82results about How to "Sync removal" patented technology

The invention discloses a small oscillating grain hulling machine, which comprises a frame, an oscillating mechanism, a screening mechanism and an air outlet mechanism. The air outlet component and the damper component drive the vibration component to run through the driving component. After the vibration component pushes the screening net in the screening component to a high place, the screening net drops rapidly by gravity, throws the grain on the screening net into the air, and is removed by the wind component. Light impurities such as chaff in the grain, and then the grain is returned to the screening net, and the granular impurities in the grain are screened and removed by the screening net. Repeat this process to completely remove the chaff impurities and granular impurities in the grain, and improve the screening efficiency.

The invention discloses an electrolysis induction and ozone floatation integrated device. The device comprises an electric flocculation core barrel, an ozone floatation/catalytic oxidation zone, a water outlet barrel and a scum zone, wherein waste water accomplishes destabilization agglomeration in the electric flocculation core barrel; hydrogen peroxide is added to the upper part of the electric flocculation core barrel, so as to form a Fenton oxidation system with iron ion in the water; the ozone floatation/catalytic oxidation zone is connected with the top of the electric flocculation core barrel; waste water forms an ozone/hydrogen peroxide/iron ion ozone catalytic oxidation system in the ozone floatation/catalytic oxidation zone; refractory organics are further removed through oxidation; flotation process is further accomplished in ozone gas dissolved water under the action of microbubbles; the water outlet barrel is communicated with the bottom of the ozone floatation/catalytic oxidation zone, and ensures that the ozone floatation/catalytic oxidation zone has certain liquid level; the scum zone is positioned at the tops of the electric flocculation core barrel and the ozone floatation/catalytic oxidation zone, and stores and eliminates ozone floatation scums. The device can synchronously and efficiently remove various pollutants, such as SS, emulsified oil, chroma and the soluble refractory organics, only through a stable power supply and necessary hydrogen peroxide supply, and is simple to operate, and low in operation and maintenance costs.

The invention discloses a composite reaction medium for removing nitrogen and phosphorus from underground water permeable reactive barriers and a method for preparing the composite reaction medium. The composite reaction medium comprises, by weight, 1.0-3.0 parts of zeolite, 0.7-1.3 parts of bentonite, 0.5-1.5 parts of attapulgite and 1.0-6.0 parts of coal cinder. The zeolite, the bentonite, the attapulgite and the coal cinder are sintered to obtain the composite reaction medium. The composite reaction medium and the method have the advantages that the nitrogen and the phosphorus can be synchronously, efficiently and quickly removed by the composite reaction medium, the composite reaction medium can be used as a biological carrier, accordingly, shortcomings of instability of biological phosphorus removal, large quantity of mud due to chemical phosphorus removal and the like can be overcome, and detour flow of water at the fronts of the barriers and the like can be prevented.

The invention discloses an efficient nitrogen and phosphorus removal method for sewage properties-classified treatment in a highway service area. The efficient nitrogen and phosphorus removal method includes that toilet flushing sewage in the highway service area flows into a septic tank to be treated, the sewage in the septic tank sequentially flows through an adjusting tank (1), a nitration tank (1), a settling tank (1), a denitrification tank (1), a denitrification tank (2), a nitration tank (2) and a settling tank (2), and when effluent in the settling tank (2) reaches the standard, the effluent is discharged; simultaneously, catering sewage flows into an oil separation tank to be treated, and the sewage in the oil separation tank flows into an adjusting tank (2); the catering sewage and the toilet flushing sewage share the denitrification tank (1) and the denitrification tank (2), and the treatment method of the catering sewage flowing into the denitrification tank (1) or the denitrification tank (2) is identical to that of the toilet flushing sewage flowing into the denitrification tank (1) or the denitrification tank (2); simultaneously, other sewage flows into the adjusting tank (1) or the adjusting tank (2); if the other sewage flows into the adjusting tank (1), the treatment method of the other sewage flowing into the adjusting tank (1) is identical to that of the toilet flushing sewage flowing into the adjusting tank (1); and if the other sewage flows into the adjusting tank (2), the treatment method of the other sewage flowing into the adjusting tank (2) is identical to that of the catering sewage flowing into the adjusting tank (2).

The invention discloses a bifunctional group MOFs material and a preparation method and application thereof, and belongs to the field of sewage treatment of nanometer composite functional materials. For the problems that existing MOFs materials cannot simultaneously remove anion and cation pollutants in water, the regeneration rate after adsorption is low, the regeneration effect is not ideal, andsecondary pollution is easily caused in the regeneration process, the bifunctional group MOFs has a carboxylic acid functional group and a tertiary amine group at the same time and can simultaneouslyremove anions and cations in the water; after adsorption is completed, the material is treated at a certain temperature, and the purposes of environmental protection and regeneration can be achieved.The preparation method is simple in process, easy to operate, environmentally friendly and free of pollution.

The invention provides a synchronous sewage denitrification and desulphuration method for a microbial fuel cell. The synchronous sewage denitrification and desulphuration method comprises the following specific steps: constructing a double-chamber type microbial fuel cell and setting a nitration reactor outside the microbial fuel cell; firstly pumping sewage containing sulfides and ammonia nitrogen into an anode chamber of the microbial fuel cell, eliminating sulfur pollution by utilizing self-power generation electrochemical action and microbial metabolism and transmitting generated electrons to a cathode through an external circuit; firstly enabling anode effluent of the microbial fuel cell to pass through the external nitration reactor so as to oxidize the ammonia nitrogen into nitrate nitrogen, and then enabling the anode effluent to enter a cathode chamber of the microbial fuel cell; removing nitrogen pollution by using the electrons transmitted from the external circuit as electron donors through microorganisms inside the cathode chamber; and generating a current in the external circuit in the process that the electrons are transmitted to the cathode through the external circuit from the anode so as to realize electric energy recycling. According to the method, synchronous denitrification and desulphuration of sewage containing nitrogen and sulfur is realized through the microbial fuel cell, and the method has the advantages of saving additional chemical agents, recycling electric energy and the like.

The present invention provides a kind of air lifting circular flow filter with composite filter material, and belongs to the field of high efficiency bioreactor for water resource protection. The filter has both outer circulation structure and inner circulation structure, switching valve for alternate air supply to two aerators so as to obtain altered circular flow, and composite filter material operating alternately in the ascending area and the descending area to optimize operation environment. It operates in a biomembrane plus filtering process to eliminate organic matter and ammonia nitrogen simultaneously. The present invention is superior in management and treating effect, and may become new generation of bioreactor to replace available aerobic biofilter and air-lift circular fluidizing bed.

The invention relates to an integration technology for synchronous removal of a plurality of heavy metal ions by use of structure state iron; pretreated heavy metal wastewater is introduced into a structure state iron-vertical multistage reaction system, the suitable reactor stage is adopted according to properties of the wastewater and kinds and concentrations of heavy metals in the wastewater; a medicament and the wastewater are fully contacted and mixed for reaction in a mixing reaction pool in the manner of countercurrent mixing, then the solution enters into a sedimentation tank of a reactor of the stage to achieve solid-liquid separation; after separation, the supernatant is detected, until the supernatant achieves discharge standard, the effluent is discharged; if the effluent does not achieve the discharge standard, the effluent continues to enter into a reactor of next stage for repeated wastewater treatment, until the effluent achieves the discharge standard; the medicament is the structure state iron. The structure state iron-vertical multistage reaction system includes a rapid mixing pool, a slow mixing pool, a pretreatment sedimentation tank and a multistage pretreatment reactor, has the advantages of simple operation, capability of continuously performing multi-stage reaction, small occupation area, high treatment efficiency, and short reaction time, can simultaneously remove the heavy metals, reduces the application cost, and has promotion and application prospect.

A method for low-consumption co-treatment of flue gas desulfurization wastewater and ammonia-nitrogen wastewater comprises steps as follows: (1) flue gas desulfurization wastewater containing sulfateand ammonia-nitrogen wastewater are guided into a mixing tank to be mixed; (2) the pH and the temperature of mixed wastewater are adjusted in the mixing tank; (3) firstly, a biological reaction tank is inoculated with cultured activated sludge, the mixed wastewater is introduced from the mixing tank, microorganisms in the activated sludge take ammonia nitrogen as an electron donor in the biological reaction tank, sulfate is reduced to elemental sulfur, besides, ammonia nitrogen is oxidized into nitrogen, and synchronous removal of sulfur and nitrogen is realized. The problems that the water quality of the flue gas desulfurization wastewater hardly reaches the standard after treatment with conventional physical and chemical methods, the biodegradability is poor and biological treatment is difficult are solved, and co-treatment of two kinds of wastewater is realized.

The invention discloses a sequencing batch reactor which comprises a reactor body, a sensor, a regulator and a filler. The regulator regulates the working state of the reactor body according to the signal of the sensor; the diameter of the filler is 2-5 cm, the specific area is 180-250 m<2>/m<3>, and the total volume accounts for 30%-80% of the total volume of the reactor body. A method for culturing a biological membrane on the sequencing batch reactor comprises the following steps of firstly inoculating aerobiotic active sludge into the sequencing batch reactor; then pumping sewage into the sequencing batch reactor, and then introducing air; and finally precipitating to obtain the needed biological membrane. A method for synchronously removing nitrogen, phosphorus and organic substances which are contained in the sewage comprises the following steps of firstly pumping the sewage into the sequencing batch reactor; then standing for reaction, and then carrying out aeration treatment; finally discharging precipitations. The sequencing batch reactor disclosed by the invention can be used for synchronously removing the nitrogen, the phosphorus and the organic substances which are contained in the sewage and has the advantages of compact structure and low energy consumption. The method for culturing the biological membrane can obtain the light yellow biological membrane of 0.5-2 mm.

The invention discloses a double-tank artificial rapid infiltration system and method used for high-efficiency denitrification of sewage with a low C/N ratio. The system comprises a water inlet box, an artificial rapid infiltration tank 1, an artificial rapid infiltration tank 2 and a water outlet box; a magnetic field is arranged in the artificial rapid infiltration tank 1, the artificial rapid infiltration tank 1 is inserted into the artificial rapid infiltration tank 2, and the bottom of the artificial rapid infiltration tank 1 communicates with the artificial rapid infiltration tank 2; andthe sewage passes through the water inlet box, and passes through a water distribution zone, a gravel zone 1, a filter material zone 1, a gravel zone 2, a water collection zone, a gravel zone 3, a filter material zone 2 and a gravel zone 4 in sequence, and treated water enters the water outlet box. According to the method provided by the invention, the magnetic field is added in the artificial rapid infiltration tank 1, and through repeated fluctuation of water inflow and fall drying time and coordinated regulation and control of the magnetic field, integrated partial short-cut nitrificationand anaerobic ammonia oxidation denitrification are realized; and the system and method provided by the invention have the advantages of short starting time, high denitrification efficiency, no production of excess sludge, low operating costs, simple convenient and flexible operation, a small floor space and no secondary pollution.

The invention discloses an electrocatalytic oxidation-biochemical coupling method for treating high-salinity high-concentration organic wastewater and relates to the technical field of sewage treatment. The method comprises the following steps: pretreating high-salinity high-concentration organic wastewater and discharging first-stage organic wastewater; treating the first-stage organic wastewaterin an electrocatalytic oxidation mode and discharging second-stage organic wastewater; biochemically treating the second-stage organic wastewater until the second-stage organic wastewater reaches a standard and is discharged. According to the method disclosed by the invention, electrocatalytic oxidation and a biochemical treatment technology are coupled, so that high-efficient treatment on the high-salinity high-concentration organic wastewater is achieved; furthermore, in an electrocatalytic oxidation process, the characteristic that the concentration of chlorine ions in the high-salinity organic wastewater is high is fully utilized, high-efficient reclamation on the chlorine irons is achieved, and the chlorine ions are activated into chlorine activity free radicals when electrified to degrade pollutants.

An ultrafiltration membrane and a preparation method thereof are provided. The ultrafiltration membrane comprises a cavity composed of a sulfone-based polymer film matrix and an organic polymer encapsulation layer, wherein the cavity comprises nano-adsorbent. The preparation method comprises following steps: (1) synthesis of nano-adsorbent;(2)preparing the sulfone-based polymer film matrix by immersion-sedimentation phase transformation method; (3) filling from the bottom of the sulfone-based polymer film matrix with the nano-adsorbent, and using organic polymer to encapsulate after filling to obtain a multifunctional ultrafiltration membrane.

The invention relates to an amino-rich magnetic nanoparticle demulsifier preparation and an application method thereof in treating a waste emulsion. Magnetic nanoparticle demulsifier makes polyethyleneimine branched molecules fixed to the surface of a magnetic core, and a large number of effective action sites are provided for the emulsion. The method for treating the waste emulsion particularly comprises the steps that a magnetic nanoparticle demulsifier suspension is added in the waste emulsion, the mixture is fully mixed to be uniform, and oil-water separation is conducted by means of a magnetic field. By means of the simple method, the novel magnetic nanoparticle demulsifier is synthesized, efficient and rapid demulsification of emulsions with different compositions and properties is achieved, the operation condition is simple, the application range is wide, and industrial application is easy. The treatment scheme is particularly suitable for the waste emulsion generated in the machining process.

The invention discloses a pre-charge spraying desulfurization and dust removal device which is applied to the technical field of coal-fired flue gas desulfurization and dust removal. The pre-charge spraying desulfurization and dust removal device comprises a tower body, wherein the bottom of the tower body is connected with a gas inlet pipe and a liquid outlet pipe, and the top of the tower body is connected with a gas exhaust pipe correspondingly; a plurality of spraying heads are arranged in the tower body; a pre-charge needle is arranged at the front end of each spraying head and is connected with a high-voltage power supply through a cable; a high-pressure air pipeline is connected to a spraying pipe of the spraying heads and is connected with a high-pressure air compressor; the spraying heads are connected with an absorption liquid pipeline; a valve is arranged on the absorption liquid pipeline and is connected with an absorption liquid conveying pump; the absorption liquid conveying pump is connected with an absorption liquid preparation pool through a pipeline; a demister is arranged above the spraying heads. The pre-charge spraying desulfurization and dust removal device can be used for synchronously removing sulfur dioxide and fine particulate matters in coal-fired flue gas, and is high in efficiency and low in cost.

The invention discloses a deep treatment method for thallium-containing wastewater of an electronic product manufacturing and metallurgical process. The method disclosed by the invention is used for treating the wastewater, of which the initial thallium content is lower than 1.6mg/L, and comprises the following specific steps: (1) dosing a biological preparation to the thallium-containing wastewater generated from the electronic product manufacturing and metallurgical process, carrying out a reaction for 15 to 30 minutes, and then, carrying out standing; (2) dosing a chemical coagulation precipitant into the wastewater, adjusting the pH of the wastewater to 10 to 12 during coagulative precipitation, carrying out a reaction for 15 to 30 minutes, and then, carrying out filtration; (3) adding a coagulation adsorbent into the filtrate obtained in the step (2), carrying out a stirred reaction for 15 to 30 minutes, and then, carrying out filtration, thereby obtaining the thallium-containing wastewater which can be discharged after reaching standard. The method disclosed by the invention can also be used for synchronously treating other heavy-metal ions contained in the thallium-containing wastewater. According to the method, the method can be implemented through carrying out reforming on the existing facilities, the cost of investment can be reduced greatly, the process is simple, the operation is stable, and the application prospect of industrialization is broad.

The invention discloses sludge treatment filler and a preparation method thereof. The filler is prepared from components in parts by mass as follows: 15-25 parts of ceramsite, 13-15 parts of talc powder, 6-8 parts of organic matter, 6-8 parts of humic acid, 15-25 parts of limestone, 6-10 parts of gypsum, 6-8 parts of basalt particles, 1-3 parts of a porous suspension, 10-12 parts of Mengmoli pumice, 10-12 parts of fly ash, 13-15 parts of activated sludge and 1-2 parts of an oxidizing agent. Electron and proton transfer is promoted by using a porous carrier with conductivity, and organic pollutants and nitrogen-containing pollutants in sewage can be synchronously and efficiently removed.

The invention discloses a treatment method for synchronously removing total phosphorus and nickel in wastewater. A device used in the method mainly comprises a sequencing batch chemical reactor, an ozone supply system, a dosing system and an automatic control system. Wastewater enters the sequencing batch chemical reactor; hypophosphite radicals, phosphite radicals and pyrophosphite radicals in the wastewater are oxidized into orthophosphate radicals by utilizing ozone; meanwhile, complex nickel is subjected to complex breaking, and then alkali is added to adjust a pH value to 11.0-11.5; a coagulant, a coagulant aid and other chemical agents are added for enhanced coagulating sedimentation; a supernatant is discharged into a subsequent sewage treatment system; and sediments are dischargedinto a sludge treatment system. According to the method, the hypophosphite radicals, the phosphite radicals and the pyrophosphite radicals in the wastewater are fully oxidized into the orthophosphateradicals by utilizing ozone, complex nickel breaking is synchronously completed, and total phosphorus and nickel are synchronously and efficiently removed in the same reactor, so total phosphorus andnickel after treatment of short-process chemical nickel-plating wastewater, anodic oxidation surface treatment wastewater and mixed discharge wastewater of an electroplating industrial park stably reach discharge standards.

A method of treating coal mine wastewater by synergy of sulfate-reducing bacteria and spontaneous combustion gangue belongs to the field of wastewater treatment and comprises: screening spontaneous combustion gangue samples to obtain spontaneous combustion gangue powder having particle size of 0.074-0.600 mm, and drying; with wastewater sediment as activated sludge, performing enrichment culture with Postgate medium in an anaerobic environment to obtain an SRB (sulfate-reducing bacteria) strain in logarithmic phase, and centrifuging to obtain an SRB suspension; adding the spontaneous combustion gangue powder and the SRB suspension into Postgate medium having no Fe2+, sealing the liquid, culturing in a thermostatic vibrating culture tank at 30-35 DEG C for 5-7 days to obtain a sulfate-reducing bacteria and spontaneous combustion gangue sample, adding the sulfate-reducing bacteria and spontaneous combustion gangue sample into coal mine wastewater at 30-35 DEG C, and performing wastewatertreatment. The method that treats coal mine wastewater by synergy of microorganisms and spontaneous combustion gangue can help reduce environment pollution due to coal mine wastewater and solve the coal gangue piling problem and has a good application prospect.

The invention provides an efficient filler for sewage treatment. The efficient filler is prepared from the following components including activated carbon, polyether polyol, muck, a silicone surfactant, diatomite, anaerobic digestion bacteria, microorganism bacterium powder and distilled water. A preparation scheme of the efficient filler comprises the following steps: weighing the polyether polyol, the muck, the silicone surfactant and the diatomite according to a ratio, mixing with water, stirring with a low speed by virtue of a stirrer, and slowly adding the activated carbon after weighing in a mixed liquid; and increasing the stirring speed until the mixed liquid and the activated carbon are fully mixed, and adding the anaerobic digestion bacteria and the microorganism bacterium powder after weighing.

The invention discloses a process for producing methane and blue iron ore and recovering sulfur through anaerobic digestion of bioelectrochemical sludge, and belongs to the field of anaerobic treatment of sludge. The process comprises a bioelectrochemical digestion reactor, a first EGSB reactor, a second EGSB reactor, a coagulation inclined plate sedimentation tank and a magnetic cyclone; wherein the two ends of the bioelectrochemical digestion reactor are communicated with the magnetic cyclone and the first EGSB reactor respectively, one end of the first EGSB reactor is communicated with an adjusting tank, one end of the adjusting tank is communicated with the second EGSB reactor, and one end of the second EGSB reactor is communicated with a V-shaped recovery tank. According to the invention, the technologies of producing the blue iron ore through anaerobic digestion of the sludge, reducing sulfate, performing sulfur autotrophic denitrification and performing anaerobic ammonia oxidation are integrated to treat residual sludge and digest supernate of the sludge, and the blue iron ore and biological sulfur are recycled; in addition, the sludge is subjected to anaerobic digestion to produce methane and generate blue iron ore, and nitrogen and sulfur are simultaneously removed through the autotrophic denitrification reaction and the anaerobic ammonia oxidation coupling reaction.

The invention relates to a reverse flotation process for synchronously removing magnesium and aluminum in phosphorite. According to the the reverse flotation process provided by the technical schemes, phosphoric ore pulp is introduced into the synchronous reverse flotation process. The process comprises the following steps of: adding a regulating agent into the phosphoric ore pulp, synchronously adding a fatty acid collecting agent and an amine collecting agent into the phosphoric ore pulp, carrying out pre-flotation operation to obtain an in-tank product I and a foam product I which is phosphate tailings I; introducing the in-tank product I into rough flotation operation, carrying out rough flotation to obtain an in-tank product II and a foam product II which is phosphate concentrate; introducing the foam product II into first scavenging operation for scavenging to obtain an in-tank product III and a foam product III; returning the in-tank product III to the previous step to make the in-tank product III enter the roughing operation together with the in-tank product I; introducing the foam product III into second scavenging operation for scavenging to obtain an in-tank product IV and a foam product IV which is phosphate tailings II; and returning the in-tank product IV to the previous step to make the in-tank product IV enter the first scavenging operation together with the foam product II. The process has the advantages of being high in ore adaptability, small in flotation reagent consumption and low in ore dressing cost.