57 results about "Anaerobic microorganisms" patented technology

The resource utilization type sewage treatment equipment comprises a box body internally provided with a containing cavity, the box body is provided with a water inlet and a water outlet, three partition plates are arranged in the containing cavity at intervals, and the containing cavity is divided into a primary sedimentation tank, an anaerobic fermentation tank, a sludge fermentation tank and a reuse water storage tank which are sequentially communicated. According to the utility model, the accommodating cavity is divided into the primary sedimentation tank, the anaerobic fermentation tank, the sludge fermentation tank and the recycled water storage tank which are sequentially communicated through the three partition plates, large-particle impurities in sewage are subjected to hydrolytic acidification and sedimentation in the unit through the primary sedimentation tank, and then microorganism-attachable suspended filler is added through the anaerobic fermentation tank; the acidified and hydrolyzed sewage is deeply fermented and decomposed by anaerobic microorganisms in the area and is further purified. And the sludge fermentation tank is divided into an anaerobic sludge fermentation zone, a three-dimensional filter material microbial reaction zone, a microporous ceramsite adsorption zone and gravel filtration plant absorption from bottom to top, so that the ultimate purification of water quality is achieved.

The utility model discloses an agricultural sludge anaerobic digestion treatment device, and relates to the technical field of sludge anaerobic digestion treatment devices. The agricultural sludge anaerobic digestion treatment device comprises a bottom plate, a control box and an anaerobic digestion reactor, a crushing mechanism is arranged at the top of the bottom plate, an extrusion mechanism is arranged on the surface of the crushing mechanism, and extraction assemblies are arranged on the top of the bottom plate, the surface of the crushing mechanism and the surface of the anaerobic digestion reactor. According to the anaerobic digestion reactor, massive sludge is crushed through the extrusion mechanism, the sludge is crushed into smaller particles through the crushing mechanism, the decomposition effect of anaerobic microorganisms is facilitated, and the sludge crushed in the crushing mechanism is extracted into the anaerobic digestion reactor through the extraction assembly; and organic matters are easier to degrade by microorganisms after the sludge is crushed, so that more biogas can be generated, the particle size can be reduced by crushing the sludge, the blocking risk is reduced, and the stable operation of the system is ensured.

The present application relates to a kind of high alkalinity wastewater pre-acidification treatment method and its processing device system, the treatment method includes: the nutrient substance is added to the wastewater to be treated and is adjusted to obtain adjusted water;Part of the adjusted water is returned to adjust and handle, another part is added to the nutrient substance and is pre-acidification treatment, obtain pre-acidification water;Pre-acidification water is treated by anaerobic purification, obtain anaerobic purification water;Anaerobic purification water is treated by aeration and sedimentation in turn, obtain treated water.The treatment method and its processing device system provided by the present application can regulate the metabolic activity of microorganism, reduce the inhibitory effect of wastewater alkalinity and metal ions on anaerobic microorganism, improve the anaerobic removal rate of anaerobic purification treatment, reduce the adding cost of acidic substance and nutrient substance.

The present application relates to the organic wastewater and greenhouse gas carbon dioxide resource utilization, biological energy and biological electrochemical engineering cross technical field, disclose a kind of system and method for preparing middle chain fatty acid and sustainable aviation fuel in cooperation, system with organic wastewater as carbon source and electron donor, short-chain organic acid is converted into middle chain fatty acid by anaerobic microorganism carbon chain extension reaction, and is separated in situ by liquid membrane extraction and enriched;Enriched product is introduced into microbial electrosynthesis reactor, and further carbon chain extension is carried out by anode Kolbe electrolysis catalysis, and C10-C14 sustainable aviation fuel is prepared;Carbon dioxide is used as carbon source in cathode, and is converted into acetic acid by microbial catalysis, and carbon chain extension is carried out again by co-fermentation with organic wastewater.The present application realizes the synergic integration of organic wastewater treatment, carbon dioxide resource utilization and high value-added fuel preparation, and has high resource utilization degree, high carbon utilization efficiency and significant environmental benefits.

The invention discloses a rice blast-resistant rice crossbreeding device and method, and relates to the technical field of rice crossbreeding, the rice blast-resistant rice crossbreeding device comprises a cylinder, a fixing ring is fixedly connected in the cylinder, a plurality of supporting rings are arranged in the fixing ring, and a through groove is formed in the inner wall of the top of each supporting ring; the outer sides of the supporting rings are fixedly connected with middle plates, the two ends of each middle plate are fixedly connected with the two adjacent supporting rings correspondingly, and supporting assemblies are arranged in the supporting rings. According to the rice blast-resistant rice crossbreeding device and method, air in the conical barrel can be continuously exchanged with the outside through holes among the supporting rings, sufficient oxygen is provided for seed germination and root growth, breeding of anaerobic microorganisms is effectively inhibited, the risk of seed rotting and root rotting is reduced, and meanwhile, the yield of the rice blast-resistant rice is increased. A stable distance is formed between the bottom of the conical barrel and the water liquid level through the supporting structure of the upper and lower double circular plates, and seeds can be concentrated in the conical barrel and stably make contact with water.

The invention discloses a sludge circulating membrane biological sewage treatment device and method. Comprising a cylindrical shell, and four annular galleries are coaxially arranged in the cylindrical shell; a treatment tank is arranged in the middle of the fourth annular gallery in the center; an anaerobic zone and an anoxic zone are arranged in the first annular gallery positioned on the outer side; the first aerobic zone is positioned in the second annular gallery; the second aerobic zone is positioned in the third annular gallery; the third aerobic zone is positioned in the fourth annular gallery; the MBR pre-anoxic zone is arranged in the treatment tank; the first annular gallery and the second annular gallery at the tail end of the anoxic zone are communicated through a through-wall pipe; the second annular gallery, the third annular gallery and the fourth annular gallery are communicated through wall penetrating pipes. The MBR pre-anoxic zone is arranged to replace a traditional secondary sedimentation tank, dissolved oxygen and nitrate nitrogen in returned sludge are partially consumed in the MBR pre-anoxic zone, the influence on anaerobic microorganisms in the anaerobic zone is reduced, and meanwhile, the occupied area of sewage treatment equipment can be saved.

The utility model relates to the technical field of edible mushroom processing, and discloses a sterilizing device for edible mushrooms, which comprises a bearing mechanism and a sterilizing mechanism, the sterilizing mechanism is fixedly connected inside the bearing mechanism, the sterilizing mechanism comprises a sterilizing unit and a limiting unit, the sterilizing unit is fixedly connected inside the bearing mechanism, and the limiting unit is fixedly connected inside the bearing mechanism. And the limiting unit is arranged in the degerming unit. According to the sterilization device for the edible mushrooms, through a vibration machine and a vibration head in the limiting unit, edible mushroom materials in the bearing disc vibrate in the sterilization process, the stacking and shielding state of the materials at the top and the bottom in a traditional container is broken, and irradiation of an ultraviolet sterilization lamp can be more uniform; air in the inner shell can be exhausted through the air exhauster in the sterilization unit, a low-oxygen environment is formed, on one hand, anaerobic microorganism breeding is inhibited, on the other hand, interference of air on ultraviolet diffusion is reduced, and the ultraviolet rays cover the surface of the material more evenly.

The application discloses an oil agent equipment cleaning waste liquid treatment device and method, and relates to the field of oil agent waste liquid treatment. The device comprises an electric field demulsification mechanism in communication with a waste liquid pipe, wherein a pulse electrode is arranged in the electric field demulsification mechanism, a composite reactor is arranged on the downstream side of the electric field demulsification mechanism, an anaerobic bacteria area, a lower grid, a transverse partition plate, an upper grid and an aerobic bacteria area are arranged from bottom to top in the electric field demulsification mechanism, and the electric field demulsification mechanism is further provided with an aeration assembly, a monitoring and shunting system and a gas collecting mechanism. The treatment method comprises the following steps: electric field demulsification pretreatment, aeration, aerobic / anaerobic microbial degradation, multi-parameter monitoring and shunting treatment. According to the application, secondary pollution is avoided through pulse electric field demulsification, pollutants are degraded in stages by using an anaerobic-aerobic linkage circulation structure, real-time monitoring and intelligent shunting are combined, and the treatment efficiency is improved and the operation cost is reduced.

The utility model discloses an efficient and energy-saving slaughter wastewater treatment system, and belongs to the technical field of sewage treatment. The efficient and energy-saving slaughter wastewater treatment system comprises a water collecting tank, an anaerobic tank, an adjusting tank and a secondary sedimentation tank which are communicated in sequence, a sludge return pipeline communicated with the anaerobic tank is arranged on the regulating tank, and a first aerobic tank and a second aerobic tank which are connected in parallel are arranged between the regulating tank and the secondary sedimentation tank through a pipeline. According to the utility model, the anaerobic tank is adjusted to the front end of the adjusting tank, so that effluent of the water collecting tank firstly enters the anaerobic tank, granular COD (Chemical Oxygen Demand) can be well prevented from being deposited at the bottom of the adjusting tank, a carbon source can be utilized to the greatest extent, the total tank volume is effectively reduced, and the water tank volume and the construction cost are reduced; anaerobic microorganisms in the regulating tank are accumulated and flow back to the anaerobic tank, so that the anaerobic treatment efficiency is greatly improved. According to the utility model, the denitrification efficiency can be effectively improved, the addition of an external carbon source is reduced by reasonably utilizing the own carbon source in the sewage, and the purposes of reducing cost and saving energy are achieved.

The present application relates to sewage treatment technical field, specifically to a kind of acrylonitrile sewage treatment device, comprising: microbial purification tank, exhaust mechanism, the exhaust mechanism has two and symmetrically set in the two sides of the inner wall of microbial purification tank width direction, the exhaust mechanism includes the cavity plate fixedly connected in the inner wall of microbial purification tank. By cavity plate, partition block and air separation assembly in exhaust mechanism, air can be injected and extracted into microbial purification tank, so as to provide corresponding purification environment for aerobic microorganism or anaerobic microorganism to purify sewage, and then realize that when injecting air, air exposure area and immersion area can inject air into microbial purification tank simultaneously to provide sufficient oxygen for aerobic microorganism to purify sewage, help its efficient decomposition of pollutants in sewage, while when extracting air, air separation assembly disconnects the communication of air exposure area and immersion area, so that suction airflow is only discharged from air exposure area, avoid sewage from flowing out with cavity plate, while avoiding suction airflow from immersion area to interfere with anaerobic environment in tank.

The application relates to a wastewater treatment device and a wastewater treatment equipment, which comprise a plurality of wastewater treatment components arranged in an anaerobic reaction tank according to a preset arrangement mode, wherein the wastewater treatment component comprises an inner electrode layer in a ring column structure, an isolation medium layer and an outer electrode layer which are sequentially arranged outside the periphery of the inner electrode layer; the outer electrode layer is used for stimulating anaerobic microorganisms in the anaerobic reaction tank to degrade and treat the to-be-degraded substances in the wastewater in the anaerobic reaction tank under the condition of being connected with the positive pole of a power supply, so as to release the electrons and protons in the to-be-degraded substances; the inner electrode layer is surrounded by a cavity, and the inner electrode layer is used for being connected with the negative pole of the power supply, so that the electrons, the protons and the dissolved oxygen of the wastewater entering the cavity can carry out a reduction reaction in the cavity. The wastewater treatment device and the wastewater treatment equipment provided by the application have higher wastewater treatment efficiency.

The utility model relates to a deoxygenization device for an anaerobic microorganism reactor. The deoxygenization device comprises an argon bottle, a reactor, a test tube, a vacuum pump, a pressure meter, a first glass tube, a second glass tube and a three-way scavenging valve, one end of the first glass tube is connected with the argon bottle, the other end of the first glass tube is connected with the test tube, a first opening is formed in the middle section of the first glass tube, and the first opening is connected with the three-way scavenging valve; one end of the second glass tube is connected with the three-way scavenging air valve, the other end of the second glass tube is connected with the vacuum pump, a second opening is formed in one end, connected with the vacuum pump, of the second glass tube, and the second opening is connected with the pressure gauge; and the three-way scavenging air valve is also connected with the reactor. According to the anaerobic microorganism reactor, reaction liquid in the reactor does not need to be preheated, and oxygen is removed under the condition that the activity of microorganisms is not influenced, so that the anaerobic microorganism reactor can normally react.

The invention discloses a method for independently recovering phosphate and nano zero-valent iron through anaerobic fermentation of excess sludge. The method comprises the following steps: adding the excess sludge into an anaerobic reactor, electrifying a cathode plate and an anode plate in the anaerobic reactor, keeping for a period of time, carrying out anaerobic fermentation on anaerobic microorganisms in the excess sludge, enabling phosphorus elements in the excess sludge to enter supernate, reducing the iron element in the residual sludge on the cathode plate to generate nanoscale zero-valent iron, and separating the supernate from the cathode plate after electrifying is finished; the electrifying condition is as follows: the control voltage is 1.5-5.0 V. According to the method disclosed by the invention, the release of phosphate in the supernate and the electrochemical reduction of Fe on a cathode plate can be realized to generate the nano zero-valent iron. Meanwhile, the anaerobic fermentation process is not affected in the electrifying stage, and the ratio of acetic acid in volatile acid is increased.

An object of the present invention is to provide an organic waste treatment apparatus, an operation method thereof, and an organic waste treatment method capable of preventing an increase in the number of anaerobic digestion tanks and an adverse effect on a water treatment facility and recovering a large amount of resources including biogas from a sewage treatment plant even in a higher organic matter load (input of a large amount of dehydrated cake) than before by increasing the efficiency of an anaerobic digestion process.SOLUTION: The organic waste treatment apparatus of the present invention comprises an anaerobic digestion tank for producing digested sludge by methane fermentation of slurry-like organic waste with anaerobic microorganisms, a solid-liquid separation device for separating the digested sludge in the anaerobic digestion tank into concentrated sludge and separated liquid, and an electrodialysis device for separating desalted liquid by electrodialysis of the separated liquid with an ion exchange membrane, wherein the separated liquid is introduced into the anaerobic digestion tank.SELECTED DRAWING: Figure 1

This invention relates to the field of sludge treatment technology and discloses a method for dealkalizing red mud using microorganisms, comprising the following steps: (1) adding anaerobic granular sludge and nutrient solution to a reaction vessel containing red mud slurry; (2) continuing to add nutrient solution to the reaction vessel, mixing and stirring, and allowing it to stand and separate into layers to obtain a supernatant, and measuring the pH value of the supernatant; wherein, the solute of the nutrient solution is a carbon source, and the solvent is effluent from the anaerobic reactor; (3) taking the supernatant and returning the taken-out supernatant to the anaerobic reactor; (4) repeating steps (2)-(3) until the pH value of the supernatant is stable. This invention utilizes the organic acids released during the degradation of organic matter by anaerobic microorganisms of a complex bacterial community to neutralize the alkali in red mud, reduce the pH of the red mud, simplify the microbial dealkalization process of red mud, and the red mud dealkalized by this method has a near-neutral pH and remains stable.

The application discloses an anaerobic microbial degradation polypropylene non-woven fabric and a preparation method thereof. The non-woven fabric is prepared from raw materials containing the following components: polypropylene resin, modified chitosan, activated carbon, nano-Fe3O4, modified nano-SiO2, hyperbranched polysiloxane and maleic anhydride grafted polypropylene. The modified chitosan, activated carbon, nano-Fe3O4 and modified nano-SiO2 are in-situ compounded by the hyperbranched polysiloxane to form an anaerobic degradation functional composite filler. The modified chitosan, activated carbon, nano-Fe3O4 and modified nano-SiO2 are pre-compounded by the hyperbranched polysiloxane to form the anaerobic degradation functional composite filler. The anaerobic degradation functional composite filler can be uniformly dispersed in the polypropylene resin, so that the non-woven fabric has good processability, and the prepared non-woven fabric has stable performance in the use stage and can be quickly and efficiently degraded in an anaerobic environment after being discarded.

The invention belongs to the technical field of sludge treatment, and provides a method and a system for strengthening sludge cracking and producing medium-chain fatty acid. The method comprises the following steps: concentrating sludge, mixing the concentrated sludge with halogenated hydantoin, and cracking to obtain cracked sludge; and carrying out two-stage fermentation treatment on the cracked sludge to obtain the medium-chain fatty acid. According to the method, halogenated hydantoin is adopted as a pretreatment agent for cracking the sludge, and through spontaneous combination of halogenated hydantoin molecules and the sludge extracellular polymeric substances, tight combination type extracellular polymeric substances and cell walls are remarkably oxidized and damaged; meanwhile, hypochlorous acid is slowly released to maintain a proper oxidative stress effect to stimulate the biological metabolism effect of anaerobic microorganisms, hydrolysis and acidification of organic matters are promoted, and a large number of electron acceptors are provided for microorganisms participating in carbon chain extension to produce MCFA subsequently. The method is simple, low in cost, small in medicament demand and beneficial to promoting efficient resource utilization of the sludge.

The utility model relates to the technical field of sewage treatment, and discloses an AO biochemical treatment tank for treating sewage, which comprises a treatment tank body, a water distribution aeration part and a stirring inner wall cleaning part, and an anaerobic tank and an aerobic tank are respectively arranged in the treatment tank body. According to the utility model, the water distribution pipe is communicated with the communicating block and the water inlet connecting pipe, so that sewage can be uniformly distributed to each area of the anaerobic tank, and organic matters in the sewage can be in full contact with anaerobic microorganisms, so that an anaerobic reaction can be effectively carried out in the whole anaerobic tank; the situation that the treatment effect is poor due to the fact that the concentration of sewage in a local area is too high or too low is avoided, an air blower is connected with an aeration ring pipe through a connecting bent pipe and a connecting pipe, air is conveyed into an aerobic tank, aeration heads on the aeration ring pipe can evenly release the air into the sewage in the form of tiny bubbles, oxygen is provided for aerobic microorganisms, and the treatment effect is improved. The oxygenolysis of aerobic microorganisms on organic matters in the sewage is promoted.

The utility model relates to the technical field of bio-organic fertilizer storage, and discloses a bio-organic fertilizer storage bin which comprises a bin body, two connecting ports are formed in the top of the bin body, a drying and deodorizing mechanism is arranged at the tops of the connecting ports, the drying and deodorizing mechanism comprises a shell, the bottom of the shell is fixedly connected to the tops of the connecting ports, and the bottom of the shell is fixedly connected to the tops of the connecting ports. The interior of the shell is fixedly connected with a drying assembly, the top of the shell is fixedly connected with a deodorization cavity, the exterior of the deodorization cavity is fixedly connected with a water pump, and the outer side of the deodorization cavity is fixedly connected with a connecting guide pipe. According to the utility model, the reaction efficiency of the weak acid solution and the ammonia gas is higher, the generated ammonium sulfate can be recycled through the water tank at the bottom, waste recycling is realized, the temperature of inlet gas is increased by heating the porcelain plate, the relative humidity of air is reduced, anaerobe breeding and organic matter spoilage and stinking are inhibited, and zero leakage of odorous gas is ensured; meanwhile, external dust is prevented from flowing backwards to pollute materials.

This utility model discloses a novel anaerobic water distribution pipe structure for wastewater treatment, relating to the field of anaerobic treatment technology. It includes a main pipe, which is rectangular and connected end-to-end. Flexible pipes are connected to both sides of the main pipe, with the lower ends of the flexible pipes extending into the water distribution pipe. The water distribution pipe is welded to the anaerobic tank. A butterfly valve is connected in series at the connection between the flexible pipe and the main pipe. In this utility model, the main pipe is rectangular overall, but the water flow inside is circular. The single-point flow rate and flow velocity of the circular water distribution are relatively small, resulting in a significantly less impact on the sludge layer at the bottom of the tank compared to centralized water distribution. This helps maintain the stability of the sludge bed, reduces sludge loss or floating, and ensures the activity and population balance of anaerobic microorganisms. When one shut-off valve is opened, water can flow from one side to the other for distribution; when both shut-off valves are opened, water can flow simultaneously from both sides towards the inner end, thus achieving a rapid and uniform water distribution effect.

The embodiment of the application discloses a method for treating microplastics and benzothiazole pollutants by electric stimulation and anaerobic microorganisms, relates to the technical field of environmental pollution treatment, and can effectively improve the treatment effect and efficiency of pollutants. The method comprises the following steps: arranging an anode and a cathode in a treatment medium containing microplastics and benzothiazole pollutants at a preset interval, wherein the treatment medium also contains anaerobic microorganisms; adding an electrolyte to the treatment medium and adjusting the electrolyte to a preset conductivity; connecting the anode and the cathode to a direct current power supply and applying a preset voltage to the treatment medium, and electrically stimulating the treatment medium at a preset temperature for a preset time. The application is suitable for pollution treatment scenes.

The utility model provides a dry type anaerobic fermentation tank temperature adjusting device which comprises a hot water boiler, the hot water boiler is connected with a fermentation tank through a first pipeline, a second pipeline is further connected between the fermentation tank and the hot water boiler, the second pipeline is a backflow pipeline, the first pipeline is connected with a suction pump, and the second pipeline is connected with a second pipeline. An integrated heating pipe is arranged at the position, close to the middle, of the upper portion of the first pipeline. Compared with the prior art, the utility model has the following beneficial effects: the initial heating temperature of the electric heating wire is 53 DEG C, water passing through the electric heating wire area can be heated, if the detection temperature of the subsequent temperature sensor II does not reach the standard, the electric heating wire can be controlled to continuously heat until the temperature required by the fermentation tank is reached, and the water is discharged into the fermentation tank; and then a pipeline II is matched to carry out backflow, so that a proper temperature is provided to ferment anaerobic microorganisms.

This invention belongs to the field of wastewater treatment and resource utilization technology, and particularly relates to a system and method for low-energy anaerobic-gravity membrane wastewater resource utilization treatment. The system includes: a pretreatment unit, an anaerobic biofilm tank unit, a gas-liquid separation and flow stabilization unit, a gravity-driven membrane bioreactor unit, and a permeate reuse unit, all connected in series. The anaerobic biofilm tank unit is also connected to a biogas collection unit and a sludge treatment unit. After pretreatment, wastewater enters the anaerobic biofilm tank, where anaerobic microorganisms degrade organic pollutants and produce biogas. The anaerobic effluent, after gas-liquid separation and flow stabilization, enters the gravity-driven membrane bioreactor unit. Low-energy membrane separation is achieved by relying on the natural transmembrane pressure difference formed by the liquid level difference. The permeate is disinfected and reused, while the biogas and residual sludge are utilized for resource recovery. This invention eliminates the need for high-energy-consuming suction pumps and aeration systems, reducing operating energy consumption, and enables the resource utilization of biogas and residual sludge.

The present application relates to a kind of enhanced denitrification and phosphorus removal sewage treatment device, including the anaerobic pool, anoxic pool, first composite biochemical pool and second composite biochemical pool connected in sequence, first composite biochemical pool is equipped with several composite biological carrier components, and is equipped with first aeration pipe;Second composite biochemical pool is equipped with several MABR membrane components;Anaerobic pool is equipped with first exhaust pipe, and the gas outlet end of first exhaust pipe is equipped with several first branch pipe;Anoxic pool is equipped with second exhaust pipe, and the gas outlet end of second exhaust pipe is equipped with several second branch pipe, and first branch pipe and second branch pipe are connected first aeration pipe and several MABR membrane components respectively;Composite biological carrier component surface load aerobic microorganism, and the membrane filament surface of MABR membrane component is loaded aerobic microorganism, anoxic microorganism and anaerobic microorganism from inside to outside, realizes simultaneous nitrification and denitrification.

The invention belongs to the technical field of industrial wastewater treatment, and relates to a wastewater anaerobic treatment system scale prevention and nutrition supplement cooperative treatment method and a wastewater anaerobic treatment system scale prevention and nutrition supplement cooperative treatment system. A long-chain structure of sodium hexametaphosphate can efficiently inhibit formation of calcium carbonate scale through a threshold effect and a lattice distortion effect, and meanwhile, the sodium hexametaphosphate can be slowly hydrolyzed in an anaerobic acid environment, orthophosphate ions are gradually released, and stable and continuous phosphorus source nutrition is provided for anaerobic microorganisms, so that in the anaerobic treatment process of the papermaking wastewater, the phosphorus source content of the papermaking wastewater is increased. And the dual goals of scale prevention and nutrition supplement are achieved.

The application discloses a kind of for tungsten wire wire cutting silicon wafer full-process wastewater treatment method, including cutting fluid wastewater into wastewater conditioning tank homogenization after entering anaerobic biological treatment unit, most of organic matter in wastewater is degraded and removed by anaerobic microorganism;Effluent enters fenton processing unit, part of refractory organic matter enters fenton reactor, and under the strong oxidation of hydroxyl radical, chain is broken, and fenton effluent enters comprehensive conditioning tank;At the same time, degumming and wafer cleaning wastewater adopts coagulation sedimentation and high-efficiency dissolved air flotation;Cutting fluid wastewater and degumming and wafer cleaning wastewater after respective pretreatment unit, with domestic wastewater and ROR concentrated water are mixed evenly and enter hydrolysis acidification tank;Finally, further reduce COD by aerobic microbial flora, and effluent is realized stable discharge after air floatation advanced treatment.This application has the advantages of simplifying process flow, saving investment and operating cost, improving wastewater treatment efficiency and effect, and ensuring the smooth discharge of wastewater.

The present invention addresses the problem of providing an anaerobic treatment apparatus and an anaerobic treatment method, with which it is possible to improve treatment efficiency and to stabilize the treatment by easily forming a uniform flow in an anaerobic treatment tank when performing an anaerobic treatment using the anaerobic treatment tank.　In order to solve the problem, the present invention provides an anaerobic treatment apparatus and an anaerobic treatment method therefor, the anaerobic treatment apparatus comprising: an anaerobic treatment tank; an introduction part for introducing water to be treated into the anaerobic treatment tank; and a fluid dispersion part for dispersing the water to be treated, which has been introduced into the anaerobic treatment tank through the introduction part, in the anaerobic treatment tank.　According to the present invention, the flow (in particular, the upward flow) of the water to be treated inside the anaerobic treatment tank can be easily made uniform. As a result, anaerobic microorganisms can be kept at a high concentration in the anaerobic treatment tank, and a state in which the anaerobic microorganisms (or carriers to which the anaerobic microorganisms are adhered) and the water to be treated are efficiently brought into contact with each other can be formed and maintained, and thereby the treatment efficiency can be improved and the treatment can be stabilized.

The invention relates to integrated ship traffic wastewater treatment equipment and process. The integrated ship traffic wastewater treatment equipment comprises a box body and a plurality of partition plates, the partition plate is arranged in the upper area of the box body and divides the upper space of the box body into a water inlet unit, an aerobic unit, an oxygen limiting unit, a nitrogen and phosphorus removal unit and a precipitation unit which are sequentially arranged in the transverse direction; an anaerobic unit is formed in the lower space, below the partition plate, in the box body; all the units are sequentially communicated through flow guide channels, and sewage enters from the water inlet unit, sequentially flows through the anaerobic unit, the aerobic unit, the limiting unit, the nitrogen and phosphorus removal unit and the precipitation unit and then is discharged. The integrated box body vertically / transversely integrates a plurality of process units, and adopts a vertical layered layout of'bottom anaerobic + upper aerobic / limited oxygen ', so that the integration of the plurality of process units can be realized in a limited occupied area, a narrow installation space of a ship is adapted, meanwhile, the interference of shaking of the ship in navigation on anaerobic microbial florae is reduced, and the anaerobic treatment efficiency is maintained.

This invention belongs to the field of composting technology, and specifically relates to a composting method and application for coordinated reduction of greenhouse gases and odors and accelerated composting. The composting method for coordinated reduction of greenhouse gases and odors and accelerated composting of this invention includes the following steps: (1) mixing composting raw materials with plant tannins to obtain compost material; (2) fermenting the compost material, turning the pile, and when the temperature of the compost material drops to room temperature and remains stable, the material is matured, completing the composting process. Plant tannins include at least one of bayberry tannin, larch tannin, oak tannin, vitex bark tannin, and chestnut tannin. This invention uses plant tannins as an additive and utilizes a fermentation process to allow microorganisms to react with the plant tannins, which to a certain extent inhibits the growth of anaerobic microorganisms and provides humic precursors to accelerate composting, thereby reducing odors and accelerating composting. This invention is simple and easy to implement, and plant tannins are widely available and inexpensive, enabling large-scale production and application.

The utility model provides a laboratory anaerobic microorganism culture jar. Laboratory anaerobic microorganism culture jar includes: bottom plate, limiting assembly, limiting assembly installs in the position of the top of bottom plate near one side, the top of limiting assembly is installed with jar body, the bottom of jar body inner wall is installed with filling frame, the top of filling frame is installed with breathable lid, the outer surface of jar body is installed with detector through fixed base, the outer surface of jar body is installed with thermometer, the top of jar body is fixedly connected with sealing structure, the top of sealing structure is installed with jar cover, the position of the top of jar cover near the outer surface is installed with three clamping components. The utility model provides laboratory anaerobic microorganism culture jar, through the design simplification structure reduces the cost, makes anaerobic microorganism culture jar applicable to small and medium-sized laboratory, guarantees the anaerobic environment in culture jar in the process of culture simultaneously, to reach the requirement of microorganism anaerobic culture.