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44results about How to "Easy and efficient recycling" patented technology
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Preparation method of magnetic core-shell alginate microsphere adsorbent
ActiveCN104707575AEasy disposalImprove adsorption efficiencyOther chemical processesAlkali metal oxides/hydroxidesDichloromethaneMagnetic core
The invention discloses a preparation method of a magnetic core-shell alginate microsphere adsorbent. The preparation method comprises the following steps: preparing two parts of sodium alginate solution, wherein one part is shell layer solution, and dichloromethane and nanometer ferroferric oxide are added into the other part and uniformly mixed to obtain nuclear layer solution; and respectively injecting the shell layer solution and the nuclear layer solution into the outer layer and the inner layer of a stainless steel coaxial needle head, jetting the shell layer solution and the nuclear layer solution into a receiving device filled with calcium chloride solution under high-pressure electrostatic jetting conditions by utilizing high-pressure electrostatic spinning equipment, stirring, filtering, then, immersing the microsphere in metal salt solution, stirring, filtering, and drying to prepare the magnetic core-shell alginate microsphere adsorbent. The magnetic core-shell alginate microsphere adsorbent has the adsorptive property of an alginate gel microsphere adsorbent to a part of anion and also has magnetic property; therefore, an adsorbing material is more convenient and rapid to recycle; the use recovery cost is reduced; the application range is enlarged; and the preparation method can be widely applied to anion adsorption concentration, settling separation and waste water treatment.
Owner:SOUTHWEAT UNIV OF SCI & TECH
A method for removing residue pesticides from Panax
The invention relates to a method for removing residual pesticide in ginseng, in particular to a method that the raw material, namely, the ginseng is taken and charged into a high pressure extraction kettle, after air in the system is emitted, a solvent pump is opened, and extraction solvent, namely, propane is poured into the sealed extraction kettle, and the circulation of the propane and the raw material, the ginseng has the mass proportion of 1: 1 to 10.0: l (preferably 3: 1 to 9: 1); the extraction time is 30 to 180 min, and the extraction pressure is 4.0-15.0 MPa; the extract temperature is 40 to 100 DEG C; after the extraction is finished, the obtained residue is the ginseng after the residual pesticide is removed. The method provides an effective way for removing the residual organic pesticide in the ginseng, has wide raw material selection range, and has temperate operating condition, thereby being suitable for industrialized production.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Method for preparing magnetically regenerable immobilized bio-enzyme
InactiveCN103397015AGood dispersionImprove stabilityInductances/transformers/magnets manufactureOn/in inorganic carrierCross-linkAlpha-amylase
The invention relates to a method for preparing a magnetically regenerable immobilized bio-enzyme. The method comprises the following steps of firstly preparing ferromagnetism nano particles, mixing absolute ethyl alcohol, deionized water and a silane coupling agent, after hydrolysis, adding the ferromagnetism nano particles, stirring and reacting for 1-2 hours under the protection of nitrogen, adsorbing and settling with a magnet, washing and drying the settled solid to obtain the surface-modified ferromagnetism nano particles, then dropping a cross-linking agent for crosslinking and activating, metering a bio-enzyme preparation and oscillating at constant temperature so as to obtain the magnetically regenerable immobilized bio-enzyme. The magnetic material and the high efficient catalytic characteristics of alpha-amylase and cellulose in the bio-enzyme are combined and play a synergistic effect so as to prepare the magnetically regenerable immobilized bio-enzyme, so that the used bio-enzyme is benefit to being recycled efficiently and regenerated, and the preliminary trial on the two enzymes finds that the preparation method can be expanded to be applied to the immobilization of the whole bio-enzyme field.
Owner:SHANDONG NORMAL UNIV
Equipment and method for recycling freon in refrigerators
InactiveCN104501485AHigh recovery rateEmission reductionRefrigeration componentsSocial benefitsIcebox
The invention discloses equipment and a method for recycling freon. The equipment comprises a condensate separator, wherein a gas freon inlet and a liquid nitrogen inlet are formed in a side surface of the condensate separator; a nitrogen outlet is formed in the top of the condensate separator; a liquid freon outlet for recycling liquid freon is formed in the bottom of the condensate separator; a heat exchanging coiled tube is arranged in the condensate separator; an inlet of the heat exchanging coiled tube is connected with an external liquid nitrogen source through the liquid nitrogen inlet; an outlet of the heat exchanging coiled tube is connected with one end of a heat exchanging tube of a refrigerator through a cold-insulation pipe; the other end of the heat exchanging tube is connected with the gas freon inlet; and nitrogen is discharged outwards via a cold-insulation pipe connected to the nitrogen outlet. A physical cooling method is used, pollution-free liquid nitrogen serves as coolant, and the freon is recycled conveniently and efficiently. The equipment has the advantages that the investment is low, a technology is simple, the recovery rate is high, shaping equipment can be manufactured in batches, resources are efficiently recycled greatly, emission of the freon is reduced, and environmental and social benefits are excellent.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Magnetic graphene-based platinum-nickel bimetallic catalyst and preparation method of magnetic graphene-based platinum-nickel bimetallic catalyst
InactiveCN104874404AEasy and efficient recyclingMild reaction conditionsMetal/metal-oxides/metal-hydroxide catalystsMagnetizationBimetallic nanoparticle
The invention relates to a magnetic graphene-based platinum-nickel bimetallic catalyst and a preparation method of the magnetic graphene-based platinum-nickel bimetallic catalyst. Platinum-nickel alloy type bimetallic nanoparticles with the particle size being 10-20nm are loaded on a graphene carrier, the saturation magnetization of the catalyst at 15-35 DEG C is 8-13emu / g, and the bimetallic catalyst is prepared from the following ingredients by weight percent: 75-85wt% of graphene, 1.5-3.6wt% of platinum and 12.8-22.5wt% of nickel, and the sum of all percentages of all ingredients is 100%. The preparation method comprises the steps of preparing graphene oxide-tannic acid composite aqueous solution; adding nickel metallic ion solution to adjust the pH value to be 9-10, adding reducing agents and stirring for reaction, washing until the pH value of the supernatant liquid is 6.5-7, and taking precipitates at the lower layer to obtain the magnetic graphene-based platinum-nickel bimetallic catalyst. The magnetic graphene-based platinum-nickel bimetallic catalyst can be separated out of a reaction system thoroughly under an external magnetic field, and the recovery process is simple and efficient.
Owner:TIANJIN UNIV
Vehicle air conditioning system comprising a refrigerant recovery vessel and operating method thereof
InactiveCN1821685AReduce leakageEliminate leaksAir-treating devicesSpace heating and ventilation safety systemsVapor–liquid separatorRefrigerant reclamation
An air conditioning system for a vehicle including a vapor compression-type refrigerating cycle and using combustible refrigerant includes a refrigerant recovery vessel in communication with a gas-liquid separator and which of recovers the combustible refrigerant by the communication with the gas-liquid separator, and a valve which controls the communication between the refrigerant recovery vessel and the gas-liquid separator in response to an external signal. When combustible refrigerant is used as refrigerant of a vapor compression-type, refrigerating cycle, leakage of the refrigerant may be reduced, minimized, or eliminated, and the recovery of the refrigerant may be carried out readily and efficiently without requiring significant changes to the system configuration.
Owner:SANDEN CORP
Method for strengthening biological phosphorus removal of sewage and recycling phosphate resources from sewage
InactiveCN106565056AReduce the burden onHigh activityTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentHigh concentrationAluminum Ion
The invention discloses a method for strengthening biological phosphorus removal of sewage and recycling phosphate resources from sewage. The method is characterized in that mixed liquor containing phosphate with relatively high concentration at an anaerobic stage of a primary flow system is introduced into an intermediate sedimentation tank of a side flow system to carry out mud-water separation based on an inverted and conventional A2O system and an oxidation ditch system; then, liquid supernatant of the intermediate sedimentation tank is introduced into a chemical phosphorous removal reaction tank; ferric salt or aluminum salt is added into the reaction tank, so that phosphate reacts with iron ions or aluminum ions to form insoluble phosphate; and insoluble phosphate precipitates in a chemical precipitation tank are recycled, and liquid supernatant of the chemical precipitation tank is exhausted into an aerobic tank; and sludge of the intermediate sedimentation tank is separately exhausted into a sludge treatment tank, a follow-up aerobic tank or is returned to an anoxic tank according to an operation condition of the system; and part of phosphate in sewage on an anaerobic phase in the primary flow system is chemically recycled at side flow, so that burden of biological phosphorus removal of the primary flow system is relieved, biological phosphorus removal is facilitated, and phosphate resources in sewage are recycled.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Method and equipment for separating out molten dust in high temperature gas and use thereof
ActiveUS8747524B2Efficient separationIncrease temperatureCombination devicesDispersed particle filtrationMolten saltGravitational force
A method for separating out molten dust in high temperature gas includes the steps of: passing the high temperature gas carrying molten dust through an adhesive separator, the molten dust adhering to the adhesive separator and separating from the high temperature gas, the molten dust adhering to the inner sidewall flowing downwardly due to the gravity force and discharging; conveying the cleaned high temperature gas into a heat exchanger directly or after heating materials for cooling and discharging; using the heat recycled by the heat exchanger to heat the gas supplied to the adhesive separator; and supplying the gas heated by the heat exchanger into the adhesive separator directly or after further reaction, the heat absorbed from the heat exchanger and the heat generated in the reaction keeping the temperature of the gas flowing out of the adhesive separator higher than the melting point of the dust.
Owner:CHEN ZHI WEI
Original type and large-proportion subscale testing device for sea surface and submerging overflow oil dirt removing technology and device
ActiveCN106223258APerformance improvements and enhancementsConvenient and efficient performanceWater cleaningGeneral water supply conservationOcean bottomWater quality
An original type and large-proportion subscale testing device for a sea surface and submerging overflow oil dirt removing technology and device comprises a sea surface and submerging overflow oil environment simulating device, an original type and large-proportion subscale independent or combined overflow oil dirt removing operation module, a test oil product and water quality monitoring module and a testing oil and water cyclic metering module. The original type and large-proportion subscale testing device is used for reappearing dirt removing work of the technologies of surrounding control, recycling, scattering, adsorbing, degrading and the like, the device and materials for sea surface and submerging overflow oil in the simulation environment in an independent or combined manner, testing and recording surrounding control, recycling, scattering, adsorbing and degrading performance indexes for sea surface overflow oil, seawater bodies and seabed submerging oil under representative sea conditions and oil product scattering and weathering conditions and providing an experiment technological support for scientifically knowing the dirt removing work conditions of sea surface and submerging overflow oil dirt removing technology, the device and the materials, conveniently and rapidly developing the dirt removing performance test and effect assessment on the overflow oil dirt removing technology and the device and effectively improving and enhancing the dirt removing performance.
Owner:CHINA WATERBORNE TRANSPORT RES INST
Preparation method of N-methylamine compound
ActiveCN106316866AHigh catalytic activityImprove catalytic selectivityOrganic compound preparationAmino compound preparationReaction rateN methylation
The invention discloses a preparation method of a N-methylamine compound. The preparation method comprises the following steps: under an inertia organic solvent or solvent-free condition and under a support-type nano-sized gold catalyst effect, a primary amine compound or a secondary amine compound is subjected to a N-methylation reaction with carbon dioxide and hydrogen to obtain the product. The preparation method takes CO2 as a methyl source, takes hydrogen as a reducing agent, and takes the support-type nano-gold as a catalyst, and has the advantages that process is simple, catalyst activity is high, reaction rate is fast, the catalyst recovery and utilization are convenient, the application scope of a substrate is wide, the production cost is low, the benifit is high, the post-treatment is simple, repeatability is good, safe performance is high, and environmental protection is achieved, and the method is adapted to industrial production.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
Method for recovering byproduct silicon tetrachloride produced in process of producing polycrystalline silicon
InactiveCN102807221AEliminate hazardsEasy and efficient recyclingEnergy inputHalogenated silanesPhysical chemistrySilicon tetrachloride
The invention provides a method for recovering a byproduct silicon tetrachloride produced in the process of producing polycrystalline silicon. Ionic liquid is recycled, so that SiCl4 is conveniently and efficiently recovered, the recovery rate is over 97 percent, hazards caused by the byproduct silicon tetrachloride produced in the process of producing the polycrystalline silicon are eliminated, and the silicon tetrachloride is recycled; a series of 1-alkyl-3-methylimidazole ionic liquid is synthesized under the condition of microwave radiation, and the imidazole ionic liquid with stable property is taken as an absorbent to absorb the SiCl4 by using the characteristic that the ionic liquid adsorbs gas; and after the ionic liquid is subjected to adsorption saturation, SiCl4 gas is released from the ionic liquid by heating and vacuumizing, so that the aim of recovering the SiCl4 is fulfilled.
Owner:NANJING UNIV OF INFORMATION SCI & TECH
Parachloronitrobenzene hydrogenation reduction catalyst capable of being magnetically recycled and preparation method
InactiveCN105413693AImprove catalytic performanceEasy to recycleOrganic compound preparationChemical recyclingCobalt saltWater soluble
The invention relates to a parachloronitrobenzene hydrogenation reduction catalyst capable of being magnetically recycled and a preparation method. Prepared Fe3O4 nanometer magnetic particles and water-soluble cobalt salt are added into water; ultrasonic full mixing is performed under the protection of inert gas, a reducing agent is added, and a target product is obtained after full reaction under ultrasound. Relevant salts such as iron and cobalt which are rich in nature are adopted as a matrix, raw materials are easy to obtain, and the cost is low. The prepared catalyst can be recycled through an external magnetic field due to the fact that the catalyst contains the Fe3O4 nanometer magnetic particles. The grain size of the prepared catalyst is 5-30 nm, so that the specific surface area can be 100-180 m<2> / g, and thus extremely huge promoting effects can be achieved on reagent adsorption and dispersion in the catalytic reaction process, and finally the conversion rate and selectivity reach 100%. The preparation method is simple, low in energy consumption, environmentally friendly and suitable for industrial production.
Owner:SHANDONG NORMAL UNIV
Ship for comprehensively cleaning crude oil leaked on water
ActiveCN102211647AEasy and efficient recyclingPollution and toxic effectsWaterborne vesselsSpecial purpose vesselsDemulsifierCapillary electrophoresis
The invention relates to a ship for comprehensively cleaning crude oil leaked on water. The ship comprises a connection ship main body, a crude oil adsorption device, air separation devices, primary swirler separation devices, and secondary capillary electrophoresis separation devices. The connection ship main body comprises a left ship body and a right ship body, an oil storage cabin and a machinery cabin. Oil containment booms are arranged on the front parts of the ship body respectively; the crude oil adsorption device comprises a floating oil adsorption head, an oil conveying pipe and an oil pump. Each air separation device comprises a main tank body, a demulsifier feeding port, a top air release valve, a liquid level sensor, a crude oil and seawater mixed liquid inlet, a secondary separation liquid inlet, and a mixed liquid outlet. Each primary swirler separation device comprises a primary swirler, a primary swirler input pump, a secondary swirler, and a secondary swirler input pump. Each secondary capillary electrophoresis separation device comprises a high-pressure demulsification electric field and a capillary electrophoresis separation device. The ship has the advantages of high working performance, safety, and environment-friendliness; and mechanization operation does not have any polluted and harmful effect on a human body.
Owner:山东聊城明华金属制品有限公司
A kind of equipment and method for recovering freon in refrigerator
The invention discloses a device and method for recovering freon, which comprises a condensation separator, and a gaseous freon inlet and a liquid nitrogen inlet are provided on the side of the condensing separator; a nitrogen outlet is provided on the top of the condensing separator, and a device for recovering liquid freon is provided at the bottom The outlet of the liquid freon; the condensation separator is equipped with a heat exchange coil, the inlet of the heat exchange coil is connected with the external liquid nitrogen source through the liquid nitrogen inlet, and the outlet is connected with one end of the heat exchange tube of the refrigerator through a cold preservation pipe. The other end of the heat pipe is connected with the gaseous freon inlet; the nitrogen is discharged from another cold-preservation pipe connected to the nitrogen outlet. The invention utilizes a physical cooling method, adopts non-polluting liquid nitrogen as a coolant, and implements recovery of Freon conveniently and efficiently. The advantages are small investment, simple process, high recovery rate, batch production of stereotyped equipment, large and efficient recovery of resources and reduction of Freon emissions, and excellent environmental and social benefits.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Optical active substitution oxyphosphonate salt acetate and its use
InactiveCN1955185AHigh optical purityReduce consumptionGroup 5/15 element organic compoundsAcetic acidBenzene
This invention provides a salt that is produced by [(R)-[(1S)-2-methyl-1- (1-keto-propoxy)propoxy](4-benzene butyl) oxygen phosphino]acetic acid and 10,11-di-H Cinchonidine, its structure is shown by formula(1). This invention also provides preparation of using this salt to optically split racemoid which consists of [(R)-[(1S)-2-methyl-1-(1-keto-propoxy)propoxy](4-benzene butyl) oxygen phosphino] acetic acid and [(S)-[(1R)-2-methyl-1-(1-keto-propoxy) propoxy](4- benzene butyl) oxygen phosphino] acetic acid. Compared with present resolution preparation, the yield and optical purity of resolution is obviously raised, it needs not recryst many times to depurate, and dosis of resolution agent is reduced.
Owner:SHANGHAI INST OF PHARMA IND CO LTD
Iron scrap filter bed
InactiveCN102824959AEfficient recyclingHigh efficiency iron filingsMagnetic separationSurface filterScrap
The invention discloses an iron scrap filter bed, which comprises a mesh surface filter bed, wherein filter paper is put on the surface of the filter bed; one end of the filter bed is provided with a water squeezing roller and an electromagnetic roller which are arranged in parallel, are in extrusion contact and are in reverse rotation; the water squeezing roller is arranged on a liquid outlet side of a liquid tank above the filter bed; the electromagnetic roller is provided with a scraper on the side away from the water squeezing roller; a scraper edge is abutted against the electromagnetic roller; the scraper is downwardly and obliquely arranged; both the water squeezing roller and the electromagnetic roller are connected with a motor through a belt conveying device; the water squeezing roller rotates clockwise; the inner surface of the electromagnetic roller is provided with an electromagnet; the electromagnet is connected with the motor; the surface of the water squeezing roller is provided with plush fabric; a tail liquid inlet pipe is arranged on the side wall of the liquid tank; a liquid convergence tank is arranged below the filter bed; and a liquid discharge pipeline is arranged on the bottom surface of the liquid convergence tank. According to the iron scrap filter bed, iron scraps can be continuously and automatically recovered, and the collection efficiency is high.
Owner:WUJIANG HUAHENG PRECISION HARDWARE
Intelligent garbage can and use method thereof
The invention provides an intelligent garbage can which comprises a can body; the barrel body is internally provided with a cavity for accommodating garbage; the top of the barrel body is provided with a control box body; the control box body is internally provided with a control circuit board; the barrel body is internally provided with a garbage compression device; and the garbage compression device is arranged at the upper section part of the barrel body, is communicated with the control circuit board through a line and performs automatic compression on the garbage in the barrel body. By being combined with a small program, the intelligent garbage can intelligently and professionally recover domestic garbage, realizes intelligence, increases the correction rate of garbage classification, is more convenient, rapider and more efficient on the aspect of garbage recovery, reduces the cost for recovering the garbage, improves the recovery efficiency and strengthens the awareness of garbage classification of people.
Owner:SHANGHAI DIANJI UNIV
Filter for filtration collection of particles floating in water, and method for filtration collection of particles floating in water and method for control of water quality using the filter
InactiveCN101516465AEasy and efficient recyclingImprove filtration efficiencyOther chemical processesSpecific water treatment objectivesWater useSuspended particles
The present invention provides a novel filter for filtration and recovery of suspended particles in water, which can filtrate the suspended particles in water simply and fast as well as recover the particles efficiently, and a method for filtration and recovery. The method involves the process of physically filtrating suspended particles in water using a filter comprised of soluble powder layered on a support and then dissolving the soluble powder of the filter in acid to recover the suspended particles filtrated.
Owner:HEALTH SCI TECH TRANSFER CENT JAPAN HEALTH SCI FOUND
Method for the preparation of cinacalcet and intermediates and impurities thereof
ActiveUS8575395B2Simple and efficient and cost-effectiveEasy to carryIsocyanic acid derivatives preparationAmino compound purification/separationBenzeneAryl
A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
Owner:AMNEAL PHARMA +1
One-key reset control method and system for live-line overhaul robot
ActiveCN108436884AEnsure safetyRealize security protectionProgramme-controlled manipulatorSimulationPower substation
The invention discloses a one-key reset control method and system for a live-line overhaul robot. According to the one-key reset control method and system, the live-line overhaul robot is reset from top to bottom, data of all sensors are fused, the state of the robot is recorded, and the state reset is completed through comparison with the initial position; and meanwhile, safety protection in thereset process of the robot can be realized through the distance data and leakage current data of a mechanical arm and transformer substation equipment.
Owner:STATE GRID INTELLIGENCE TECH CO LTD
Optical separation method substituting oxyphosphonate acetate
InactiveCN1955176AHigh optical purityReduce consumptionGroup 5/15 element organic compoundsBenzeneAcetic acid
This invention provides a optical resolution preparation that substitutes oxygen phosphino-acetic acid, concretely relating to optical resolution preparation of racemoid which consists of [(R)-[(1S)-2-methyl-1-(1-keto-propoxy) propoxy] ( 4-benzene butyl)oxygen phosphino]acetic acid and [(S)-[(1R)-2-methyl-1- (1-keto-propoxy)propoxy](4- benzene butyl)oxygen phosphino]acetic acid. The preparation of this invention uses 10,11-di-H Cinchonidine shown in following formula(1) as resolution agent, compared with present resolution preparation, the yield and optical purity of resolution is obviously raised, it need not recryst many times to depurate, and dosis of resolution agent is reduced.
Owner:SHANGHAI INST OF PHARMA IND CO LTD
Hydrotalcite-based composite gel ball as well as preparation method and application thereof
ActiveCN108970589AThe preparation method is simple and controllableLow costOther chemical processesWater contaminantsNon toxicityHydrotalcite
The invention provides a hydrotalcite-based composite gel ball as well as a preparation method and application thereof, and belongs to the technical field of adsorbent preparation and water treatment.The hydrotalcite-based composite gel ball has the advantages that the two types of natural materials, namely sodium alginate and calcined hydrotalcite, are combined together by utilizing the gel property of sodium alginate, so as to prepare a hydrotalcite-based composite gel ball adsorbent with good adsorption property; the excellent adsorption property of hydrotalcite is utilized, and the non-toxicity property, good adsorption property and excellent forming ability of sodium alginate are realized; while the adsorption effect is improved, the recycling and separating are convenient; the preparation method is simple and is easy to control, the cost of preparation raw material is low, the economic and environment-friendly effects are realized, and the good industrialized application prospect and actual application value are realized.
Owner:NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI
Submerged-arc welding flux recycling and sorting mechanism
ActiveCN113083667AEasy and efficient recyclingSimple and effective classification filteringSievingScreeningStructural engineeringMechanical engineering
The invention relates to a submerged-arc welding flux recycling and sorting mechanism which comprises a supporting frame, a hopper is arranged on the supporting frame, a first-stage filter screen and a second-stage filter screen are sequentially arranged in the hopper from top to bottom, and a bearing plate is arranged below the second-stage filter screen; and the second-stage filter screen comprises a first inclined part and a second inclined part which are symmetrically arranged and downwards inclined towards the two sides, a gap is formed between the lowest position of the first inclined part and the inner wall of the hopper, and a gap is formed between the lowest position of the second inclined part and the inner wall of the hopper. The submerged-arc welding flux recycling and sorting mechanism has the characteristics that the welding flux can be simply, conveniently and efficiently recycled and reused, classified screening of the welding flux is simple and effective, and time and labor are saved.
Owner:ZHEJIANG KIN SHINE TECH
A kind of hydrotalcite-based composite gel ball and its preparation method and application
ActiveCN108970589BThe preparation method is simple and controllableLow costOther chemical processesWater contaminantsPhysical chemistryHydrotalcite
Owner:NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI
Method For The Preparation Of Cinacalcet And Intermediates And Impurities Thereof
ActiveUS20110319663A1Simple and efficient and cost-effectiveEasy to carryIsocyanic acid derivatives preparationAmino compound purification/separationBenzeneAryl
A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
Owner:AMNEAL PHARMA +1
Method for producing polymeric phosphorus-containing compound fertilizer by using citric acid-soluble phosphorus slag
ActiveCN114349572AHigh phosphorus contentMild responseSolid/semi-solid fertilisersFertilizer mixturesO-Phosphoric AcidEnvironmental engineering
The invention discloses a method for producing a polymeric phosphorus-containing compound fertilizer by using citric acid-soluble phosphorus slag, and relates to the technical field of polymeric phosphorus-containing compound fertilizer production. The method comprises the following steps: uniformly mixing citric acid-soluble phosphorus slag with phosphoric acid to prepare slag slurry with the solid content of 30-70%; adding urea into the slag slurry, heating to 80-130 DEG C, and stirring to react for 45-90 minutes to obtain neutralized slurry; adding a potassium source into the neutralized slurry, heating to 130-250 DEG C, and carrying out synthetic reaction for 30-150 minutes to obtain an initial product of the polymeric phosphorus-containing compound fertilizer; and cooling and crushing the initial product, and granulating to obtain a granular polymeric phosphorus-containing compound fertilizer finished product. The water-soluble P2O5 in the obtained finished product accounts for more than 75% of the effective P2O5 content, the polymerized P2O5 accounts for more than 35% of the effective P2O5 content, and the pH value of the product is 6-8. The method is simple in process, high in operability, free of waste in the process and environmentally friendly, and provides an effective way for efficient recycling of the citrate-soluble phosphorus slag.
Owner:YUNNAN YUNTIANHUA
Ship for comprehensively cleaning crude oil leaked on water
ActiveCN102211647BEasy and efficient recyclingPollution and toxic effectsWaterborne vesselsSpecial purpose vesselsDemulsifierCapillary electrophoresis
The invention relates to a ship for comprehensively cleaning crude oil leaked on water. The ship comprises a connection ship main body, a crude oil adsorption device, air separation devices, primary swirler separation devices, and secondary capillary electrophoresis separation devices. The connection ship main body comprises a left ship body and a right ship body, an oil storage cabin and a machinery cabin. Oil containment booms are arranged on the front parts of the ship body respectively; the crude oil adsorption device comprises a floating oil adsorption head, an oil conveying pipe and an oil pump. Each air separation device comprises a main tank body, a demulsifier feeding port, a top air release valve, a liquid level sensor, a crude oil and seawater mixed liquid inlet, a secondary separation liquid inlet, and a mixed liquid outlet. Each primary swirler separation device comprises a primary swirler, a primary swirler input pump, a secondary swirler, and a secondary swirler input pump. Each secondary capillary electrophoresis separation device comprises a high-pressure demulsification electric field and a capillary electrophoresis separation device. The ship has the advantages of high working performance, safety, and environment-friendliness; and mechanization operation does not have any polluted and harmful effect on a human body.
Owner:山东聊城明华金属制品有限公司
A kind of preparation method of magnetic core-shell alginate microsphere adsorbent
ActiveCN104707575BCause secondary pollutionEasy disposalOther chemical processesAlkali metal oxides/hydroxidesSorbentHigh pressure
Owner:SOUTHWEAT UNIV OF SCI & TECH
Trimethylgallium on-line analysis device and analysis method thereof
ActiveCN113945669AEasy and efficient recyclingEasy to receiveComponent separationProcess engineeringAnalysis method
The invention discloses a trimethylgallium on-line analysis device and an analysis method thereof. According to the trimethyl gallium on-line analysis device and the analysis method thereof, continuous multiple sampling can be carried out, sample recovery is convenient and efficient, pretreatment can be carried out on a pipeline before analysis requirements, the result can be completed within one hour, a sampling bottle does not need to be disassembled, tail gas receiving is also convenient, post replacement is carried out on the analysis result, and interference on subsequent analysis is avoided. The device is provided with a plurality of lines and a plurality of valves, a plurality of process lines are combined, a plurality of analysis pipelines are connected in parallel, and on-line sample analysis of the process lines can be carried out in a short time, so that seven functional steps of pre-replacement, blank test, sampling, analysis, tail gas receiving, sample recovery and post-replacement can be realized.
Owner:安徽亚格盛电子新材料有限公司
Recycling device suitable for building garbage
InactiveCN110653031AEasy to moveEasy and efficient recyclingDirt cleaningGrain treatmentsProcess engineeringConstruction waste
The invention provides a recycling device suitable for building garbage. The recycling device suitable for building garbage comprises a recycling machine body, a recycling pipe, a recycling head and adischarging pipe; one end of the recycling machine body is provided with the recycling pipe, and the other end of the recycling machine body is provided with the discharging pipe; the recycling headis arranged on the recycling pipe, and the recycling head is a firing pin; and the recycling machine body can pump concrete scraps crashed by the recycling head into the machine body. According to thescheme, the labor cost can be saved, the building garbage can be quickly and efficiently removed, and large concrete blocks can also be recycled with extremely high efficiency.
Owner:济宁市博韬玻璃制品有限公司
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