sintering, foaming, fast cooling and annealing. The preparation process of the multi-hole foam glass carrier is simple in route, easy to control and low in cost, and the prepared carrier is stable in performance, high in porosity, large in specific surface area, resisting in impact, good in mechanical performance, high in biocompatibility, favorable to efficient fixing of the microorganism, and suitable to the fast mass transfer biological fluidized bed. The multi-hole foam glass carrier solves the problem that biological immobilization carriers in the prior art are easy to abrade, small in bio-film formation amount, low in mass transfer effects and the like in the fast mass transfer biological fluidized bed. The preparation method opens up new approaches for preparing the biological carriers, and fills blank spaces in using of foam glass materials in sewage disposal.

The invention relates to a repair system and a repair method for underground water polluted by trichloroethylene. The repair system for the underground water polluted by the trichloroethylene consists of an anaerobe reaction wall, an oxygen release reaction wall and an aerobe reaction wall, and is built and assembled according to the order of the anaerobe reaction wall, the oxygen release reaction wall and the aerobe reaction wall. The invention establishes the multifunctional biological permeable reaction wall system for in situ repair of the underground water polluted by the trichloroethylene, wherein an oxygen release agent provides sufficient oxygen for indigenous microorganisms, and three substances, namely residual activated sludge, immobilized trichloroethylene aerobic degrading bacteria and biological enzyme preparation related to trichloroethylene metabolism, are added respectively, so that the microorganism action is strengthened and the trichloroethylene biodegradation efficiency is improved. The invention provides an ideal and high-efficiency biological repair system which has wide application prospect for the underground water polluted by the trichloroethylene through stepped combination of the anaerobe action, the oxygen release action and the aerobe action.

The invention discloses a sodium alginate compound immobilized microbial agent and a preparation method thereof, and the sodium alginate compound immobilized microbial agent solves the problem that an immobilization way of pseudomonas suitable for di-chlorine quinoline acid degradation in the prior art is absent. A carrier culture medium with the pseudomonas and sodium alginate are mixed to obtain a mixture, and the mixture is dropwise added into calcium chloride with concentration being 1-4% to stand for 2-4 hours to prepare a granule; the mass concentration of the sodium alginate is 2-6%; the carrier culture medium comprises an adsorption carrier and an inorganic salt liquid culture medium; a weight ratio of the adsorption carrier to the sodium alginate is (1-3) to 1; and the adsorption carrier consists of corn cob, bamboo charcoal and oil cake in a weight ratio being 1:(1-2):1. According to the invention, the degradation efficiency of bacteria is effectively improved, and the degradation rate of the immobilized microbial agent is much higher than the sum of the physical absorption efficiency of blank spheres and biological degradation efficiency of a free bacterial strain, so that the effect of mutual promotion can be achieved.

The invention discloses a purified terephthalic acid wastewater treatment method, which treats the purified terephthalic acid wastewater through highly efficient catalytic oxidation and dual-membrane bio-reaction tank combined technology to enable the COD of the wastewater to be reduced from 4,000-6,000 mg / L to 100 mg / L below, and enable the terephthalic acid to be reduced from 1,000-2,000 mg / L to 10 mg / L below. The catalytic oxidation takes air and chlorine dioxide as an oxidant, and takes activated carbon as a catalyst; the organic volumetric load of a primary membrane bio-reaction tank reaches 2.85-4.5kg COD / m3.d, while the organic volumetric load of a secondary membrane bio-reaction tank reaches 0.4-0.8kg COD / m3.d.

The invention provides a magnetic microbial carrier and a preparation method thereof. The magnetic microbial carrier is a macromoleclar polymer with a magnetic cross-linked structure, the macromoleclar polymer is polyvinyl formal, the polyvinyl formal is foamed and modified through a composite enhancing component and comprises silicon packaged magnetic powder, and the composite enhancing component is made of at least one of activated charcoal particles, siliceous marl, kaolinite, coal ash and hydrophilic silicon dioxide. According to the invention, the preparation process is simple, the operation is easy, and the prepared magnetic microbial carrier can solve the problems that a conventional porous carrier can not effectively fix microbes and diversified environments in carriers are hard to be formed.

The invention provides a preparation method of a magnetic microbial carrier. The magnetic microbial carrier has a magnetic crosslinked-structure high-molecular polymer and silicon coating magnetic powder, wherein the high-molecular polymer is polyvinyl formal which is foamed and modified by a composite reinforcing component; and the composite reinforcing component is composed of at least one of activated carbon particle, kieselguhr, kaolin, fly ash and hydrophilic silicon dioxide. The preparation process is simple and easy to operate; and the prepared magnetic microbial carrier can solve the problems that the existing porous carrier can not effectively fix the microbes and a diversified environment can not be easily formed in the carrier.

The invention discloses a hermetia illucens breeding method and a hermetia illucens puparium powder preparation method. The hermetia illucens puparium powder preparation method includes the steps of S1, drying hermetia illucens puparium and then grinding the same into powder; S2, adding powdered hermetia illucens puparium in a sodium hydroxide solution, stirring, separating and filtering; S3, adding the powdered hermetia illucens puparium in a hydrochloric acid solution, stirring, separating and filtering; S4, adding the powdered hermetia illucens puparium in another sodium hydroxide solution,stirring, separating and filtering; S5, drying the powdered hermetia illucens puparium, and then screening particles of pre-treated powder of hermetia illucens puparium. The invention further discloses a hermetia illucens puparium composite material and thin film preparation method, and an antibacterial and anti-mould additive. According to the invention, productivity of chitosan of hermetia illucens puparium can be increased effectively, prepared powdered hermetia illucens puparium can be used for preparation of hermetia illucens puparium high-polymer composite fiber, thin film and the like,and antibacterial effect is improved greatly. Further, a mixture of the powdered hermetia illucens puparium and oyster shell powder can be used as the novel antibacterial anti-mould additive.

The invention discloses a method for treating persistent halogenated hydrocarbons in soil by a slow-release compound remediation agent. The method includes steps: pre-ploughing contaminated soil, directly spreading a certain quantity of the slow-release compound remediation agent into ploughed soil, harrowing to well mix, watering to keep certain moisture content, and covering the soil surface with a protecting layer to realize anaerobic reduction dehalogenation reaction, wherein spreading quantity of the remediation agent is 0.05-1.5% of the dry weight of the contaminated soil, the soil ploughing depth is 25-40cm, the soil moisture content is adjusted to 50-80% of maximum field moisture capacity after spreading of the remediation agent, and remediation treatment time is 30-350d. The remediation method takes advantages of great adsorption performance of black charcoal, efficient chemical reducibility of nano zero-valence metal and dissimilatory iron reduction dehalogenation performanceof functional microorganisms to achieve physical, chemical and biological synergistic remediation effects on persistent halogenated hydrocarbon contaminated soil and has advantages of long action period, structural stability, low cost, environmental friendliness and the like.

The invention discloses a quasi-earth-surface IV-type water standard deep treatment catalyst system, a treatment method and device, and belongs to the field of the environmental protection. The systemcomprises serially connected front end pre-reduction catalyst and secondary deep purification catalyst containing zero-valent iron / zero-valent copper / active carbon compositions. A mass ratio of iron / carbon in the front end pre-reduction catalyst is (2.5-7):1, and a mass ratio of iron / carbon in the secondary deep purification catalyst is (0.8-1.25):1. The method for treating biochemical tail waterby using the above catalyst system is performed through the following treatment units successively: 1) a front end pre-reduction unit; 2) a biological deep oxidation unit: further reducing COD, ammonia nitrogen and phosphorus of the system; 3) a deep sedimentation unit: removing suspended solids SS; and 4) a secondary deep purification unit. The secondary sedimentation tail water treated by the method is capable of removing toxicity of toxic and harmful organic pollutants, and deeply degrading and removing organic matters. The method is an efficient feasible quasi-earth-surface IV-type waterdeep treatment method.

The invention discloses distributed sewage regeneration method, an apparatus and a control system. The distributed sewage regeneration apparatus comprises a tank body, wherein the tank body is provided with a water inlet pipeline and a water production pipeline, the tank body is divided into a hydrolysis acidifying pool, a denitrification pool, an aeration tank, a membrane filter pool, a denitrification dephosphorization region and a regeneration water pool. A partition board is respectively arranged in the hydrolysis acidifying pool and the aeration tank as well as the aeration tank and the membrane filter pool; the water flows to the next water pool through a flowing-guide pipe; and the denitrification dephosphorization region is arranged in the regeneration water pool and partitioned from the middle of the regeneration water pool by a screen with fine hole separating screen. The control system comprises an integrated sewage regenerator, and a water quality testing apparatus and an PLC controller matched with the integrated sewage regenerator, wherein a data signal acquired by the PLC controller realizes remote data acquisition, monitoring and control by means of wireless broadcasting station or an optical communication Ethernet technology or a GPRS technology, thereby the invention has the advantages of compact integral body, convenient installation, easy implementation of remote control, favorable yielding water quality and the like.

The invention provides an anaerobic biological treatment method of high-concentration organic wastewater. The method implements anaerobe split-phase separation, and has the advantages of favorable granulation effect, high microbial biomass, high activity, high reactor load, high starting speed, and the like. The method can maximally reserve the high-activity sludge to form the optimal microbial community structure, thereby enhancing the biodegradability and achieving the goal of simultaneously decomposing organic matters and sludge.

The invention relates to a biological integrated treatment device of domestic sewage, comprising a main body container, a sewage intake conduit, an aeration machine and a mud drainage conduit. The inner space of the main body container of the device is fully utilized and separated into two aeration reaction chambers as well as a clarifying chamber, and sewage is led in along the flowing directionof a stream and sequentially treated through the aeration reaction chamber and the clarifying chamber. In addition, the invention also preferably fills the aeration reaction chamber of the equipment with a biological cube vector for improving the biodegradation efficiency of the aeration reaction chamber.

The invention relates to sewage recycling harmless treatment integrated equipment. A sewage biochemical treatment tower, a biological sand filter box and a biological activated carbon expanded bed are packaged into one pressure-bearing container and are separated into three sewage biochemical treatment units which can independently operate by virtue of conical and cylindrical separating plates, the three sewage biochemical treatment units are connected with a jet flow driving sequencing batch type biochemical reactor by virtue of a pipeline and a submersible sewage pump, the jet flow driving sequencing batch type biochemical reactor is connected with a biological contact filter chamber by virtue of a water decanter, the biological contact filter chamber is connected with the sewage biochemical treatment tower by virtue of a water pump and a jet flow gas mixing device, the sewage biochemical treatment tower is connected with the biological sand filter box by virtue of a water outlet valve of the sewage biochemical treatment tower, and the biological sand filter box is connected with the biological activated carbon expanded bed by virtue of a sand filter box water collecting pipe, a sand filter box water discharging pipe and a sand filter box water outlet valve. The sewage recycling harmless treatment integrated equipment has the advantages that sewage treatment recycling and harmless sewage treatment can be implemented, recycling of water source is realized, pollution of sewage to the environment is eliminated, and the water source is saved.

The invention discloses a method of degrading surface-source petroleum hydrocarbon in a water body through microorganisms. In the method, the surface-source petroleum hydrocarbon in the water body ishigh-effectively degraded by synergistically combining a biodegradation accelerant N-acyl glutamate, a special microorganism flora and a microbial nutritional composition, thus achieving bio-restoration. Removal rate of the surface-source petroleum hydrocarbon on the polluted water body can reach 100% after about 10 days. The method greatly improves biodegradation efficiency, wherein the microbialdegradation products of the petroleum hydrocarbon are CO2 and H2O, so that the method is free of secondary pollution to environment and is an ideal environment-friendly petroleum hydrocarbon removalmethod. The method has simple operations and employs low-cost and easy-to-obtain raw materials, is free of influence by natural environment, is low in cost, and has great application prospect.

The invention discloses a multi-stage coupled zero-discharge water treatment system for BDP wastewater. The multi-stage coupled zero-discharge water treatment system comprises (1) an air floatation tank, (2) a visible-light catalytic reaction tank, (3) an MBR reaction tank, (4) an ultraviolet photocatalytic reaction tank and (5) an MVR concentration device; the BDP wastewater passes through the air floatation tank to achieve air flotation and separation of unreacted solvent toluene, and suspended solid particles are removed; the wastewater passes through the visible-light catalytic reaction tank, a nano Au / TiO2 catalyst is laid at the bottom of the reaction tank; the wastewater follows through an anaerobic zone and an aerobic zone of the MBR reaction tank; the wastewater passes through theultraviolet photocatalytic reaction tank, and ultraviolet photocatalysts are molecular sieve balls loaded with nanometer TiO2; high-salinity water is concentrated by the MVR concentration device toobtain sodium chloride concentrate and pure water. The multi-process-coupled near-zero-discharge water treatment system developed for the BDP wastewater has the advantages that the advantages of eachmodule are fully developed and the optimal water treatment effect is achieved.

The invention discloses a kitchen sewage multi-stage treatment process, and belongs to the technical field of sewage treatment. The treatment process comprises the following steps: performing three-phase separation in a regulating tank; carrying out primary anaerobic high-temperature fermentation; carrying out secondary anaerobic medium-temperature fermentation; precipitating in a precipitation tank; performing a normal-temperature biochemical treatment in a biochemical pool; performing a sedimentation treatment in a secondary sedimentation tank; and discharging processed water into a clean water tank. The heat in the sewage treatment front process is fully utilized; energy is fully and efficiently utilized in a gradient mode, organic matters in sewage are degraded step by step, and the process can adapt to the characteristics of low pH, high SS, high COD, high oil content and the like of kitchen sewage, has the characteristics of high energy utilization rate, high biogas yield, high COD removal rate, stable treatment effect, low operation and maintenance cost and the like, can realize up-to-standard discharge of the kitchen sewage, and is suitable for popularization and application in the field of kitchen sewage treatment.

The invention discloses a method for extracting a microbial degradation hydrophobic organic compound from a cloud point system and belongs to the technical field of environmental protection. The method comprises the following steps that A, a nonionic surfactant is adopted for forming the cloud point system at the temperature lower than the temperature of the microbial degradation hydrophobic organic compound; and B, the cloud point system is used as a medium of the microbial degradation hydrophobic organic compound, and the hydrophobic organic compound in the environment is extracted and solubilized into the degradation culture medium so as to degrade the hydrophobic organic compound. The method is applied to the aspect of degrading hydrophobic organic contaminants of the cloud point system, and no negative effects are caused to microbial survival and degradation vitality; and meanwhile, the bioavailability of the hydrophobic organic compound is improved, and environment pollution treatment is facilitated.

The invention discloses a method for acquiring an in-situ bottom mud sample from a bottom mud type fuel cell. A box with an opening at the upper end is fixed on the surface of a hard electrode plate;one surface, close to the electrode plate, of the box uses the electrode plate as a side surface; the hard electrode plate with the box is inserted into the bottom mud, so that the bottom mud immersesthe box; one end of an electrode wire A is connected with the hard electrode plate, the other end of the electrode wire A is connected with a resistor; one end of an electrode wire B is connected with the resistor, and the other end of the electrode wire B is arranged in upper-layer water, and a bottom mud fuel cell is successfully constructed. After the bottom mud fuel cell runs for set time, the hard electrode plate is pulled out, and an in-situ bottom mud sample immersed in the box is obtained. According to the invention, a bottom mud sample recovery device is fixed on the electrode, can be arranged into mud along with the electrode, and collects bottom mud samples around the electrode. The method provided by the invention is used for realize convenient, effective and low-cost acquisition of the bottom mud sample near the electrode of the bottom mud fuel cell, and a method for researching the performance and the ecological environment effect of the bottom mud fuel cell is provided.

The invention discloses a sustained-release composite remediation agent for treating persistent halogenated hydrocarbon in groundwater and a preparation method thereof. The preparation method comprises the following steps: 1) preparing bacterial liquid saturated black carbon; 2) preparing a colloidal solution A containing locust bean gum and an organic carbon source; 3) preparing a colloidal suspension B containing locust bean gum, an organic carbon source, a nano-scale zero-valent metal and the bacterial liquid saturated black carbon; 4) carrying out a crosslinking reaction for 2-6h; and 5) carrying out a delayed crosslinking reaction for 2-6h to obtain a sustained-release composite remediation agent for treating persistent halogenated hydrocarbon in groundwater. The sustained-release composite remediation agent prepared by the method provided by the invention can utilize the good adsorption performance of black carbon, the high-efficiency chemical reducibility of the nano-scale zero-valent metal and the dissimilation iron reduction dehalogenation capability of functional microorganisms to achieve the physical, chemical and biological synergistic remediation effect of persistent halogenated hydrocarbon polluted groundwater, and has the advantages of long action period, stable structure, low cost, environmental friendliness and the like.

The invention discloses a coal chemical industrial wastewater treatment system and a treatment process thereof. The coal chemical industrial wastewater treatment system comprises a raw water tank, an anaerobic tank, an aerobic tank and a membrane tank, which are sequentially connected, wherein coal chemical industrial wastewater sequentially passes through the anaerobic tank, the aerobic tank and the membrane tank after reaching the raw water tank through a lifting pump; an aeration device is arranged in the aerobic tank; a reflux circulation pipeline is arranged between the lower part of the membrane cell and the anaerobic tank; an activated coke addition system is arranged on the anaerobic tank, and a certain amount of activated coke is added into the anaerobic tank. The characteristic of developed mesopores of the activated coke in the wastewater treatment system can be fully utilized to achieve good adsorption effects on difficult-to-degrade organic matters, macromolecular organic matters and the like in the wastewater, and in addition, the activated coke can serve as a colloidal nucleus of activated sludge to improve the performance and water-bearing feature of the sludge and form a good water passage in the surface of a membrane to ensure membrane flux and prevent membrane pollution and plugging; moreover, the activated coke can be regenerated or mixed and hydrated with the sludge for blending combustion, so that the using cost is low.

The invention provides a combined treatment method of high-concentration industrial wastewater. The method can maximally maintain the high-activity sludge, has the advantages of high biodegradation efficiency and higher biodegradability, and achieves the goal of simultaneously decomposing organic matters and sludge. The method can implement synchronous treatment on malodorous gas and wastewater and sufficiently degrade pollutants in the malodorous gas; and the suspended filler greatly enhances the treatment load and the degradability for pollutants. The staggered micro-expansive biological filler bed can thoroughly discharge the waste on the bottom of the filler bed box and ensure no foreign matters to block the pipeline of the equipment in the operation process. The method has the advantages of simple technological conditions, small occupied area and low operation energy consumption. By adopting the higher automation level, the method is convenient for management, has high adaptability, and reduces the environmental pollution.

The invention discloses an offshore platform domestic sewage treatment system and method using a biochemical electrolytic method.The treatment system comprises a buffer tank (1), a crawler type oil separation plate (2), an oil storage tank (3), a biochemical tank (4), a process pump (5), a membrane filter unit (6), an electrolysis catalytic oxidation device (7), a direct-current power supply system (8), a gas-liquid separation device (9) and a fan (10).The treatment method includes: domestic sewage enters the buffer tank (1) for water quality and water quantity adjustment, grease in the domestic sewage is removed by the crawler type oil separation plate (2), then the domestic sewage sequentially enters the biochemical tank (4), the membrane filter unit (6) and the electrolysis catalytic oxidation device (7) for treatment, the discharged water enters the gas-liquid separation device (9) and is discharged from the bottom, the fan (10) provides compressed air, part of the compressed air is used for aerating the biochemical tank (4), and part of the compressed air enters the gas-liquid separation device (9) and is mixed with gas generated by the electrolysis catalytic oxidation device (7) and discharged from the top.

The invention discloses sewage recycling and regenerating combined equipment which comprises a biochemical reactor, a cylindrical base, a platy base, a crypt machine room, an outer crypt machine room, an annular tank wall, a biological sand filter box, a semicircular partition, a biological activated carbon expanded bed, a water collection tank, SBRs, BAFs and a sludge concentration tank. Biochemical reaction, biological sand filtration and biological activated carbon biochemical degrading processes can be integrated in a combined pressure bearing tower, the combined pressure bearing tower can be assembled with the water collection tank, a jet-driven sequence batch biochemical reactor, a jet oxygenation biological contact filter and the sludge concentration tank to form the combined equipment, and the crypt machine room is arranged below the biochemical reactor, a biological sand filtration box and the biological activated carbon expanded bed. Flow pipelines and pipe fittings are reduced substantially, flow resistance is lowered, biochemical reaction efficiency is improved, land occupation area is compressed, construction cost is lowered, recycling and harmless sewage treatment is realized, recycling of water resources is promoted, and the water resources are saved.

The invention discloses a seaborne platform high-salinity domestic sewage processing and recycling device.The device mainly comprises an inclined oxidation ditch and a segmented MBR pond.The inclined oxidation ditch mainly comprises a first aerobiotic pond, an anaerobic pond, an anoxic pond, a second aerobiotic pond, a secondary sedimentation pond and a middle water pond.The first aerobiotic pond, the anaerobic pond, the anoxic pond, the second aerobiotic pond, the secondary sedimentation pond and the middle water pond are constructed together to form the inclined oxidation ditch.The segmented MBR pond mainly comprises a biochemical pond, membrane pond, a vacuum meter and a suction pump which are sequentially connected in series.The biochemical pond and the membrane pond are constructed together to form the segmented MBR pond.The vacuum meter and the suction pump are installed outside the membrane pond and matched with a membrane assembly to achieve intermittent drainage.Detachable supporting columns are arranged at the bottom of the inclined oxidation ditch.Foot brake movable wheels are arranged at the bottom of the segmented MBR pond.According to the seaborne platform high-salinity domestic sewage processing and recycling device, the integrated design is adopted, the floor area is small, the device can be disassembled into two parts to be operated independently, and seaborne platform high-salinity domestic sewage processing and recycling device is particularly suitable for dispersed domestic sewage treatment.

The invention discloses a baffling type ozone pre-oxidation combined biological filter advanced treatment method. The method is characterized in that an ozone oxidation and tail gas utilization technology is combined with a biological filter for advanced treatment on wastewater, the wastewater and ozone are mixed by a supercharged jet mixer and then enter an ozone pre-oxidation unit for pre-oxidation, then the waste water enters a tail gas treatment tower for gas-water separation so that decomposition and damage of residual ozone in the waste water and tail gas are completed, effluent and tailgas of the tail gas treatment tower are pressurized by a pipeline booster pump and a venturi ejector to be atomized at a high speed and then enter a biological treatment unit, and final biodegradation of pollutants in the wastewater is realized. The ozone pre-oxidation unit and the biological treatment unit are respectively formed by connecting a plurality of closed pre-oxidation towers and biological filtration towers in series through baffling, and oxygen required by the biological filtration towers is provided after tail gas of the ozone pre-oxidation unit is treated. The method provided by the invention can reduce the ozone dosage, and has the advantages of high ozone utilization efficiency, good wastewater treatment effect and efficient and stable system operation.

The invention discloses a device and a method for coupling efficient biological treatment and sludge reduction of trademark fabric production wastewater. The device comprises a neutralization tank, an adjusting tank connected with an outlet of the neutralization tank, a facultative tank connected with an outlet of the adjusting tank, a first-stage sedimentation tank connected with an outlet of the facultative tank, an aerobic tank connected with an outlet of the first-stage sedimentation tank, and a second-stage sedimentation tank connected with an outlet of the aerobic tank, and an outlet of the first-stage sedimentation tank and an outlet of the second-stage sedimentation tank are respectively connected with an inlet of the adjusting tank. According to the method disclosed by the invention, FeCl2 is added into inlet water of the adjusting tank, so that the pH of the alkaline wastewater is reduced, trace elements for growth of activated sludge microorganisms are provided, the activity of the microorganisms and the flocculation precipitability of the sludge are improved, and the biodegradation efficiency of the wastewater and the adsorption removal of antimony are improved. According to the method, the biological treatment efficiency of the wastewater can be improved while sludge reduction is realized, the operation is simple, the cost is relatively low, and engineering is easy.

The present invention relates to a safe medicine bottle capable of preventing children from eating by mistake and belongs to the technical field of medicine packaging. The safe medicine bottle capableof preventing children from eating by mistake comprises an outer bottle body, an inner bottle body and an upper cover, wherein the inner bottle body is provided with elasticity regulation holes, a distance between a bottom part of a clamping block locking groove and a bottom part of the inner bottle body is greater than a distance between a bottom part of a clamping block and a bottle part of theouter bottle body, so that when the inner bottle body and the outer bottle body are tightly clamped together, the elasticity regulation holes are in elastic deformation compression state, so that relative shaking between the inner bottle body and the outer bottle body can be effectively prevented, when the inner bottle body and outer bottle body are needed to be opened, single rotation cannot conduct opening, pressing of the inner bottle body is needed, so that the clamping block is separated from the clamping block locking groove, the inner bottle body is pressed and at the same time the inner bottle body and outer bottle body are rotated, so that the medicine bottle can be opened, and children are prevented from opening the medicine bottle and eating medicines in the medicine bottle bymistake. In a word, the safe medicine bottle capable of preventing children from eating by mistake is simple and reasonable in structure, and can effectually prevent the children from eating the medicines in the bottle by mistake.

The invention discloses a method for degrading red tide / water bloom algae by in-situ driving electro-Fenton through a sedimentary microbial fuel cell based on water body bottom mud, and belongs to the technical field of water body pollution treatment. The method comprises the following steps: introducing a carbon felt electrode as an anode into bottom mud of a water body, oxidizing organic matter resources contained in the bottom mud to generate electrons by virtue of an extracellular electron transfer mechanism by virtue of electricigens under a natural anaerobic environment condition, transferring the electrons to a gamma-FeOOH-loaded cathode fixed on the upper surface of the liquid surface of a cathode region through the anode, dissolving ferric iron in water to promote the reaction of dissolved oxygen and ferric iron to generate Fenton reagents H2O2 and Fe<2+>, and decomposing hydrogen peroxide under the catalytic action of ferrous ions to generate hydroxyl free radicals with strong oxidizing property; wherein energy and hydrogen peroxide are not required to be added in the process, and the purpose of removing red tide / water bloom algae in situ can be achieved. Meanwhile, the effect of reducing organic matters in the water body bottom mud can be realized by utilizing anodic reaction.