77 results about "Organic liquids" patented technology

The invention discloses a green synthesis ammonia and organic liquid hydrogen storage combined device. The device comprises a water electrolysis hydrogen production device, a nitrogen production device, an organic liquid hydrogen storage device, a low-pressure gas compressor, a synthesis gas compressor and an ammonia synthesis device, the water electrolysis hydrogen production device produces hydrogen and conveys the hydrogen to the organic liquid hydrogen storage device and the synthesis gas compressor; the nitrogen making device is used for making nitrogen and conveying nitrogen to the organic liquid hydrogen storage device and the synthesis gas compressor; the organic liquid hydrogen storage device reacts hydrogen-poor organic liquid with hydrogen generated by the water electrolysis hydrogen production device to generate hydrogen-rich organic liquid, nitrogen is introduced into the hydrogen-rich organic liquid for dehydrogenation reaction, and the hydrogen and the nitrogen are input into the low-pressure gas compressor; the low-pressure gas compressor and the synthesis gas compressor compress hydrogen and nitrogen and input the compressed hydrogen and nitrogen into the ammonia synthesis device; and the ammonia synthesis device generates ammonia under the action of the catalyst. The gas-liquid mass transfer efficiency and the hydrogen desorption rate are improved, the energy consumption and the operation and maintenance cost of the compressor are reduced, and accurate adjustment of the hydrogen-nitrogen ratio is achieved.

The invention belongs to the technical field of organic liquid hydrogen storage, and discloses a catalyst and a preparation method thereof, and hydrogenation and dehydrogenation methods of a liquid organic hydrogen carrier. The catalyst is used for hydrogenation and dehydrogenation of a liquid organic hydrogen carrier, the catalyst comprises a nickel element and an aluminum element, and the average particle size of the catalyst is 300-900 [mu] m. The catalyst provided by the invention has relatively high hydrogenation and dehydrogenation activity and long-period stability, meanwhile, the preparation cost of the catalyst is greatly reduced compared with that of a traditional noble metal catalyst, and further commercial application of an organic liquid hydrogen storage technology is facilitated.

The invention relates to the field of impurity separation, and discloses a method for separating impurities in a liquid phase and application, the method comprises the following steps: (1) contacting a liquid-phase raw material with an adsorbent for adsorption to obtain a liquid-phase material flow; the liquid-phase raw material comprises an organic liquid hydrogen storage substance and impurities; the adsorbent preferentially adsorbs impurities in the liquid-phase raw material; (2) carrying out back-flushing desorption on the adsorbent by using part of the liquid-phase material flow to obtain a desorption solution; based on the total mass of the desorption solution, the impurity content in the desorption solution is 2-5%; (3) feeding the desorption liquid into a rectifying tower, carrying out rectification separation, and outputting the obtained tower bottom distillate and the residual part of liquid phase material flow as products; and (4) regenerating the adsorbent after backwashing desorption. The method has the characteristics of high purity of the organic liquid hydrogen storage substance, low cost and no introduction of new impurities.

This invention relates to an aqueous polyurethane composition comprising: a liquid medium comprising at least one organic liquid having a solubility in water of ≥4 g organic liquid / 100 g water at 25°C, and water; at least one polyurethane polymer compound dispersed in the liquid medium; and optionally at least one coating formulation component. The polyurethane composition further comprises at least one thickener comprising at least one anionic polymer selected from anionic polyacrylamide, anionic polymethacrylamide, anionic polyacrylamide-polymethacrylamide, and / or a mixture of at least two thereof, and optionally, 0 to 0.12% by weight, preferably 0 to 0.05% by weight, more preferably 0 to 0.01% by weight, based on 100% of the total weight of the aqueous polyurethane composition, at least one compound selected from unbound or ionicly bound organic amines, ammonia, or a mixture of at least two thereof, wherein the aqueous polyurethane composition has a pH value ≤ 8.5, and wherein the at least one thickener is different from the at least one coating formulation component and the at least one polyurethane polymer. The present invention further relates to a kit-of-parts for preparing a waterborne polyurethane composition, a method for preparing a waterborne polyurethane composition, and the use of the waterborne composition.

This invention relates to the field of fertilizer technology, specifically to an organic liquid fertilizer based on straw enzymatic hydrolysate and its preparation method. The method includes: pretreating corn straw with potassium hydroxide, followed by enzymatic hydrolysis with cellulase and xylanase to obtain the enzymatic supernatant; sequentially treating the supernatant with an ultrafiltration membrane with a molecular weight cutoff of 3000 Da and a nanofiltration membrane with a molecular weight cutoff of 500 Da to collect oligosaccharides with a molecular weight window of 500-3000 Da; partially stabilizing the reducing end of the oligosaccharides with sodium borohydride; pre-complexing with boric acid at pH 8.4-8.8; then sequentially adding relatively low molecular weight sodium polyglutamate, calcium chloride dihydrate aqueous solution, and ultra-high molecular weight sodium polyglutamate to construct a sequential complexation system; subsequently adding potassium nitrate and citric acid aqueous solution; and finally, after filtration at 5 μm and heat treatment at 70℃, obtaining the organic liquid fertilizer. This fertilizer has a high proportion of 500-3000 Da oligosaccharides and a low reducing sugar equivalent, inhibiting storage precipitation and browning, and improving the retention rate of extractable oligosaccharides in the soil.

The invention belongs to the technical field of clean energy smelting, and particularly relates to an organic liquid hydrogen storage and fuel cell integrated system and method for hydrogen energy steelmaking. Comprising a solid oxide fuel cell module, an organic liquid hydrogen storage module and a hydrogen energy steelmaking module, high-temperature heat energy and electric energy generated by the solid oxide fuel cell module are transmitted to the hydrogen energy steelmaking module, and medium and low-temperature heat energy generated by the solid oxide fuel cell module is transmitted to the organic liquid hydrogen storage module; the organic liquid hydrogen storage module supplies hydrogen to the solid oxide fuel cell module and the hydrogen energy steelmaking module; a solid oxide fuel cell is adopted and is matched with organic liquid for hydrogen storage, so that efficient and stable hydrogen storage, heat supply and power supply integrated service is provided for hydrogen energy steelmaking; the organic liquid is used for storing hydrogen, so that a stable hydrogen storage service can be provided for hydrogen energy steelmaking, and a hydrogen storage service can also be provided for a solid oxide fuel cell.

The present invention relates to the field of sanitary devices and in particular it relates to a disposable absorbent mat. usable in general to protect any surface which may come into contact with urine or other type of organic liquid. Said disposable absorbent mat (100) comprises: a liquid absorbing pad (1) having a predefined length and width delimiting an effective area (23); a sheet of liquid-impermeable material (2), coupled laid under said absorbent pad (1), so as to define a first (21) and a second (22) pair of opposite free edges. arranged outside the effective area (23) occupied by said absorbent pad (1); a sheet of liquid-permeable material (3), coupled superimposed on said absorbent pad (1) on the opposite side with respect to said sheet of liquid-impermeable material (2); first lateral closing means of said absorbent pad (1) against the leakage of liquids. Said absorbent mat (100) comprises a first (4) and a second (5) strip of liquid-impermeable material to define second lateral closing means of said absorbent pad (1) against the leakage of liquids, arranged orthogonally with respect to said first lateral closing means. The invention also relates to a process for manufacturing said disposable absorbent mat.

Provided is a medical adhesive comprising: a water-dispersible acrylic polymer obtained by polymerization of an alkyl (meth)acrylate; and an organic liquid component having a molecular weight of 1,500-7,000 and a hydrophobic ratio of 38-75%.

The application discloses a kind of based on nano microcrystalline metal powder and organic liquid hydride multi-medium composite slurry hydrogen storage material and its preparation method, and multi-medium composite slurry hydrogen storage material includes nano microcrystalline metal powder for hydrolysis heat production, hydrogen release endothermic organic liquid hydride and catalyst;Nano microcrystalline metal powder content is 1~40wt.%, and organic liquid hydride content is 50~95wt.%, and the content of catalyst is 1~25wt.%.The application combines the advantages of metal powder and organic liquid hydride, by covering metal powder in organic liquid hydride, on the one hand, the passivation problem of metal powder surface is solved, effectively isolates metal powder and air contact, prevents the formation of oxide;On the other hand, the heat generated by the reaction of metal and water is absorbed by organic liquid hydride, thereby improving the mass transfer efficiency, and reducing the energy loss in heat transfer process.

The utility model belongs to the technical field of coking technologies, particularly relates to a barrel conveying device with a protection function, and aims to solve the problems of high danger coefficient and long contact time with air in the background technology, the barrel conveying device comprises a nitrogen pipeline, and a control valve is mounted on the outer wall of the nitrogen pipeline. The nitrogen pipeline is fixedly connected with a water seal insertion pipe through a three-way pipe, and a protection water seal is inserted into the outer wall of the water seal insertion pipe. The nitrogen gas is used as driving gas, the pressure of the nitrogen gas is controlled not to exceed the maximum pressure by the water seal, the organic liquid is conveyed in an anaerobic atmosphere, the device has the characteristics of simplicity, safety and reliability, the nitrogen gas is used as the driving gas to prevent the organic liquid from being contacted with air, the safety is higher, and the service life is prolonged. The overpressure protection water seal ensures that the oil drum does not have the top bulging danger phenomenon in the oil conveying process, oil stored in the oil drum can reach the minimum amount, the drum is very convenient and rapid to replace, and the siphon oil pouring phenomenon does not occur.

Embodiments of the present disclosure generally relate to processes for recycling a composite material. In an embodiment is provided a process for recycling a composite material. The process includes reacting a mixture comprising an amine and a composite material comprising reinforcement material and a cured thermosetting resin matrix to form a reaction product mixture. The process further includes isolating the reinforcement material from the reaction product mixture and isolating an organic liquid composition comprising degraded residues from the reaction product mixture. The reinforcement material and organic liquid composition isolated may be re-used to make new materials.

The application relates to the technical field of organic liquid hydrogen storage, and discloses a catalyst, a preparation method thereof and application of the catalyst in organic liquid hydrogenation reaction. The preparation method comprises the following steps: (1) mixing a composite solution containing nickel salt, aluminum salt and M salt, an organic acid, a dispersing agent and a mesoporous template to form a mixed solution; (2) performing spray drying and combustion on the mixed solution, collecting by high-voltage electrostatic force, pre-reducing and passivating to obtain an activated carrier; and (3) dispersing the activated carrier in a solvent to obtain a dispersion liquid, mixing the dispersion liquid with a noble metal precursor and a competitive adsorbent, performing first drying, calcination and reduction in sequence after evaporative dehydration. The nickel salt, the aluminum salt and the M salt are nitrate salts; M is at least one selected from cerium, zirconium, lanthanum and zinc; in the step (1), the total molar content of metal elements is that the content of nickel is 5-15%, the content of aluminum is 80-90%, and the content of M is 5-10%. The preparation method is simple, and the obtained catalyst has high activity and high stability.

The present application relates to VOCs source treatment technical field, disclose a kind of aromatic hydrocarbon organic liquid volatilization inhibitor and the method for inhibiting aromatic hydrocarbon organic liquid volatilization.The aromatic hydrocarbon organic liquid volatilization inhibitor contains hollow microsphere, surfactant, stabilizer, dispersant, coupling agent and solvent, for inhibiting the volatilization of aromatic hydrocarbon organic liquid;Wherein, the density of the aromatic hydrocarbon organic liquid volatilization inhibitor < the density of the aromatic hydrocarbon organic liquid, and the density of the aromatic hydrocarbon organic liquid volatilization inhibitor is 0.65-0.8g / mL.The density of aromatic hydrocarbon organic liquid volatilization inhibitor provided by the present application is 0.65-0.8g / mL, less than the density of aromatic hydrocarbon organic liquid, the inhibitor has certain flowability and stability, can realize to aromatic hydrocarbon organic liquid surface automatic covering and complete sealing, effectively prevent aromatic hydrocarbon organic liquid volatilization in storage, loading and transportation process.

Systems and processes for producing ammonia products and calcium carbonate products, the latter containing sequestered carbon dioxide, from an effluent derived from one or more organic feedstocks. Solids are removed from an organic feedstock that contains a nitrogen compound to produce an organic liquid effluent that contains ammonium and / or ammonia. Ammonia is stripped and concentrated from the organic liquid effluent to produce a gaseous mixture that contains ammonia and carbon dioxide, and the gaseous mixture is cooled to produce a condensed aqueous ammoniacal nitrogen solution of aqueous ammonia, ammonium bicarbonate, and / or ammonium carbonate. The condensed aqueous ammoniacal nitrogen solution is then contacted with a stabilizing agent to cause a reaction therebetween to produce at least a stabilized ammoniacal nitrogen product and calcium carbonate in which carbon dioxide captured in the ammonium bicarbonate and / or the ammonium carbonate is sequestered.

The invention discloses an organic liquid hydrogen storage molecule design method and device. The method comprises the following steps: acquiring a first data set containing organic liquid molecule physicochemical characteristic information; constructing a splicing code based on a molecular structure in the first data set to obtain a second data set; the splicing code comprises a dehydrogenation molecule structure and a hydrogenation molecule structure; constructing a regression prediction model, and training by using the second data set; constructing a molecular design model, splicing the code input, and generating and screening new hydrogen storage molecules; inputting the new hydrogen storage molecules into the trained regression prediction model, and predicting the addition / dehydrogenation capability of the new hydrogen storage molecules to obtain a prediction result; and screening the molecule with the best hydrogen storage capacity based on the prediction result. By using GNN model regression prediction and VAE model molecular design, a new method is provided for novel organic liquid hydrogen storage molecular design.

The invention provides a regeneration method for repairing a waste lithium iron phosphate positive electrode material based on an oxidation-reduction one-pot method, which comprises the following steps: disassembling a waste lithium iron phosphate battery, calcining a lithium iron phosphate positive electrode plate as a to-be-treated material in an inert gas protection atmosphere, separating lithium iron phosphate powder from the electrode plate in an oscillation mode, and recycling the lithium iron phosphate positive electrode plate. And calcining the black powder in an oxygen atmosphere, carrying out ball milling on the obtained red powder to be treated, an organic liquid medium, phosphate, a lithium compound and an organic reducing agent, uniformly mixing, drying to obtain a mixture to be treated, and carrying out solid-phase reduction calcination in an inert gas protection atmosphere to obtain the lithium ion battery positive electrode material. The regenerated lithium iron phosphate powder material is obtained. According to the invention, energy consumption is reduced, no waste water or waste residue is generated, waste gas emission is reduced, and the method has good significance in environmental protection; the raw materials are simple and easy to obtain, the cost is low, the target of low-valued recovery of the waste lithium iron phosphate material is achieved, and the method has industrial production significance.

The present disclosure relates to methods of forming particles comprising a therapeutic agent, the methods comprising: a) providing a first liquid stream comprising an aqueous feed solution, the feed solution comprising the therapeutic agent; b) providing a second liquid stream comprising an organic liquid; c) dispersing the first liquid stream into the second liquid stream at a junction; d) applying turbulent flow conditions to a fluid channel connected to the junction, the fluid channel containing the first liquid stream and the second liquid stream, to form aqueous droplets comprising the therapeutic agent; e) dehydrating an aqueous fraction of the aqueous droplets, the dehydrating comprising contacting the droplets with a dehydration liquid to form particles comprising the therapeutic agent; and f) collecting the particles aseptically.

The invention belongs to the technical field of organic matter moisture detection, and particularly relates to a method for detecting the content of constant moisture in organic liquid. The density rho is obtained by measuring the density of the organic liquid, and the moisture content of the organic liquid is larger than or equal to 1%; an organic liquid sample with the volume V is sucked through a microsyringe, the volume V is smaller than or equal to 20 microliters, the organic liquid sample with the volume V is injected into a trace moisture meter, the mass of the organic liquid sample is calculated according to the density rho * the volume V, and the mass of the organic liquid sample is input into the trace moisture meter; and outputting a moisture content result of the organic liquid by the trace moisture meter. According to the method, the content of the constant moisture in the organic liquid can be accurately detected, the analysis time can be shortened, the analysis error can be reduced, the reagent dosage and the analysis cost can be reduced, and the defects of long analysis time, large analysis error and high reagent consumption of the existing Karl Fischer volumetric method in the detection of the constant moisture in the organic liquid are effectively overcome.

The application provides a method for preparing an organic film layer on a siloxane surface, and relates to the field of electronic product packaging. The method for preparing an organic film layer on a siloxane surface comprises the following steps: ion source activation is performed on the surface of the siloxane; a substrate wetting agent is mixed into an acrylate solution to obtain a coating material; the coating material is used to grow an acrylate organic film layer on the surface of the siloxane after ion source activation by means of vacuum evaporation; and the organic film layer is subjected to ultraviolet curing. In one aspect, the surface energy of the siloxane surface is improved by ion source activation, and in another aspect, a surface wetting agent is added to the organic liquid, so that the organic liquid can fully infiltrate the surface of the siloxane. The method of vacuum evaporation is used to grow an organic film layer on the surface of the siloxane. The method solves the problem that the low surface energy of the siloxane film surface leads to the inability of the organic matter to form a film layer, realizes continuous winding deposition of the organic film layer in a vacuum environment, and realizes the development of an ultrahigh barrier film product.

This invention discloses an ecological improvement system and method for desertified land and degraded grassland, including a semi-fermented liquid fertilizer fermentation mechanism; an organic liquid fertilizer conveying mechanism connected to the semi-fermented liquid fertilizer fermentation mechanism; and a water and fertilizer infiltration channel, including a main pipeline connected to the organic liquid fertilizer conveying mechanism and a water and fertilizer channel network connected to the main pipeline, the water and fertilizer channel network being buried in the soil of the vegetation root growth layer; the water and fertilizer channel network including conveying branch pipelines connected to the main pipeline and multiple water infiltration units connected to the conveying branch pipelines, the water infiltration units having infiltration gaps to achieve dispersed infiltration. By connecting the semi-fermented liquid fertilizer fermentation mechanism, the conveying mechanism, and the water and fertilizer infiltration channel with infiltration gaps, the entire process from semi-fermented fertilizer preparation to precise field application is realized; through the infiltration gap design, water and fertilizer achieve dispersed and balanced infiltration during infiltration, effectively overcoming the problems of uneven water and fertilizer distribution and low root absorption efficiency caused by traditional drip irrigation point source water discharge.

The application discloses a continuous hydrogen release system, which comprises an organic liquid raw material tank, a column reactor, an oil bath heater and a product tank, the reaction cavity of the column reactor is connected with the liquid inlet and the liquid outlet of the oil bath heater respectively, a plurality of reaction column tubes are arranged in parallel in the reaction cavity, a hydrogen release catalyst is arranged in the reaction column tube, the liquid outlet of the organic liquid raw material tank is connected with the inlet of the reaction column tube, the outlet of the reaction column tube is connected with the feed inlet of the product tank, and the top of the product tank is provided with a hydrogen outlet.

The application discloses a kind of metal hydride-organic liquid composite hydrogen storage materials and preparation method thereof.The method comprises: (1) metal hydride is ball milled with superfine silicon dioxide under the protection of inert atmosphere, and the superfine metal hydride-silicon dioxide mixed particles are obtained;(2) polymethyl acrylate is added to organic solvent A with mixed particles, then organic solvent B is added, after being fully ultrasonic oscillation, organic solvent A is removed by rotary evaporation, and the superfine metal hydride-silicon dioxide@PMA composite particles are obtained;(3) the composite particles obtained in step (2) are added to organic hydrogen storage liquid, hydrogen is introduced and secondary ball milling is carried out, and the metal hydride-organic liquid composite hydrogen storage material doped with polymer is obtained.The application can improve the problem of phase separation of metal hydride and organic hydrogen storage liquid, and improve the stability of composite hydrogen storage material.

The application provides a carbon material carrier-based supported metal type dehydrogenation catalyst, a preparation method and application in catalytic dehydrogenation of organic liquid hydrogen storage materials, and belongs to the technical field of catalysts. The catalyst comprises 88.5-98.5% of a carrier, 0.5-2.5% of noble metal and 1-9% of an additive. The catalyst can be applied to the reaction of organic liquid hydrogen storage materials, has a relatively high reaction rate, has no other by-products, can be used for multiple times, and has good dehydrogenation stability. The application reduces the usage amount of active components of noble metal in the catalyst and reduces the cost of the catalyst. The cold plasma technology is used to effectively anchor a large amount of active components of noble metal at the interface of the additive-carrier, to generate a large amount of micro-positive noble metal particles, and the strong electronic complementarity between the noble metal and the additive forms a special electronic environment, and the density and flowability of the electrons are improved.

Highly dispersed, highly filled, low viscosity liquid compositions and uses thereof. A composition can include a carrier fluid, a plurality of nano- and micro-sized particles, and multiple dispersants. A carrier fluid can comprise nonpolar organic liquids. A plurality of particles can comprise inorganic particles. A portion of dispersants can exhibit different association affinities for nano-versus micro-sized particles. A composition can be free of water, other solvents, or diluents. A composition can comprise 30 weight % or greater of particles. A composition can exhibit a consistent viscosity of about 1000 centipoise or lower at about 25° C. A curable composition can comprise curable carrier fluids, such as, for example, monomers and / or oligomers. A composition can be utilized in chemical processing, microfluidics, colloidal fluids, 3D printing, coatings, and other types of additive manufacturing. An object can be made, for example, by vat polymerization 3D printing of one or more curable composition(s).

The present application relates to volatile gas treatment technical field, disclose a kind of organic liquid volatilization inhibitor and the method for inhibiting organic liquid volatilization.The organic liquid volatilization inhibitor contains hollow microsphere, surfactant, stabilizer, dispersant, coupling agent and solvent, for inhibiting organic liquid volatilization;Wherein, the density of the organic liquid volatilization inhibitor < the density of the organic liquid.The density of the organic liquid volatilization inhibitor provided by the present application is less than volatile liquid, with certain fluidity and stability, can realize the automatic covering and complete sealing to volatile organic liquid surface, effectively prevent organic liquid volatilization during storage, loading and transportation.

The application discloses a green hydrogen preparation storage and lithium battery cooling system and method using a cascade heat pump, and belongs to the technical field of comprehensive energy systems. The lithium battery cabin in the system suppresses the power fluctuation of fluctuating power sources, outputs stable power, and simultaneously drives the cascade heat pump and the electrolytic cell. The cascade heat pump is configured to: absorb lithium battery cabin heat through its low-temperature stage circuit evaporator to cool the battery cabin; release heat to the electrolytic cell through its condensing evaporator to heat and maintain temperature; and release heat to the organic liquid hydrogen storage system through its high-temperature stage circuit condenser to provide a reaction heat source. The electrolytic cell produces hydrogen under stable power and suitable temperature, and the hydrogen is transported to the organic liquid hydrogen storage system for storage or release. The application uses the cascade heat pump as an energy hub, and utilizes the lithium battery waste heat in stages for electrolysis and hydrogen storage processes, realizes efficient collaboration of electricity-heat-hydrogen and energy self-consistency, and improves the energy efficiency, economy and accommodation capacity for fluctuating renewable energy of the system.

An organic liquid sensor configured to output a signal corresponding to the presence of one or more organic liquids is provided. The sensor includes a circuit board, a sensor film deposited on the circuit board, the sensor film including a first length, a second length, and a bridge portion, the first length and the second length being electrically separated by a gap and the bridge portion being electrically coupled to the first length and the second length. The circuit board is configured to detect a resistance of the sensor film.