833results about How to "Reduce separation costs" patented technology

A display device with an integrated touch screen according to an embodiment, includes a display panel including a touch screen provided in an active area of the display panel, and a display driver circuit provided in an inactive area of the display panel, the touch screen including a plurality of driving electrodes, each of the driving electrodes including a plurality of sub driving electrodes positioned in the active area of the display panel but electrically connected to each other in the inactive area of the display panel, the touch screen further including a plurality of sensing electrodes disposed between the sub driving electrodes and formed in the active area of the panel, and the display driver circuit configured to apply a common voltage to the driving electrodes and the sensing electrodes or a touch driving voltage to the driving electrodes according to a driving mode of the display panel.

The invention discloses a method for recycling nickel, cobalt and manganese synchronously from a sulfuric acid leaching solution containing waste residues of nickel, cobalt and manganese. The method comprises the steps of firstly, removing iron and aluminum from the leaching solution through an oxidation and precipitation method; then, removing the element copper through extraction; then, extracting zinc; and finally, extracting nickel, cobalt and manganese synchronously with tributyl phosphate and saponified neodecanoic acid. By means of the method, nickel, cobalt and manganese in the leaching solution containing the waste residues of nickel, cobalt and manganese can be extracted and recycled synchronously; calcium and magnesium in a raw solution cannot exert an influence on the extraction process; separation cost for recycling the elements nickel, cobalt and manganese separately is lowered; and raw material cost for preparing a nickel-cobalt-manganese-salt ternary battery material is lowered.

The invention provides a method for preparing ethylene and propylene and co-producing p-xylene through methanol / dimethyl ether conversion. The method adopts a silanization-modified zeolite catalyst to co-produce p-xylene as a main component in aromatic hydrocarbon while preparing ethylene and propylene through methanol conversion. The overall selectivity of ethylene, propylene and p-xylene in hydrocarbon products is more than 80 percent by weight. The selectivity of p-xylene in xylene isomers is more than 99 percent by weight.

The invention discloses a responsive oil and water separation net film with an underwater super lipophobicity property and a preparation method thereof. The method comprises the following steps of: (1) dissolving a polymer monomer, a photoinitiator, a cross-linking agent and a thickening agent in water so as to obtain a mixed solution; (2) soaking a fabric net in the mixed solution; and (3) taking out the fabric net, carrying out a polymerization reaction on the soaked fabric net in ultraviolet light the wavelength of which is 365nm so as to obtain a polymer hydrogel coating layer in the fabric net, and then obtain the responsive oil and water separation net film with the underwater super lipophobicity property. The responsive oil and water separation net film with the underwater super lipophobicity property, provided by the invention, has the advantages that the oil-contaminated water can be separated, meanwhile, the temperature and pH dual responsive characteristics are realized, the controllable oil and water separation is realized, a separation device is simplified, and the separation cost is saved.

The invention discloses a device and method to prepare aniline by the nitrobenzene gas phase hydrogenization, and the device mainly includes a fluidized bed reactor set at the raw material gas inlet at the bottom of the reactor, a first gas distributor on the top of the gas inlet, a second gas distributor separating the reactor in the middle of axial height of the reactor into two catalyst dense phase regions, and heat exchangers in two catalyst dense phase regions; catalyst overflow device connected with two catalyst dense phase regions and gas-solid separator. It also discloses a method to prepare aniline by the device, mainly including: the steps of controlling the mol ratio of hydrogen gas to nitrobenzene, controlling the temperature in two catalyst dense phase regions, etc. It has advantages of large reactor operation flexibility, high nitrobenzene conversion, high aniline production selectivity, high product purity, etc.

The invention provides a magnetic zeolite imidazate metal organic skeletal material, preparation thereof and application to liquid phase condensation catalytic reaction, and the invention belongs to the field of magnetic zeolite imidazate metal organic skeletal material technology. The invention employs FeCl3.6H2O to prepare Fe3O4 core with superparamagnetism, and cetyl trimethyl ammonium bromide is used as a template, and sodium silicate is used as silicon source of SiO2 casing layer, and a SiO2 casing layer with meso pores is formed on Fe3O4 using supersonic wave, and template is roasted and removed under N2 after drying, and magnetic SiO2@Fe3O4 nanospheres are prepared. imidazate metal organic skeletal structure is formed on surface of magnetic core SiO2@Fe3O4 with Zn or Co metal ions and 2-methylimidazole or benzimidazole ligand by in-situ self assembly using supersonic wave, and the magnetic ZIFs@SiO2@Fe3O4 material is obtained. The ZIF material is used for liquid phase condensation reaction catalysis.

Systems and methods are disclosed that allow a user to access communications services using a service node or a computer suitably connected to a communications-applications support system at a service provider's facility. The user is provided with information as to the communications services available. These services may be ordered for implementation on and use with the service node or the user's computer or on the computer used in connection with the support system. The implementation and performance of the communications services for the user be monitored, and if substandard, then remedial action may be taken by the system. Also, upgrades, maintenance, and new services may be transferred from the system to the user's computer as appropriate. Advantageously, the user is relieved from provisioning, configuring, maintaining, updating, or educating individuals about these communications services.

The invention provides metal-organic framework materials with magnetic cores and preparation and application thereof, and belongs to the technical field of magnetic metal-organic framework materials. FeCl3 6H2O is adopted for preparing superparamagnetic Fe3O4 cores, cetyl trimethyl ammonium bromide is used as a template agent, sodium silicate is used as silicon sources of SiO2 shell layers, mesoporous SiO2 shell layers are formed on the surfaces of the Fe3O4 cores by adopting an ultrasonic wave method, the template agent is removed by roasting under protection of N2 after drying, and magnetic SiO2@Fe3O4 nanospheres are prepared. The SiO2@Fe3O4 nanospheres are used as cores, an in-situ self-assembly mesh structure IRMOFs is carried out on the surfaces of the SiO2@Fe3O4 cores through Zn metal ions and organic carboxylic acid ligands by adopting the ultrasonic wave method. The novel MOFs materials can be used as catalysts of liquid phase catalysis reaction, and also have application values in the aspects of adsorption, separation, biological medicine and the like.

The invention discloses a method for resource utilization of fluoroform. The method is characterized by mixing fluoroform with one or a plurality of halohydrocarbon, converting the mixture into a product containing monochlorodifluoromethane in the presence of a catalyst, and reacting unreacted fluoroform with other reaction products in a reactor. According to the method, chlorofluorocarbon containing chlorine or bromine or chlorofluorocarbon which contains chlorine or bromine and needs to be processed during a production process is utilized as reaction material to perform chlorine / fluorine exchange reaction with fluoroform to prepare monochlorodifluoromethane, better economic benefits and social benefits are provided; and in products, monochlorodifluoromethane can be recycled though separation, remained waste gas does not need to be processed, and can still enter the reactor as gas reacted with fluoroform, the conversion rate of reactants is improved, and zero-discharge is realized.

The invention relates to a loaded nano-copper magnetic catalyst used for catalytic conversion of aqueous solution of formaldehyde for preparing hydrogen and a preparation method thereof. The method comprises the following steps of: preparing magnetic Fe3O4 from low-cost FeCl2.4H2O and FeCl3.6H2O; coating a layer of SiO2 on the surface of the Fe3O4 to prepare a magnetic Fe3O4@SiO2 catalyst carrier; dispersing the magnetic Fe3O4@SiO2 in a copper ammonia complex; and reducing the dispersed substance by using a hydrazine hydrate to obtain a Cu / Fe3O4@SiO2 magnetic catalyst having a nano-scale Cu active ingredient. High-purity hydrogen can be obtained under a room temperature condition by applying the Cu / Fe3O4@SiO2 magnetic catalyst to the catalytic reaction of the solution of formaldehyde for preparing hydrogen and the separation of the catalyst from reactants can be realized easily by adding a magnetic field outside. Simultaneously, the catalyst can be reused repeatedly.

The invention discloses an organic waste gas adsorbing recovery device and a process. The device comprises at least two macromolecule resin adsorbing towers, a heat pump, a vacuum pump, a condenser, a liquid storing tank and the like, wherein the macromolecule resin adsorbing towers are internally provided with waste gas inlet regions, purifying regions for adsorbing and purifying gas and a purifying gas discharging region; the purifying regions are provided with adsorbing layers which are horizontally paved, the adsorbing layers are composed of multi-hole supporting plates fixed on the adsorbing towers, heat exchanging coils paved above the multi-hole supporting plates and macromolecule resin layers which are fully paved on the cross sections of the adsorbing towers above the heat exchanging coils successively in a overlaying manner, and the heat exchanging coils are provided with inlets and outlets communicated with the heat pump arranged outside the adsorbing towers. The organic waste gas adsorbing recovery device and the process provided by the invention have the advantages that a non-flammable macromolecule resin is adopted as an adsorbing material, the removing rate of middle-high concentration organic waste gas is more than 98%, the organic waste gas recovery rate is more than 95%, the resin is fully regenerated, and the organic waste gas can reach the discharge standard.

An apparatus for reclaiming the city life garbage is composed of feeding hopper, rod-type bag breaker, hexagonal rolling sieve, conveying belt, electromagnetic separator, drum-type pneumatic separator, wind distributor, jump sieve, fine-teeth rolling machine, beater, moving sieve, pulverizer, washing unit, paper-plastics separator, Al-plastics separator, granulating unit, grinder, mixer and paper-making machine. Its method is also disclosed.

The invention discloses a separating agent for extracting asphaltum from oil sand, the separating agent comprises components with the weight percentage as follows: sodium (or potassium) hydroxide (0.1-0.5 percent); sodium (or potassium) phosphate (0.5-2 percent), sodium (or potassium) silicic acid (1-5.5 percent), sodium (or potassium) carbonate (0.5-1 percent), sodium chloride (0.1-0.5 percent), oil solvent (3-7 percent), surfactant (0.1-0.5 percent), and water (85-94 percent). The technology with the separating agent to extract asphaltum is simple and easy to control. The recovery ratio of the asphaltum reaches to more than 94 percent, with significant separating effect. Meanwhile, the dose of sodium hydroxide needed by the separating agent is small, the agent can be used repeatedly with little loss, low price and cost, thereby greatly decreasing the separation cost, improving the economic benefits, and being favorable for environmental protection.

The invention discloses a separation method for 1,5-pentanediamine. The separation method comprises the following steps: (1) contacting a 1,5-pentanediamine solution with cationic resin and carrying out adsorption; and (2) eluting 1,5-pentanediamine adsorbed onto the resin. Compared with the prior art, the separation and recovery method for 1,5-pentanediamine in the invention increases the yield of 1,5-pentanediamine; a treated solution obtained after adsorption by resin is basically free of 1,5-pentanediamine residues and the resin does not adsorb tetrahydropyridine, thalli, proteins and other impurities, so separated 1,5-pentanediamine is high in purity and low in impurity content; and the treated solution obtained after resin adsorption does not contain any polar organic solvent, so thesolution is free of harm to environment and easy to treat, and environmental pollution and separation cost are reduced. Meanwhile, a 1,5-pentanediamine diacid solution obtained after elution with diacid can be directly used as a raw material for synthesis of high-performance polyamide.

The invention relates to a process for preparing diglyceride grease comprising the steps of, (1) adsorbing the glycerine onto adsorption material, (2) mixing the adsorption material obtained in step (1) and glycerine with triglyceride, using immobilization lipolytic enzyme as catalyst for catalyzing the reaction between triglyceride and glycerine at 20-90 deg. C, (3) separation by removing immobilization lipolytic enzyme and glycerine adsorption material from the outcome yield of (2), separating aliphatic acid to obtain diglyceride grease.

The invention provides an extraction and purification method of cordycepin from Cordyceps militaris, and belongs to the deep-processing technical field of agricultural products. The method comprises the following steps: crushing Cordyceps militaris raw material, mixing the raw material with water at 1:20 raw material / water ratio, performing ultrasonic extraction, and performing centrifugal filtration on obtained extracting solution and pouring in a macroporous resin column at the adsorption flow of 1.8BV / hr; taking 15% methanol aqueous solution as an eluant to perform resin column elution, and decompressing and condensing obtained eluent at the temperature of 60 DEG C by a rotary evaporator to obtain Cordyceps militaris cordycepin concentrate. The method can help realize aqueous solution extraction of the cordycepin from the Cordyceps militaris raw material at low temperature, and the extraction rate reaches 85%; and polysaccharide and protein can be removed from the extract by macroporous resin separation and purification, thus the content of the cordycepin in the extract can reach 10%. The cordycepin in the Cordyceps militaris product has high activity, can be taken as a raw material for producing cordycepin monomer and can also be directly taken as an additive of health products and functional food, thus the cordycepin has wide market development prospect.

A method for attaching imagers to color-separation prisms includes the steps of: arranging three solid-state array image sensor integrated circuits behind and in close proximity to the output faces of a color-separating prism having substantially equal optical path lengths for the three paths, the three solid-state array image sensor integrated circuits each having a solid-state array image sensor and bonding pads for electrical connections disposed on a top face thereof; aligning the three sensors such that the images traversing the three paths are coincident within a pixel dimension of the image sensors; filling the space between each output face of the prism and the top face of the corresponding image sensor with index-matched adhesive; and causing the index-matched adhesive to become rigid while maintaining the alignment of the three image sensors.

The invention discloses a preparation method of a polydimethylsiloxane-carbon nano tube composite membrane. The preparation method comprises the following steps of (1) preparing a polydimethylsiloxane membrane solution: fully and uniformly mixing polydimethylsiloxane and a cross-linking agent based on the mass ratio of 10:1; (2) adding carbon nano tubes and a dissolution promoter to the polydimethylsiloxane membrane solution, fully stirring to be uniform, uniformly coating the membrane solution on a smooth substrate, and drying the membrane at the constant temperature for 3-9 hours, so as to obtain the polydimethylsiloxane-carbon nano tube composite membrane. The invention further discloses a composite membrane prepared by the method and a method for separating and purifying butyl alcohol by utilizing the prepared composite membrane. According to the polydimethylsiloxane-carbon nano tube composite membrane prepared by the method disclosed by the invention, the production, separation and purification efficiencies of the butyl alcohol and acetone are effectively improved, and the further technical support is provided for the production, separation and purification of liquid bio-fuel and biology-base chemical products for mainly producing the butyl alcohol and the acetone by a biological method currently.

The invention discloses an inositol preparing method and belongs to the field of enzymatic preparation of inositol. According to the method, starch, cellulose or derivatives thereof are used as substrates and converted into inositol in a multi-enzyme reaction system through in-vitro multi-enzyme efficient catalysis. By conducting process optimization, adding enzymes capable of promoting starch or cellulose hydrolysis and utilizing the enzyme of the byproduct glucose, the multi-enzyme reaction system is established, and raw material conversion efficiency and inositol yield are improved remarkably. By the adoption of the method, raw material conversion rate is high, inositol yield is high, steps are simple, production cost is low, influence on the environment is small, and large-scale production of inositol can be achieved.

The present invention discloses process of epoxidizing cyclohexene with hydrogen peroxide to prepare cyclohexane epoxide. The process includes the following steps: adding hydrogen peroxide and composite catalyst into cyclohexene to react at 20-70 deg.c for 2-10 hr, filtering off catalyst after finishing reaction, separating oil phase, and rectifying to obtain cyclohexane epoxide. The composite catalyst consists of component A and component B, the component A is C-[(R1)n0-(OCH2OCH2)n1-YR2R3R4]m1(Q1)m2Xn2D, and component B is salt. The process of the present invention has the features of no use of solvent, high catalytic activity, high reaction selectivity, high yield, recoverability of component A of catalyst and no pollution.

The invention discloses a method for catalytically oxidizing cyclohexane, which is characterized in that cyclohexane, hydrogen peroxide and a catalyst are in contact for reacting, the mol ratio of the cyclohexane to the hydrogen peroxide is 0.5-8, the concentration of the catalyst in a reaction system is 0.005-0.1g / min, the reaction temperature is 40-150 DEG C, the catalyst is a titanium-silicon molecular sieve with an MFI structure, a hysteresis loop exits between an adsorption isotherm and a desorption isotherm of low-temperature nitrogen absorption of the molecular sieve, a crystalline grain is a single hollow crystalline grain or an aggregated crystalline grain formed by the aggregation of a plurality of hollow crystalline grains, the radial length of the cavity part of the hollow crystalline grains is 5-300nm, and the benzene adsorption capacity of the sample of the molecular sieve, measured under the conditions that the absorption time is 1h, the temperature is 25 DEG C and P / P0 is equal to 0.10, is at least 70mg / g. The method has the advantages of high selectivity of a target product and environment protection.

The present invention discloses a method for extracting tea-polyphenol from Laoying tea. Its extraction method includes the following steps: selecting raw material Laoying tea, utilizing hot water to make extraction, coarse filtering, centrifugal separation, ultra-filtration, utilizing macroporous resin to make adsorption, elution, nano-filtration, recovering solvent and freeze-drying so as to obtain the tea-polyphenol finished product.

The invention discloses a flotation separation method for molybdenite and galena, which comprises the following steps of: 1, rough grinding; 2, rough selection and scavenging for obtaining lead-containing molybdenum rough concentrate; 3, regrinding after a certain amount of active carbon is added into the lead-containing molybdenum rough concentrate; and 4, multiple selection: selecting the reground lead-containing molybdenum rough concentrate for multiple times according to the conventional selection process, adding a galena inhibitor into the lead-containing molybdenum rough concentrate at each time of selection, and then adding a molybdenite collecting agent and a foaming agent into the lead-containing molybdenum rough concentrate as required. The method has the advantages of simple separation process, reasonable design, good separation effect and capabilities of reducing the lead content to be as minimum as possible in an ore dressing process of molybdenum, effectively improving the reclamation rate of the molybdenum and thoroughly reducing the pollution of the lead to the environment at the same time of reducing the molybdenum concentrate smelting production cost and simplifying the production process.

The invention aims to provide a material for preparing a molecular imprinted polymer by taking luteolin as a template and adopting a molecular imprinting technique method, and a method for separating and purifying the luteolin in a natural product, and belongs to the field of separation and purification of effective components from the natural product. The method comprises the following steps: (1) crude extraction, namely sequentially washing, drying, crushing and sieving peanut shells, extracting the peanut shell powder with 70 percent ethanol time by time under the assistance of ultrasonic waves, and concentrating and drying the extract; (2) preparation of the polymer, namely weighing the pure luteolin, a functional monomer, a cross-linking agent and an initiating agent in proportion, dissolving the materials in a solvent, performing ultrasonic processing, degassing and polymerization on the solution to obtain the block polymer, and sequentially grinding, sieving and eluting the block polymer to obtain the molecular imprinted polymer of the luteolin; and (3) purification, namely loading the prepared molecular imprinted polymer into a solid-phase extraction column, loading the crude extract, washing off the luteolin left on the column after removing impurities by eluting, concentrating and drying the luteolin to obtain the pure product of the luteolin.

The invention provides a method for preparing a bamboo-based activated carbon and a preparation device thereof. The method comprises the following steps: A, drying, namely crushing bamboo materials at 250-350 DEG G and drying the crushed bamboo materials by drying air; B charring, namely charring the dry bamboo materials under the oxygen deficit condition by using 550-700 DEG C pyrolysis gas as thermal supports; C activating, namely spraying water steam to the charred bamboo materials, activating the bamboo carbon under the oxygen deficit condition at the activating temperature of 900-1000 DEG C, and cooling the activated bamboo carbon to obtain the bamboo-based activated carbon. The reaction is uniform and complete, the water steam in the activating process is completely contacted with the charred material, the generated activated carbon does not easily head and scale in the furnace, and the stability of product quality and the rate of carbon are improved. Moreover, the charring dry-distillation residual heat is completely utilized, the energy consumption is reduced, the charring dry-distillation by-products are recovered, the fume emission is reduced, the pollution to environment is reduced, and the comprehensive utilization rate of the bamboo materials is improved.

A process for the production of dialkyl carbonates from the reaction of alcohol, for example C1-C3 alcohols, with urea is disclosed wherein the water and ammonium carbamates impurities in the feed are removed in a prereactor. The water is reacted with urea in the feed to produce ammonium carbamate which is decomposed along with the ammonium carbamates originally in the feed to ammonia and carbon dioxide. In addition some of the urea is reacted with the alcohol in the first reactor to produce alkyl carbamate which is a precursor to dialkyl carbonate. Dialkyl carbonates are produced in the second reaction zone. The undesired by-product N-alkyl alkyl carbamates are continuously distilled off from the second reaction zone along with ammonia, alcohol and dialkyl carbonates under the steady state reactor operation. N-alkyl alkyl carbamates can be converted to heterocyclic compounds in a third reaction zone to remove as solids from the system.

The invention discloses a soft separation method of conducted electromagnetic interference noise based on a blind signal processing technology, belonging to the field of conducted electromagnetic interference noise inhibition. The method comprises the following steps of: carrying out probe frequency spectrum estimation and compensation on two current probes; simultaneously measuring electromagnetic interference noise time domain signals on a live wire and a middle wire of an electronic system by the two current probes and a double-trace oscilloscope; carrying out blind separation on electromagnetic interference noise by utilizing a Fast ICA (Independent Component Analysis) algorithm in a blind signal processing method to obtain a signal source vector estimation value; and finally, judging the property of separation signals based on the maximum cross correlation coefficient of blind separation signals and common mode or differential mode reference signals. The invention overcomes the defects of using a radiofrequency transformer or a power divider to carry out hard separation on common mode noise and differential mode noise, has the advantages of high separation accuracy and favorable practicability, and lowers the cost.

The invention relates to a method for simultaneously preparing total caffeoylquinic acid and stevioside by taking stevia as a raw material. The method comprises the following steps that: the stevia is extracted with water or an organic solvent under the action of heating, microwave or ultrasound-assisting, and a stevioside and caffeoylquinic acid extraction liquid is obtained after solid-liquid separation, and then is subjected to extraction separation; and finally, a pure product of total steviol glycoside and total caffeoylquinic acid is obtained after purification. On the basis of the traditional stevia production process, a total caffeoylquinic acid extraction process is added, so that the two types of products, i.e., the stevioside and the total caffeoylquinic acid, can be simultaneously obtained by taking the stevia as the raw material, the raw material source of the total caffeoylquinic acid substance is broadened, and the two types of high-value-added products can be simultaneously produced by the same raw material, and thus the production costs of the two types of products can be greatly reduced, the waste of resources and the environmental pollution can be reduced, the requirements of the sustainable development strategy can be met, and the application prospect is good.

The invention discloses a lactic acid production device for fermentation and separation coupling and a lactic acid fermentation process using expanded bed in-situ adsorption to realize online separation. In the invention, an expanded bed and a fermentation tank are coupled, the online separation of lactic acid fermentation is realized by using the expanded bed method, so that the feedback inhibition of lactic acid is relieved, the yield and the conversion rate of the lactic acid fermentation are increased, and meanwhile, the problem of bed blockage by thalli when a fixed bed is used for absorbing the lactic acid in the prior art. Untreated fermentation liquor is permitted to directly enter a chromatographic column. Because the synchronization of fermentation and separation is realized, the cost of downstream extraction and separation in the prior art is greatly reduced.