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36results about How to "Excellent purification" patented technology
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Novel efficient automatic indoor air purification device
ActiveCN104006458AEasy to replaceReduce initial resistanceSpace heating and ventilation safety systemsElectrical apparatusSuspended particlesUltraviolet
The invention discloses a novel efficient automatic indoor air purification device and belongs to the technical field of environment-friendly air purification. The indoor air purification device specifically comprises a shell, a circuit board, an air guiding device, an air dust collection device, a negative ion generation device, an ultraviolet sterilization device, a photocatalytic oxidation device, an operation panel and a wireless remote controller, wherein a draught fan serves as a power source of the air guiding device. A negative ion technology, an ultraviolet sterilization technology, a photocatalytic oxidation technology, a silver ion sterilization technology and a filtering adsorption technology are integrated. The shortages that according to an existing air purification device, the functions of sterilization, disinfection and removal of suspended particles, volatile harmful gases, peculiar smells, ozone and other harmful gases are single or the removal effect is poor, energy consumption is large, secondary pollution is caused, cost is high, and the environment-friendly performance is poor are overcome. The novel efficient automatic indoor air purification device is complete in air purification and disinfection effect, simple in structure, high in efficiency, low in energy consumption and noise, capable of saving maintenance cost, long in service life and capable of being practically applied to various indoor environments such as medical treatment institutions, enterprise and public institutions, public occasions, storerooms, workshops and houses.
Owner:SHENZHEN CHENGGUO MEDICAL TECH CO LTD
Iron-based SCR (Selective Catalytic Reduction) catalyst and preparation method thereof
ActiveCN104226361AExcellent purificationLow costMolecular sieve catalystsDispersed particle separationOxygen cycleOxygen
The invention discloses an SCR (Selective Catalytic Reduction) catalyst containing synthetic zeolite and iron, and particularly relates to an SCR catalyst which always has an NOx purifying property in a low-temperature region after being subjected to relatively long-term action of hot water and relatively long-term action of sulfur oxides. A preparation method of the SCR catalyst, disclosed by the invention, comprises the following steps: crystallizing a hydrogenised synthetic zeolite with maximal oxygen cycle number of 8-12 and a three-dimensional structure by using a mixing procedure, and blending with a ferric nitrate (III) water solution or ferric chloride (III) water solution with a pH value of 0.1-0.7 to obtain the SCR catalyst without a filtering procedure and a cleaning procedure.
Owner:清华大学苏州汽车研究院(吴江) +1
Method for simultaneously removing sulfur dioxide and nitrogen oxide in exhaust gas by twin tower tandem catalysis-biomembrane packing tower system
InactiveCN101708415AGood purification effectEasy to recycle separatelyDispersed particle separationAir quality improvementPh bufferingCatalytic oxidation
The invention provides a twin tower tandem exhaust gas purifying processing combination device which adopts a biomembrane packing tower system utilizing catalytic oxidant cyclically spraying liquid in the front and a biomembrane packing tower system utilizing pH buffering agent cyclically spraying liquid in the rear, which can carry out purifying processing to simultaneously remove the SQ2 and the NOx in the exhaust gas and to obtain by-products, namely, the utilizable sulphuric acid and nitrating acid products. The invention is characterized in that desulphuricants and denitrifier complex bacteria with the performance of simultaneously removing SQ2 and NOx in the exhaust gas under the conditions of liquid-phase catalyzed oxidation and pH acid environment can be obtained by screening and culturing and domesticating, and the composite bacteria biofilm to manufacture the biomembrane packing tower which is arranged in the tandem front end and is mainly used for removing SQ2; and the biomembrane packing tower which is mainly used for removing NOx in the rear is manufactured by adopting the denitrifier complex bacteria biofilm with the performance of removing NOx in the exhaust gas under the condition of pH neutral environment through screening and culturing and domesticating.
Owner:NANJING JIANGDAO INST OF ENVIRONMENT RES CO LTD
Catalyst for exhaust gas purification and exhaust gas purification catalyst member
InactiveCN101356005AExcellent purificationImprove heat resistanceSemi-permeable membranesInternal combustion piston enginesCharge neutralityHeat resistance
A catalyst for exhaust gas purification that excels in exhaust gas purification performance and thermal stability, realizing low cost and precious metal saving; and a relevant catalyst member. There is provided a catalyst for exhaust gas purification characterized by having substantially a perovskite crystal structure and being composed of a composite oxide of the formula (1) carrying at least one or two or more types of elements selected from among Pt, Pd and Rh, and further provided a catalyst member making use of the same. A[alpha]B[1-x]B'[x]O[3-delta] (1) wherein A is substantially an element, or a combination of two elements, selected from among Ba and Sr; B is substantially an element, or a combination of two elements, selected from among Fe and Co; B' is substantially an element, or a combination of two elements, selected from among Nb, Ta and Ti; alpha is 0.95 to 1.05; x is 0.05 to 0.3; and delta is a value determined so as to satisfy the condition of charge neutrality.
Owner:NIPPON STEEL MATERIALS CO LTD
SCR catalyst containing copper and iron composite bases and preparation method of SCR catalyst
InactiveCN104607239AAchieve purification effectMaintain hydrothermal durabilityCatalyst carriersMolecular sieve catalystsFiltrationOxygen
The invention discloses an SCR catalyst containing synthetized zeolite and copper-iron composite bases, in particular an SCR catalyst which still has a NOx purification property in a low-temperature region after an aquathermal durability test and a sulfur oxide durability test. The preparation method of the SCR catalyst disclosed by the invention comprises the step of concocting a hydrogenated synthetized zeolite crystal with an aqueous solution through a mixing working procedure, wherein the largest oxygen ring number of the hydrogenated synthetized zeolite crystal is 8, and the hydrogenated synthetized zeolite crystal has a three-dimensional structure; the pH value of the aqueous solution is 0.1-0.7, and the aqueous solution contains copper (II) ions and iron (III) ions; a filtration working procedure and a cleaning working procedure are not needed.
Owner:清华大学苏州汽车研究院(吴江) +1
Method for preparing polymeric aluminum iron flocculating agent from wire rope acid sludge
ActiveCN105174405AHigh recovery rateReduce mass concentrationSludge treatmentWaste water treatment from metallurgical processSludgeIon exchange
The invention discloses a method for preparing a polymeric aluminum iron flocculating agent from wire rope pickling sludge (acid sludge). According to the method, hydrochloric acid and sulfuric acid are used as extracting agents to extract metal iron ions and aluminum ions from calcium sludge and sodium sludge respectively, lead ions are removed by ion exchange resin, and the extraction liquid is further processed to obtain the polymeric aluminum iron flocculating agent, so that resource utilization of the calcium sludge and the sodium sludge is realized; cement is added to calcium sludge residues and sodium sludge residues for solidifying, so that stabilization and harmlessness of heavy metals in the residues are realized; and deionized water is used for regenerating saturated ion exchange resin, and a sodium hydroxide solution is used for treating wastewater generated in the regeneration process to realize standard discharge of the wastewater. The method has recovery rate of more than 90% for iron and aluminum in the acid sludge; and the flocculating agent has excellent purification performance for domestic wastewater.
Owner:刘阳生
Resource utilization method of waste hydrochloric acid containing heavy metal lead and iron
InactiveCN105198122AExcellent purificationReduce turbidityWater contaminantsDispersed particle separationActivated carbonSulfide
The invention discloses a resource utilization method of waste hydrochloric acid containing heavy metal lead and iron. The method comprises the following steps: removing the lead from a sulfide solution, preparing a polymeric ferric chloride flocculating agent and purifying hydrogen sulfide gas. According to the method disclosed by the invention, lead ions in the waste hydrochloric acid are removed by a sulfide precipitation method to obtain the polymeric ferric chloride flocculating agent; after the produced hydrogen sulfide gas is subjected to falling film absorption, packed tower absorption and active carbon absorption, the hydrogen sulfide gas meets the requirements of national foul pollutant emission standards; meanwhile, sulfides are recycled and cyclic utilization of a sulfur element in a whole process is realized; in a whole purification process, the hydrogen sulfide gas is in countercurrent contact with an alkaline solution, so that the hydrogen sulfide gas can be sufficiently absorbed and the high-concentration sulfide solution is obtained. According to the method, the recycling rate of the iron in the waste hydrochloric acid is more than 90% and the removing rate of the lead is more than 99%; the purity of produced lead sulfide is equivalent to that of industrial lead sulfide, and the produced lead sulfide can be used as an industrial raw material. With the adoption of the resource utilization method disclosed by the invention, harmless treatment and resource utilization of the waste hydrochloric acid are realized.
Owner:刘阳生
Grease decoloring agent
ActiveCN103706322ABleaching excellentExcellent purificationOther chemical processesFatty-oils/fats refiningFiltrationResidual oil
The invention discloses a grease decoloring agent, relates to a purification and adsorption material, and especially relates to the grease decoloring agent of aluminum-based hydrate composite materials and a preparation method thereof. The grease decoloring agent is characterized by being prepared by selecting two or more than two aluminum-based hydrates having the adsorption property, carrying out mixing homogenization and then adding an acidic modifying agent for modification and activation. The grease decoloring agent is a mixture of the aluminum-based hydrate composite materials. The materials have the advantages of less using amount, good decoloring effect, easy filtration and separation, small residual oil rate and the like; moreover, the decolorizing agent does not contaminate products; after medium temperature roasting after decolorization, the decolorizing agent can be used in a raw material of a high temperature coating layer material, thereby reducing the decoloring agent cost; and the grease decoloring agent fully meets the requirements of food-grade grease on indicators of the chromaticity and the impurity content, and is easy to popularize and apply.
Owner:中铝郑州有色金属研究院有限公司
Air cleaner apparatus and straddle-type vehicle equipped with the apparatus
ActiveCN103184957AInhibition resistance increasesExcellent purificationMachines/enginesAir cleaners for fuelAir purificationFilter element
An air cleaner apparatus (102) has an air cleaner case (105), a main filter element (170) dividing an interior of the air cleaner case (105) into a first chamber (115) and a second chamber (145), an intake passage (130) for sucking air outside the air cleaner case (105) into the first chamber (115), a discharge passage (148) for discharging the air within the second chamber (145) out of the air cleaner case (105), and a pre-filter element (138) including a wet-type element disposed in the first chamber (115). The intake passage (130) has an air outlet port (132) for blowing off air into the first chamber (115). The pre-filter element (138) is disposed spaced apart from the air outlet port (132) so as to be positioned on the axis line of the air outlet port (132).
Owner:YAMAHA MOTOR CO LTD
Catalyst for purifying exhaust gas
ActiveCN104203402AExcellent gas purification performanceExcellent purificationHeterogenous catalyst chemical elementsDispersed particle separationExhaust gasExhaust fumes
The present invention contains a complex oxide comprising a crystal having a DyMn2O5 structure, in which an A site contains Y and a B site contains Mn, the composition ratio between the B site and the A site (B / A) being greater than 2.
Owner:MITSUI MINING & SMELTING CO LTD +1
Copper-containing ammoxidation catalyst and preparation method thereof
ActiveCN105214723ASimple processLow costMolecular sieve catalystsDispersed particle separationIonChemistry
The invention relates to the technical field of catalysts, particularly discloses a hydrogenation synthetic zeolite-bearing copper ammoxidation catalyst, and especially relates to the ammoxidation catalyst having ammonia-purification purifying performance in a low temperature region. The ammoxidation catalyst is prepared by mixing a hydrogenation synthetic zeolite crystal having the maximum oxygen ring number of 8 and having a three-dimensional structure with a copper (II) ion containing aqueous solution with the pH value of 0.1-0.7, and filtration and cleaning processes are not required.
Owner:清华大学苏州汽车研究院(吴江) +1
Straddle-type vehicle
ActiveCN103184956AExcellent purificationLess quantityMotorised scootersCombustion-air/fuel-air treatmentEngineeringStraddle
A motorcycle (1) includes a body frame having left and right seat frames, a storage box (180) having a right side wall (182) positioned to the left of the right seat frame, an air cleaner (100) connected to an intake pipe, and an intake passage (130) having an air inlet port (122) for sucking air, the intake passage (130) extending upward from the air cleaner (100). The intake passage (130) is disposed to the right of the vehicle center line. The air inlet port (122) is disposed on the right of the right side wall (182) of the storage box (180) and on the left of the right seat frame. At least a portion of the air inlet port (122) of the intake passage (130) faces the right side wall (182) of the storage box (180).
Owner:YAMAHA MOTOR CO LTD
Straddle-type vehicle
ActiveCN103182929AGuaranteed volumeExcellent purificationMotorised scootersCombustion-air/fuel-air treatmentAir filterEngineering
The invention provides a straddle-type vehicle which has a rear fender and guarantees the volume of an air filter and excellent air purification performance by effectively and flexibly utilizing limited space. The straddle-type vehicle has a body frame, an engine unit having an engine and swingably supported by the body frame, a rear wheel supported at a rear end portion of the engine unit, a rear fender (80) supported on the engine unit so as to swing relative to the body frame along with the rear wheel, and covering a portion of the rear wheel, and an intake pipe (54) for introducing air to the engine, and air cleaner (100) connected to the intake pipe (54). The rear fender (80) has an upper portion (82) positioned above the rear wheel and side portions (84A), (84B) positioned beside the rear wheel. The air cleaner (100) forms at least the upper portion (82) of the rear fender (80).
Owner:YAMAHA MOTOR CO LTD
Iron-based scr catalyst and preparation method thereof
ActiveCN104226361BExcellent purificationLow costMolecular sieve catalystsDispersed particle separationFiltrationOxygen
The invention discloses an SCR catalyst comprising synthetic zeolite and iron, especially an SCR catalyst which still has NOx purification performance in a low temperature region after being subjected to the action of hot water and sulfur oxides for a long time. The preparation method of the SCR catalyst of the present invention is that the hydrogenated synthetic zeolite crystallization with the maximum oxygen ring number of 8 to 12 and three-dimensional structure is mixed with iron nitrate (Ⅲ) aqueous solution or chlorinated A method for preparing an SCR catalyst in which an aqueous solution of iron (Ⅲ) is prepared without a filtering step and a cleaning step.
Owner:清华大学苏州汽车研究院(吴江) +1
A new type of high-efficiency indoor air automatic purification device
ActiveCN104006458BImprove purification efficiencyExcellent purificationElectrical apparatusSpace heating and ventilation safety systemsSuspended particlesUltraviolet
Owner:广东弘和医疗器械制造有限公司
Wastewater and rainwater cyclic utilization device in house building construction site
InactiveCN109806644AExquisite designSimple structureWater/sewage treatmentStationary filtering element filtersWastewaterHouse building
The invention relates to a wastewater and rainwater cyclic utilization device in a house building construction site. The device comprises a slab, a first filter cabin and a second filter cabin; the device is characterized in that the slab is a rectangular trolley bottom plate (1); the first filter cabin (3) and the second filter cabin (15) are arranged on the bottom plate at an interval; a cavityof the first filter cabin is divided into three layers of space by flow guide blocks and a first filter plate; a second filter plate (22) is horizontally arranged at the middle part of a cavity of thesecond filter cabin (15); three groups of filter liners (23) are arranged in the cavity of the second filter plate at intervals side by side; and a liquid discharging port is arranged at the lower end of the side wall of the bottom of the second filter cabin. The wastewater and rainwater cyclic utilization device in the house building construction site according to the invention has the advantages that a purification device is elaborate in design, simple in structure and convenient to manufacture, and can perform cleaning and operation automatically; the purification property is excellent; and the cost of wastewater and rainwater purification engineering is reduced.
Owner:MCC5 GROUP CORP SHANGHAI
Cosmetic wastewater deep treatment recycling method
InactiveCN104724880ALarge specific surface areaHigh volume loadMultistage water/sewage treatmentActivated carbonChemistry
The invention discloses a cosmetic wastewater deep treatment recycling method. The method is characterized by including the steps of: (1) wastewater preconditioning; (2) oxidation reaction; (3) aerobic treatment; (4) flocculation precipitation; and (5) preparation of recycling water. An oxidation reagent can decompose difficultly biodegradable organic matters, by adding PAM to conduct flocculation settlement and deep treatment, the effluent water suspended solids (SS) are less than 60mg / L, the chroma is smaller than40 times, the COD is less than 100mg / L, nanoscale Ti0 and carrier filler composed of 80-90mesh powdery coal-based activated carbon have a large specific surface area, high volume load, high oxygen utilization, and excellent purification performance, can guarantee the quality of effluent water and ease the situation of fresh water resource shortage. Thus, the method is a water-saving, green and environmental protection technology.
Owner:青岛新动力文化传媒有限公司
Water purifying material
InactiveCN109126736AImprove adsorption capacityExcellent purificationOther chemical processesWater contaminantsSlurryImpurity
The invention relates to a water purifying material. The water purifying material is prepared from, by weight, 60-70 parts of polyacrylamide, 5-10 parts of polyvinyl ester, 15-18 parts of nanometer ceramic powder, 8-15 parts of calcium hydroxide or calcium carbonate, 5-15 parts of active carbon, 10-15 parts of ferric oxide powder or ion powder, 1-2 parts of ammonium chloride, 3-5 parts of gelatin,3-5 parts of polyvinylpyrrolidone, 1-5 parts of composite slurry and 1-7 parts of liquid paraffin. The water purifying material can effectively adsorb heavy metal and particle impurities in sewage, and is excellent in purification performance and more stable in purifying capacity compared with existing products.
Owner:刘若慧
Catalyst carrier or catalyst, and process for production thereof
InactiveCN102639232AImprove heat resistanceImprove purification effectCatalyst protectionInternal combustion piston enginesPtru catalystPhysical chemistry
Disclosed are: a catalyst which can utilize magnesium aluminate (MgAl2O4) as a catalyst carrier, has improved heat resistance, and enables the improvement in NOx purification rate readily, or a catalyst carrier; and a process for producing the catalyst or the catalyst carrier. Specifically disclosed are: a catalyst carrier or a catalyst, which can be produced through an aqueous solution preparation step (S1), an aqueous solution filling step (S2), a drying step (S3), a pre-firing step (S4) and a firing step (S5), and which comprises magnesium aluminate (MgAl2O4) having a specific surface area of 80 to 150 (m2 / g) and a pore volume of 0.45 to 0.65 (ml / g), wherein a noble metal can be supported on the catalyst carrier or the catalyst; and a process for producing the catalyst carrier or the catalyst.
Owner:FCC KK
Nanometer negative-ion wood plastic and manufacturing method thereof
InactiveCN110845858AHigh tensile strengthExcellent purificationFlat articlesFoaming agentPlant fibre
The invention discloses nanometer negative-ion wood plastic. The wood plastic comprises the following components in parts by weight: 30-65 parts of waste plant fibers, 5-15 parts of nanometer negative-ion powder, 15-35 parts of thermoplastic resin, 0.5-1 part of traditional Chinese medicine powder, 2-3 parts of a flame retardant, 5-10 parts of a surface modifier, 3-5 parts of a stabilizer, 1-3 parts of a foaming agent, 0.5-1.5 parts of a coupling agent and 2-3 parts of a plasticizer. The nanometer negative-ion wood plastic provided by the invention has the following beneficial effects: a preparation method is simple and practicable in a flow, convenient in operation control and easy in realization of batch production; the nanometer negative-ion powder achieves the purposes of purifying airand eliminating indoor odor and various harmful gases; the traditional Chinese medicine powder improves the sterilization and antibacterial properties of the wood plastic, and changes the smell of the wood plastic; the waste plant fibers realize utilization of wastes like crop straw, so material energy consumption and cost of wood plastic manufacturing are reduced; and waste plant fiber coarse materials and waste plant fiber fine materials are distributed in the wood plastic in a staggered manner, so the tensile strength of the wood plastic is improved, and the wood plastic has the advantagesof good tensile resistance, antibacterial and bactericidal performances and purification performance.
Owner:沈阳科洛环保科技有限公司
Straddle-type vehicle
ActiveCN103184956BExcellent purificationLess quantityMotorised scootersMotorcyclesEngineeringAir cleaners
A motorcycle (1) includes a body frame having left and right seat frames, a storage box (180) having a right side wall (182) positioned to the left of the right seat frame, an air cleaner (100) connected to an intake pipe, and an intake passage (130) having an air inlet port (122) for sucking air, the intake passage (130) extending upward from the air cleaner (100). The intake passage (130) is disposed to the right of the vehicle center line. The air inlet port (122) is disposed on the right of the right side wall (182) of the storage box (180) and on the left of the right seat frame. At least a portion of the air inlet port (122) of the intake passage (130) faces the right side wall (182) of the storage box (180).
Owner:YAMAHA MOTOR CO LTD
Method for simultaneous removal of sulfur dioxide and nitrogen oxides in flue gas by double-tower series catalytic-biofilm packed tower system
InactiveCN101708415BEasy to cleanEasy to recycle separatelyDispersed particle separationAir quality improvementBiofilmPh buffering
The invention provides a twin tower tandem exhaust gas purifying processing combination device which adopts a biomembrane packing tower system utilizing catalytic oxidant cyclically spraying liquid in the front and a biomembrane packing tower system utilizing pH buffering agent cyclically spraying liquid in the rear, which can carry out purifying processing to simultaneously remove the SQ2 and the NOx in the exhaust gas and to obtain by-products, namely, the utilizable sulphuric acid and nitrating acid products. The invention is characterized in that desulphuricants and denitrifier complex bacteria with the performance of simultaneously removing SQ2 and NOx in the exhaust gas under the conditions of liquid-phase catalyzed oxidation and pH acid environment can be obtained by screening and culturing and domesticating, and the composite bacteria biofilm to manufacture the biomembrane packing tower which is arranged in the tandem front end and is mainly used for removing SQ2; and the biomembrane packing tower which is mainly used for removing NOx in the rear is manufactured by adopting the denitrifier complex bacteria biofilm with the performance of removing NOx in the exhaust gas under the condition of pH neutral environment through screening and culturing and domesticating.
Owner:NANJING JIANGDAO INST OF ENVIRONMENT RES CO LTD
Air cleaner apparatus and straddle-type vehicle equipped with the apparatus
ActiveCN103184957BExcellent purificationIncrease resistanceMachines/enginesAir cleaners for fuelEngineeringAir purification
An air cleaner apparatus (102) has an air cleaner case (105), a main filter element (170) dividing an interior of the air cleaner case (105) into a first chamber (115) and a second chamber (145), an intake passage (130) for sucking air outside the air cleaner case (105) into the first chamber (115), a discharge passage (148) for discharging the air within the second chamber (145) out of the air cleaner case (105), and a pre-filter element (138) including a wet-type element disposed in the first chamber (115). The intake passage (130) has an air outlet port (132) for blowing off air into the first chamber (115). The pre-filter element (138) is disposed spaced apart from the air outlet port (132) so as to be positioned on the axis line of the air outlet port (132).
Owner:YAMAHA MOTOR CO LTD
A method for preparing polymeric aluminum-iron flocculant from steel wire rope acid mud
ActiveCN105174405BHigh recovery rateReduce mass concentrationSludge treatmentWaste water treatment from metallurgical processWater dischargeSludge
The invention discloses a method for preparing a polymerized aluminum-iron flocculant from steel wire rope pickling sludge (abbreviated as acid sludge). The method adopts hydrochloric acid and sulfuric acid as extraction agents respectively, extracts metal iron ions and aluminum ions in calcium mud and sodium mud, removes lead ions therein through ion exchange resin, and further processes the extract into a polymerized aluminum-iron flocculant to realize The resource utilization of calcium mud and sodium mud, by adding cement to the calcium mud residue and sodium mud residue to solidify, realize the stabilization and harmlessness of heavy metals in the residue, and use deionized water to regenerate the saturated ion exchange resin During the process, sodium hydroxide solution is used to treat the wastewater generated during the regeneration process, so that the wastewater can be discharged up to the standard. The method has a recovery rate of more than 90% for iron and aluminum in the acid mud; the flocculant has excellent purification performance for domestic sewage.
Owner:刘阳生
Preparation method of titanium dioxide-molybdenum trioxide/platinum carbon catalyst
ActiveCN107570153BExcellent purificationImprove the environmentMetal/metal-oxides/metal-hydroxide catalystsPtru catalystNanoparticle
The invention discloses a preparation method of a titanium dioxide-molybdenum trioxide / platinum-carbon catalyst. The preparation method comprises the following steps of firstly, preparing nano particles of a TiO2-MoO3 core-shell structure; secondly, preparing a mixed system; thirdly, preparing a mixed system carrying platinum metal; and fourthly, performing reduction reaction so as to obtain the TiO2-MoO3 / platinum-carbon catalyst. According to the preparation method, titanium dioxide and molybdenum trioxide are combined to prepare nano particles of the TiO2-MoO3 core-shell structure, then thenano particles are combined with the platinum-carbon catalyst so as to obtain the TiO2-MoO3 / platinum-carbon catalyst. The catalyst is far better than a pure photocatalyst medium in air purification, can be widely used for purifying air in limited spaces like a room, an underground garage, and a tunnel, can improve the environment of the spaces remarkably, is easy in step to prepare, and has high practical value.
Owner:陕西瑞科新材料股份有限公司
ride-on vehicle
ActiveCN103182929BGuaranteed volumeExcellent purificationMotorised scootersCombustion-air/fuel-air treatmentAir cleanersAutomotive engineering
A straddle-type vehicle has a body frame, an engine unit having an engine and swingably supported by the body frame, a rear wheel supported at a rear end portion of the engine unit, a rear fender (80) supported on the engine unit so as to swing relative to the body frame along with the rear wheel, and covering a portion of the rear wheel, and an intake pipe (54) for introducing air to the engine, and air cleaner (100) connected to the intake pipe (54). The rear fender (80) has an upper portion (82) positioned above the rear wheel and side portions (84A), (84B) positioned beside the rear wheel. The air cleaner (100) forms at least the upper portion (82) of the rear fender (80).
Owner:YAMAHA MOTOR CO LTD
Efficient water purifying material
InactiveCN109133242AGood purification performanceStable purification abilityWater contaminantsWater/sewage treatment by sorptionPolyimideHeavy metals
The invention relates to an efficient water purifying material. The material is prepared from, by weight, 65-75 parts of ceramic powder, 5-10 parts of polyvinyl ester, 15-18 parts of polyimide, 8-15 parts of nanometer ceramic powder, 5-15 parts of talcum powder, 10-15 parts of kieselguhr, 1-2 parts of ammonia chloride, 3-5 parts of gelatin, 3-5 parts of carboxymethylcellulose, 2-4 parts of carbonnano tubes and 1-7 parts of vanilla oil. The efficient water purifying material can effectively adsorb heavy metal and particulate impurities in sewage, the purification performance is excellent, andthe purification capability is more stable compared with existing products.
Owner:刘若慧
Exhaust gas purification catalyst and method for producing the same
ActiveCN108698022BExcellent purificationGas treatmentDispersed particle separationPtru catalystCerium
An exhaust gas purification catalyst comprising a lower layer and an upper layer, wherein the lower layer contains cerium oxide-based oxide particles, and the upper layer contains metal oxide particles and a noble metal supported on the metal oxide particles, wherein the exhaust gas purification catalyst is characterized in that , the Rh content in the lower layer is 0.25 g / L or less, and the particle size distribution of the cerium oxide-based oxide particles contained in the lower layer observed by scanning electron microscopy has a first peak and a second peak, so The first peak has a peak top in the region of 0.90 to 6.50 μm, and the second peak has a peak top in the region of 9.50 to 34.0 μm.
Owner:CATALER CORP
Catalytic converter
ActiveCN104937227AExcellent purificationInternal combustion piston enginesDispersed particle separationHigh cellVolumetric Mass Density
Provided is a catalytic converter that makes effective use of all of the constituent catalyst to purify an exhaust gas and minimizes the release of hydrogen sulfide. Said catalytic converter (10) comprises noble-metal catalyst layers (2A, 2B) formed, in the lengthwise direction of a cell-structured substrate (1) through which a gas circulates, on the cell walls of said substrate (1). The substrate (1) comprises a central region (1A) that has a relatively high cell density and a peripheral region (1B) that has a relatively low cell density, and in the lengthwise direction, the catalyst layer (2B) in the peripheral region (1B) is the same length as or shorter than the catalyst layer (2A) in the central region (1A).
Owner:TOYOTA JIDOSHA KK
Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste hydrochloric acid
ActiveCN105271436BExcellent purificationReduce turbidityIron halidesWater/sewage treatment by flocculation/precipitationResource utilizationSludge
The invention discloses a method for preparing a polyferric chloride flocculant by using steel wire rope sludge and waste salt. According to the method, the steel wire rope pickling sludge is dissolved in waste hydrochloric acid, lead ions in the dissolved solution are removed with a sulfide precipitation method, and the polyferric chloride flocculant is obtained; produced hydrogen sulfide gas meets the national odor pollutant emission standard after being subjected to falling-film absorption, packed tower absorption and activated carbon adsorption treatment, and meanwhile, whole-process sulfur element recycling is realized; cement is added to sludge residues for curing, and heavy metals are cured and stabilized. With the adoption of the method, the recovery rate of iron in the sludge is higher than 90%, the produced polyferric chloride flocculant has excellent performance in purification of domestic sewage, and produced lead sulfide meets the industrial purity requirement and can be used as an industrial raw material. With the adoption of the method, harmless disposal and resource utilization of the steel wire rope pickling sludge and the waste hydrochloric acid are realized simultaneously.
Owner:刘阳生
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