38results about How to "Strong purification ability" patented technology

The invention discloses a kit for extracting bacterial plasmid DNA (deoxyribonucleic acid) by magnetic beads, and an extraction method thereof. The kit comprises six components: a bacterial resuspension solution, a cracking solution, a neutralizing solution, a magnetic bead combining solution, a washing solution and an eluting solution. The extraction method of the kit comprises the following steps of: resuspending bacteria, cracking, neutralizing, combining with magnetic beads, washing and eluting. The plasmid DNA extracted by the invention has high purity and complete fragments, and the extraction process is convenient, quick, efficient and safe.

The invention discloses a high-concentration emulsion treatment method and a treatment system. The system comprises a waste emulsion storage tank, an acidification reaction tank, an oil separation tank, a Fenton reaction tank, a press filter, an evaporating pot and a biochemical device sequentially; the biochemical device comprises a filtrate collection tank, an anaerobic tank, a facultative anaerobic tank, an aerobic tank, a biological aerated filter, an MBR (Membrane Bioreactor) membrane tank, a reverse osmosis tank, a chemical oxidation pond and a recycled water tank which are sequentiallyconnected; the acidification reaction tank is connected with a dosing tank which is used for adding a demulsifier, and the Fenton reaction tank is connected with a dosing tank II for adding a Fenton reagent, a dosing tank III for adding a demulsifier and a dosing tank IV for adding liquid alkali/lime hydrate. The treatment method comprises the steps of collecting treatment, acidification, primarycoagulative precipitation, secondary coagulative precipitation, evaporation treatment, biochemical treatment and second-stage biochemical treatment. The system and the method have the effects of highdemulsification capability, applicability to the treatment of a variety of emulsions, high recovery and reutilization rate and high purification treatment capacity.

The invention discloses a production technology of sulphuric acid. The production technology of sulphuric acid comprises the following technological steps: (1) smashing and screening, namely selecting iron pyrite from ore and smashing, sieving and selecting appropriate iron pyrite granules with the granularity of 4-5mm; (2) roasting; (3) purifying; (4) recycling reaction heat, wherein a steam evaporation pipe bundle is arranged in a waste heat boiler, reaction heat obtained during furnace gas cooling is conveyed to a water circulation system or other thermodynamic systems through the steam evaporation pipe bundle; (5) drying; (6) carrying out conversion, wherein gas enters a conversion system through a sulphur dioxide blower, and sulphur dioxide in raw furnace gas is oxidized into sulphur trioxide gas in the presence of a vanadium catalyst; and (7) absorbing. The production technology of sulphuric acid is reasonable and simple in technology, a technological process is greatly shortened, raw materials are fully utilized, less pollutant is discharged, most importantly recovery rate of low temperature waste heat in the sulphuric acid making industry is increased, and waste of energy resources and the like is avoided, so that the production technology of sulphuric acid is applicable to popularization in the sulphuric acid production industry.

The invention discloses a preparation method of an air purification photocatalyst with extra-small precious metal loaded on titanium dioxide surface. The method comprises the following steps: mixing commercial TiO2 (P25, hereinafter inclusive) and a precious metal precursor solution; adding water and ethyl alcohol to the solid mixture to obtain turbid liquid with certain concentration; fully ultrasonically dispersing; quickly atomizing and drying in high temperature through an atomizing drying device in order to avoid crystallizing and growing of a metal precursor, thus obtaining a powder solid precursor; and roasting the obtained solid precursor in reducing atmosphere to obtain a TiO2-M photocatalyst material. The method is simple in preparation processes and operation, simple in technology, free from pollution, and low in cost; the obtained loading type photocatalyst is provided with P25 as the substrate; the diameter of the precious nanoparticles ranges from 0.3-1nm, and the precious nanoparticles are uniformly loaded on the surface of P25, so that high effective catalyzing activity area and outstanding air purifying capacity are ensured, and as a result, the method has a good application prospect in the air purification field.

The invention discloses a compressed air purification system and a using method thereof. The compressed air purification system comprises a preheating heat exchanger and a reactor. A preheating air inlet, a preheating air outlet, a heat exchange air inlet and a heat exchange air outlet are formed in the preheating heat exchanger. The reactor comprises a cylinder and a barrel cover assembly buckled on the cylinder. The middle section inside the cylinder is a reaction region for filling of a catalyst. A reactor air inlet is formed in the portion, above the reaction region, of the cylinder. A reactor air outlet is formed in the portion, below the reaction region, of the cylinder. A sewage draining exit is arranged at the bottom of the cylinder, and a heating pipe is arranged on the cylinder. The reactor air inlet is connected with the preheating air outlet through a pipeline. The reactor air outlet is connected with the heat exchange air inlet through a pipeline. The purification system is simple and reliable in structure, oil-free compressed air can be rapidly and reliably obtained through purification, the using method is simple, manual operations are greatly reduced, the equipment investment is lowered greatly, and the high practicability and market value are achieved.

The invention discloses an ecological remediation method for a natural water body. The method is characterized by comprising the following steps: constructing a plurality of filter bed type constructed wetlands on the bank of a natural water body to be ecologically remediated, guiding water in the natural water body into the filter bed type constructed wetlands for treatment, and re-discharging the treated water into the natural water body, so as to fulfill the aim of ecologically remediating the natural water body by such cyclic treatment; automatically regulating speed at which the water in the natural water body enters the constructed wetlands according to light intensity in a treatment process, and further regulating treatment speed of the constructed wetlands according to the light intensity. The invention also discloses an ecological remediation system for the natural water body. According to the ecological remediation method and the remediation system for the natural water body, the filter bed type constructed wetlands, the natural water body, submerged plants, fish, a circulating pump and a solar power generation device form a micro-ecological system, and the micro-ecological system can be automatically regulated according to a climate condition without an externally input energy resource; the natural water body can be stably kept at a low-alga and low-turbidity level for a long time.

The invention discloses a cleaning member of a water purifier filter core. The cleaning member includes an inner core and a housing, the inner core is mounted in the housing through fixed brackets, an internal cycling interlayer is formed between the inner core and the housing through the support of the fixed brackets, the inner core includes a filter membrane and an internal duct, the filter membrane is fixedly mounted on the external surface of the internal duct, a filter layer is arranged between the filter membrane and the internal duct, two ends of the internal cycling interlayer are respectively connected to a water inlet pipe and a blowdown pipe, one end of the filter membrane is fixedly equipped with a conversion port, the conversion port is connected to a purified water outlet pipe and a backflushing water inlet pipe, the water inlet pipe, the blowdown pipe, the purified water outlet pipe and the backflushing water inlet pipe are all fixedly equipped with valves, by means of high pressure back flushing, the purpose of cleaning filter core surface impurities can be achieved. The cleaning member provided by the invention can quickly, conveniently and effectively perform high frequency filter core flushing.

The invention discloses a preparation method of a porous boron nitride foam material for water purification and a water purification material. The preparation method comprises the following steps: uniformly dispersing boric acid in an amines organic compound, and preparing a precursor of the porous boron nitride foam material through a boiling reflux method under the protection of an inert gas; carrying out high-temperature thermal cracking on the obtained precursor under protective atmosphere, thus obtaining the porous boron nitride foam material for the water purification. The porous foam structure of a product obtained in the invention is formed by stacking boron nitride nanosheets, the adsorption capacity to organic pollutants in water at the normal temperature is up to 900 mg/g, the adsorption capacity to heavy metal ions in the water is up to 500 mg/g, the removing ability of the pollutants in a water solution is kept be 87 percent or above after the porous boron nitride foam material is repeatedly used by 60 times, and the defects of poor absorption ability, low reuse efficiency and the like of a traditional adsorption material-activated carbon are overcome. No any adhesiveis added in the porous boron nitride foam material obtained in the invention, materials are saved, and large-scale production is easy.

The invention relates to a technological system for extracting glutathione. The technological system comprises devices which are arrayed from upstream to downstream and include a reaction kettle (1), a first material tank (2), a first centrifugal machine (3), a filter device (4), a second material tank (5), a resin column (6), a third material tank (7), a fourth material tank (8), a decolorization tank (9), a crystallization tank (10), a second centrifugal machine (11) and a fifth material tank (12), and further comprises an organic solvent tank (13). The organic solvent tank (13) is positioned on upstream of the resin column (6), upstream of the fourth material tank (8) and upstream of the crystallization tank (10) and is connected with the resin column (6), the fourth material tank (8) and the crystallization tank (10) by pipelines. The technological system has the advantage that the technological system is applicable to extracting the glutathione.

The invention discloses an aerospace specific food cooking and kitchen smoke purifying system comprising a cooking device, a smoke removing system and a pressure pump. The cooking device comprises a cooking kettle, a stirrer and a heater; and the smoke removing system comprises a smoke absorbing cooling buffer, a kitchen smoke purifier, a purifying air compression body collector, a vacuum pump, a steam generator and a storage battery. In the aerospace specific food cooking and kitchen smoke purifying system, the cooking kettle, the smoke absorbing cooling buffer, the kitchen smoke purifier, the purifying air compression body collector and the vacuum cooperate with each other to achieve thorough treatment for kitchen smoke during cooking. The system can be used under microgravity condition; and with light carbon fiber material, no burden is caused to spacecrafts.

The invention discloses a high-density aquaculture sewage purification material and a viscose-based activated carbon fiber loaded with the purification material. The high-density aquaculture sewage purification material is prepared by the following method: (1) soaking bentonite and sepiolite in a concentrated acid to obtain a bentonite-sepiolite mixture; (2) mixing grease with melamine, trehaloseand a surfactant to obtain a grease mixture; (3) adding the bentonite-sepiolite mixture and the grease mixture into an organic solvent to obtain a bentonite-sepiolite-grease mixture; and (4) calciningthe bentonite-sepiolite-grease mixture to obtain the high-density aquaculture sewage purification material. The sewage purification material has excellent purification capability on high-density aquaculture sewage. Particularly, the invention provides the viscose-based activated carbon fiber loaded with the high-density aquaculture sewage purification material. The high-density aquaculture sewagepurification material has higher purification capacity for high-density aquaculture sewage.

The invention relates to a fixing regulating device for plasma generators, which comprises plasma generator side frames positioned at both sides of an air flow channel. Insulating positioning seats are arranged in the side frames. The fixing regulating device for the plasma generator is characterized in that current-conducting plates are arranged at the middle parts of the outer lateral surfaces of the insulating positioning seats; lugs are arranged at the middle parts of the current-conducting plates; each lug is abutted against and humps outwards the middle part of a tensioning conducting strip; and both ends of the tensioning conducting strips are respectively buckled in grooves at the end parts of the plasma generators extending out of the upper and lower side edges of the current-conducting plates. The fixing regulating device for the plasma generators has simple structure and is convenient and rapid to install. The tensioning degrees of the generators can be regulated in real time by the tensioning strips and the working effect of the generators is ensured, so that the requirements for rapid killing of viruses, superstrong purification capacity, high-efficiency odor removal, static electricity elimination and increase of the negative ion content are met.

The invention discloses a printing and dyeing wastewater treating agent and a preparation method thereof. The printing and dyeing wastewater treating agent is prepared from, by mass, 55-65 parts of construction wastes, 20-25 parts of soybean meal, 15-20 parts of wheat straw powder, 10-15 parts of kaolin, 8-13 parts of mucky soil, 12-18 parts of peat, 18-23 parts of wastepaper scraps, 20-25 parts of clay, 15-20 parts of aluminum chloride and 100 parts of water. The printing and dyeing wastewater treating agent is prepared from the wastepaper scraps, the construction wastes and the like, the environmental problems caused by the wastepaper scraps and the construction wastes are solved radically, and moreover, the treating agent prepared by using the method has the efficient purification capacity, so that the removal rate of COCcr of textile printing and dyeing wastewater is up to 94.6%, the removal rate of the turbidity is up to 98.3%, and the removal rate of the chroma is up to 98.8%. The textile printing and dyeing wastewater can be discharged in an up-to-standard mode, and the preparation method is simple, easy to operate and high in practicability.

The invention discloses a rural domestic sewage treatment system, which comprises a plurality of grease traps and septic devices scattered beside the households, the grease traps are arranged at the end of the kitchen sewer pipes of the residents, and the septic devices are arranged at the sewer pipes of the toilets of the residents At the end of the system, the system also includes at least one buried unpowered domestic sewage treatment equipment and pipe network. Water inlet of sewage treatment equipment. The invention has reasonable structural design, large processing capacity, remarkable effect of denitrification, phosphorus removal and degradation of pollutants, low investment, flexible installation, small floor area, and can effectively treat rural domestic sewage, avoiding illegal discharge and polluting the environment. It solves the problem that rural residents are scattered and it is difficult to build a sewage treatment plant, and the system does not require additional power to operate, easy to operate and maintain, and also has the effect of beautifying the environment.

An aquatic plant inlaying combination system used for water body cleaning is disclosed. The system is disposed in a river channel in which water flows, and includes a floating plant zone, a submerged plant zone and a rail frame. The floating plant zone and the submerged plant zone are disposed in the rail frame. The transverse length of the rail frame is matched with the width of the river channel. The longitudinal length of the rail frame is matched with the total length of the floating plant zone and the submerged plant zone. The floating plant zone comprises fixed zones and an unrestricted zone. The system is provided with one of the fixed zones, the unrestricted zone, the other fixed zone and the submerged plant zone in order from the upstream to the downstream in the river channel. The length ratio of the four zones which are the first fixed zone, the unrestricted zone, the second fixed zone and the submerged plant zone the in the river channel is 1-2:1:1-2:1. Through the system, waste water in the river channel is comprehensively treated, an escape-preventing issue for floating plants is overcome, the floating plants are safely controlled and cultivated, and the amount of dissolved oxygen is increased, thus providing a guarantee for survival of aquatic animals.

The invention belongs to the field of special aquatic product ecologic breeding and particularly relates to an ecologic breeding method of river crabs. The ecologic breeding method of the river crabs includes the following steps that a crab pool for breeding the river crabs is selected; before water plants are planted, fertilizer and water management on the crab pool is carried out; water caltrop and hydrilla varticillata are planted; young crabs are put for breeding; the river crabs are bred and harvested. By means of the method, the problem that the river crabs cannot be bred in places in the south of the 28-degree northern latitude on a large scale due to high temperature is effectively solved.

The invention discloses a biological purification facility for drinking water. The facility comprises a pretreatment tank; the back of the pretreatment tank is connected with a biological purification tank; the back of the biological purification tank is connected with a water storage tank; the lower part of the water storage tank is provided with a purified water effluent valve; an overflow port of the water storage tank is connected with a circulating tank; and a water circulator is arranged between the circulating tank and the biological purification tank. The facility has a reasonable structure and good purification performance.

Provided are an immobilized microorganism carrier for use in a fluidized bed, the carrier having exceptional wear resistance and ability to maintain an aerobic state in the center part of the immobilized microorganism carrier; as well as a water treatment system employing the same. This immobilized microorganism carrier comprises a three-dimensional structure comprising a porous foam and is provided with a prescribed cavity portion, a flow being created within an aeration tank. Due to the formation of the cavity portion, the specific surface area is increased by 10%-20%, as compared with the three-dimensional structure in which the cavity portion has not been formed. This contact oxidation combination system is provided with a fluidized bed zone in which purification treatment takes place by a fluidized bed process, and a fixed bed zone in which purification treatment takes place by a fixed bed process, the zones being arranged adjacently within a water tank for a single purification treatment in which treated water undergoing the purification treatment flows from the upstream side towards the downstream side, and employs the immobilized microorganism carrier as a contact material for the fluidized bed.

An air purification system is proposed, in particular for a vehicle, having an air inlet (1), an air outlet (2) and an air conduction volume between the air inlet and the air outlet, wherein at least one reaction surface element (3) is provided in the air conduction volume, at least one light source (4) for ultraviolet light being arranged in the air conduction volume and the reaction surface element being arranged substantially in the entire air conduction volume.

The purpose of the present invention is to provide: an oxygen absorbing and releasing material comprising a ceria/zirconia-based composite oxide having improved HC and NOx purification performance; and a three-way catalyst capable of reducing a NOx discharge amount. To solve said problem, the present invention provides an oxygen absorbing and releasing material, which is a ceria/zirconia-based composite oxide, containing 0.1-20 mol% (exclusive of 20 mol%) of Gd2O3 and has an ionic conductivity of 2*10-5 S/cm or more at 400 DEG C. In addition to the above, an oxygen absorbing and releasing material is provided which is characterized in that a molar ratio of cerium to zirconium is 0.2-0.6 in terms of cerium/(cerium+zirconium), and an oxygen absorbing and releasing speed (OSC speed) Delta t50is 20.0 seconds or more or an oxygen absorbing and releasing amount (OSC amount) is 300 [mu]mol-O2/g or more. Furthermore, by applying the oxygen absorbing and releasing material to a catalyst, it ispossible to obtain a catalyst which assists in the purification of exhaust gas that constantly changes according to the driving state and has a higher hazardous ingredient purification performance ofprecious metals than before. In particular, it is possible to obtain an automobile exhaust gas purification system having excellent CO, NOx and HC purification capacity.

The invention discloses a natural gas purifying system which comprises an absorption tower, a desorption tower and an amine liquid regeneration device connected to the liquid outlet of the desorption tower. The absorption tower comprises at least two absorption parts for classifying and purifying natural gas. The liquid inlets of the absorption parts are connected to the liquid outlet of the amine liquid regeneration device in parallel. The liquid outlets of the absorption parts are connected to the liquid inlet of the desorption tower in parallel. The gas outlet of each absorption part is connected to the gas inlet of the next absorption part in series. The first absorption part is provided with a natural gas inlet for allowing natural gas to enter the absorption tower. The last absorption part is provided with a natural gas outlet for allowing natural gas to flow out of the absorption tower. According to the natural gas purifying system, at least two purifying procedures are conducted in the absorption tower, so carbon dioxide in natural gas can be removed twice at least and can be effectively removed.

The invention discloses a water source land water and soil conservation water quality purification method and a system. The method comprises the following steps: A, excavating a plurality of side slope ditches in a side slope of a water source land along a horizontal gradient, arranging the side slope ditches along different altitudes, and forming purification tanks through bricking the ditches; b, inserting water pipes into the purification tanks, wherein the water pipes can connect the purification tanks with different horizontal gradients on the slope surface; and C, sequentially adding a graded sandstone filter layer, a litter and microorganism action layer, a charcoal adsorption filtration and purification layer, and a rapid infiltration+grass seed soil layer into each purification tank from bottom to top in a layered manner. According to the system, the stability of the slopes can be enhanced, and water and soil loss of the slopes is effectively reduced. Meanwhile, the purification capacity of the existing water conservation forest and soil can be enhanced. The surface layers and the bottom layers of the purification tanks can accelerate infiltration, and meanwhile, the litter and microorganism action layers and the charcoal adsorption filtration and purification layers in the middles have a good purification effect on water, so that the aim of purifying the water can beachieved.

The invention relates to the technical field of refrigerator deodorization boxes, and discloses an intelligent efficient activated carbon deodorization box for a refrigerator based on intelligent manufacturing. The intelligent efficient activated carbon deodorization box comprises a box body, supporting frames are fixedly connected to the interior of the box body, activated carbon is fixedly connected between the two supporting frames, exhaust pipes are inserted into the two sides of the box body in a penetrating mode, a one-way meshing plate is arranged inside each exhaust pipe, a rotating wheel is fixedly connected to the side, away from a force storage rod, of a blocking rod, an extrusion block is fixedly connected to the surface of the rotating wheel, a blocking block is arranged on the side, close to the activated carbon, of the rotating wheel, a magnetic block is rotationally connected to the side, away from the activated carbon, of the force storage rod, a filter plate is arranged on the side, away from the force storage rod, of the magnetic block, and a pressure sensing switch is arranged on the side, close to the magnetic block, of the filter plate. According to the intelligent efficient activated carbon deodorization box for the refrigerator based on intelligent manufacturing, and through cooperative use of the exhaust pipes and an exhaust fan, the effect of efficient air purification capacity inside the refrigerator is achieved.

The invention relates to the technical field of tail gas treatment, in particular to a biochemical coupling tail gas treatment system and a using method thereof. The biochemical coupling tail gas treatment system comprises a first-stage purification assembly, a second-stage purification assembly, a third-stage purification assembly and a fourth-stage purification assembly which are sequentially connected. Firstly, biochemical tail gas is washed and forcibly oxidized through the first-stage purification assembly; secondly, key components in the biochemical tail gas are further captured and degraded through the second-stage purification assembly; thirdly, the biochemical tail gas is dried through a semiconductor type dehumidifier; and finally, residual trace harmful components in the tail gas are deeply adsorbed and removed by an activated carbon filler layer in an adsorption tower. According to the system, different waste gas treatment means are deeply coupled, so that the system can effectively purify different harmful waste gases, and the operation cost can be reduced through the cooperation of the purification assemblies. The problems of insufficient waste gas treatment capacity, high operation cost and the like in the prior art can be effectively solved.