78results about How to "Easy to separate" patented technology

To provide a method for manufacturing a semiconductor device including a transfer step that is capable of controlling the adhesiveness of a substrate and an element-formed layer in the case of separating the element-formed layer including a semiconductor element or an integrated circuit formed over the substrate from the substrate and bonding it to another substrate. An adhesive agent made of a good adhesiveness material is formed between the semiconductor element or the integrated circuit comprising plural semiconductor elements formed over the substrate (a first substrate) and the substrate, and thus it is possible to prevent a semiconductor element from peeling off a substrate in manufacturing the semiconductor element, and further, to make it easier to separate the semiconductor element from the substrate by removing the adhesive agent after forming the semiconductor element.

The invention provides a method which uses palm oil to prepare biologic diesel oil and can lower the high acid value. The method uses solid super acids of SO>4<2- > / ZrO2, SO4< 2- > / TiO2, and SO4< 2- > / xZrO<2- yTiO2 as catalyst, and uses low-carbon alcohol as esterifying agent to pre-treat the high acid value palm oil, can effectively lower the acid value of the oil, and can ensure the acid vale of the obtained biologic diesel oil to easily meet the standard (less than 0.8mgKOH / g, ASTM). The catalyst used by the invention has high catalytic activity, and is reusable. The process flow is simple, the production cost is decreased, and the environmental pollution is reduced greatly.

The invention provides a method for preparing chabazite and a chabazite film in the absence of a template agent. Pure chabazite is formed through induction of out-of-phase crystal nucleus T-shaped zeolite under the condition of not adding an organic template agent. The chabazite molecular sieve film is formed through induction by loading formed chabazite on the outer surface of a porous support as a crystal seed. The method is characterized in that: silicon powder and sodium metaaluminate are used as a silicon source and an aluminum source; based on the molar ratio of oxides, the ratios of components which are prepared into sol are that: the molar ratio of SiO2 to Al2O3 is equal to 15-30, the molar ratio of OH<-> to SiO2 is equal to 0.9-1.5, the molar ratio of Na<+> to K<+> is equal to 0.1-1, and the molar ratio of H2O to SiO2 is equal to 18-40; the sol for coating the crystal seed is subjected to hydrothermal synthesis at the temperature of 100-160 DEG C for 16-72 hours; and a compact chabazite film is synthesized on a porous carrier. Through the method for preparing the chabazite and the chabazite film, the expensive organic template agent is prevented from being added, the synthesis process is simple, and the repeatability is high. The synthesized film shows better stability in an inspection acid medium and can be widely applied to a pervaporation separation process and a pervaporation film reactor of an acidic system.

The invention provides a process for producing ethanol with raw materials of straws. The process comprises preliminary treatment to crops straws, solid-liquid separation, hydrolyzed solid components and fermentation with yeasts after hyperfiltration and filtration enrichment by RO combination. The invention can simultaneously conduct evaporating concentration to liquid components, and produce corresponding by-product of lignosulfonate by adding sulfonating agent. The ethanol producing process of the invention greatly decreases the cost of industrial production which ferments straws to produce ethanol, and efficiently utilizes all the ingredients of crops straws.

The invention discloses a method for synthesizing a citric acid ester type compound, which belongs to the technical field of chemical synthesis. The method comprises the following steps of: using citric acid and fatty alcohol as main raw materials, and using benzene sulfonic acid or amino benzene sulfonic acid as a catalyst; and performing esterification and the purification processes of acetylation, neutralization, washing, drying, distillation and the like. The catalyst has rich sources, a low cost and high activity, can be separated from an esterification liquid easily after the neutralization, is coke-free during the distillation, has less corrosion to equipment, and is safe and environment-friendly; the water generated by the esterification is separated out by adopting a binary heterogeneous separation technique, and no water separating agent is additionally added; and acetyl citric acid ester is produced by adopting an esterification-acetylation continuous synthesis method, the flow is greatly simplified, and a synthesis process is shortened. The citric acid ester prepared by the method has the advantages of high quality, high purity, low degree of color and wide applicationrange.

A pallet includes a cargo layer and a base layer. The base layer includes a pair of spaced apart end deck boards, and a pair of spaced apart connector boards orthogonal to the pair of spaced apart end deck boards, with each connector board and each end deck board having respective ends. A strength plate is coupled to each respective end of the connector boards in the base layer. Spaced apart support blocks are between the base and cargo layers, and form a gap therebetween for receiving a lifting member. First fasteners couple the cargo layer to an upper surface of the support blocks. Second fasteners couple the base layer to a lower surface of the support blocks so that the ends of the connector boards and the corresponding strength plates are coupled to a first area of the lower surface of the support blocks, and so that the ends of the end deck boards are coupled to a second area of the lower surface of the support blocks.

The invention relates to a catalyst which uses alcohol and water as a solvent and contains water soluble phosphine ligands and rhodium compounds and a method for preparing high-carbon aldehyde by a two-phase catalytic hydrogen formylation reaction by using alpha-olefin above C5 as a raw material. The invention overcomes the defects that the reaction rate of a hydrogen formylation reaction of high-carbon alpha-olefin above C5 is low, and the addition of a surface active agent for improving the reaction rate can generate two-phase emulsification and dissolution and cause phase separation difficulty and the increase of rhodium catalyst loss in a traditional two-phase water soluble rhodium-phosphine catalytic process. The invention can improve the reaction rate or avoid the emulsification, thereby reducing the rhodium catalyst loss. The innocuous and environment-friendly mixed solvent of the alcohol and the water is adopted and can be recycled, and the production cost is greatly reduced.

The invention discloses a propping agent for a resin coating film and a preparation method thereof. The propping agent comprises an aggregate, a resin, a curing agent and a dispersing agent, wherein the dosage of the resin is 1%-10% of the weight of the aggregate; the dosage of the curing agent is 0.5%-5% of the weight of the aggregate; and the dosage of the dispersing agent is 0.2%-2% of the weight of the aggregate. The propping agent for the resin coating film provided by the invention has the functions of allowing oil gas to smoothly penetrate and preventing water from penetrating through the propping agent, so that the separating effect of oil gas and water is enhanced by the functions and the oil extraction cost is lowered; due to the excellent hydrophobic property of the resin film, the propping agent has excellent water resistance, the anti-breaking capability of the propping agent is increased and the long-term flow-guiding effect is good; a triple film coating technology is adopted by the invention and the calcium stearate is taken as a dispersing agent, so that the quality is greatly increased, the yield is increased to above 80%, the cost is greatly lowered and the production efficiency is increased; and the preparation method provided by the invention is simple, the product yield is high and the breakage rate of the product is obviously reduced.

The invention discloses a preparation method of a titanium dioxide photocatalytic adsorbing material. The titanium dioxide photocatalytic adsorbing material obtained by the preparation method can be used for not only effectively improving the photocatalytic performance of TiO2 and simultaneously solving the problem that the photocatalytic material is difficultly separated and recovered. According to the preparation method disclosed by the invention, a photo-reduction method is firstly adopted for preparing an Ag elementary substance, the Ag elementary substance is loaded on the surface of TiO2 to form an Ag-loaded TiO2 photocatalyst, and then the purpose of inhibiting electron and hole recombination is achieved, so that the photocatalytic efficiency of the catalyst is improved; then the chitosan made of high-molecular materials is adopted as an immobilized base material to immobilize Ag-loaded TiO2; the obtained novel titanium dioxide photocatalytic adsorbing material not only has a good adsorbing effect, but also is easily recovered and separated, can be applied to treatment of emerging pollutants PPCPs; and known from an experimental result, the effect of removing carbamazepine and ibuprofen in PPCPs is good.

The detection device is composed of the immune reaction tank and the magnetic pole. The magnetic particles of coating antibody are used as the reaction substrate. Specificity fluorescein-labelled antibody is utilized to display antigen to form antibodies-antigens-fluorescein-labelled antibody resultant of reaction. Since the action of the magnetic pole, the immune reaction resultant in combination with magnetic particles is adsorbed at the bottom of the immune reaction pond. The limited solution makes the antigen tested distribute on the bottom of the reaction tank. The fluorescence image of the reaction resultant is obtained by using laser source to irradiate the reaction tank. The invention raises the detection sensitivity, realizes real time, sensitive, accurate and multiform immune reaction detection.

The invention discloses ferroferric oxide magnetic nanometer particles decorated with tetraazacalix [2] arene [2] triazine. A preparation method of the ferroferric oxide magnetic nanometer particles comprises the following steps of: firstly, covering a silicon shell by using the ferroferric oxide magnetic nanometer particles; decorating with amino to obtain amino-modified ferroferric oxide magnetic nanometer particles; and reacting the ferroferric oxide magnetic nanometer particles with the tetraazacalix [2] arene [2] triazine at 110 DEG C under a nitrogen condition to prepare the ferroferric oxide magnetic nanometer particles decorated with tetraazacalix [2] arene [2] triazine. The ferroferric oxide magnetic nanometer particles integrate the advantages of large superficial area of the original and easiness of separation of the original ferroferric oxide magnetic nanometer particles, and also have a new function characteristic, so that the extraction selectivity of a characteristic target is enhanced; and the ferroferric oxide magnetic nanometer particles are used for extracting and separating, and have the advantages of easiness and convenience in operation, and capability of extracting, enriching and separating organic matters and inorganic cations. And moreover, the ferroferric oxide magnetic nanometer particles can be totally separated from a base solution under an external magnetic field function, so that the ferroferric oxide magnetic nanometer particles are economic, environment-friendly and high in recovery rate and have a good popularization and application prospect.

The invention relates to a method for composite phosphotungstate catalyzed synthesis of citrate ester. The citrate ester is synthesized through an esterification reaction of citric acid and fatty alcohol with composite phosphotungstate as a catalyst. The structure formula of the composite phosphotungstate adopted in the invention is (NH4)xM(3-x-y) / 4HyPW12O40, wherein M is Ti or Zr, x is 0.4-1, and y is 0.4-1. The method has the following advantages: the catalyst has low cost, is easy to prepare, has a high catalysis efficiency, can be simply separated from the above product, and has excellent performances when being reused.

The invention relates to a method for separating and recovering phosphoric acid from acetic acid-nitric acid-phosphoric acid series mixed acid waste liquor. The method disclosed by the invention is characterized by comprising the following steps of: an acetic acid-nitric acid extracting step: mixing waste liquor containing acetic acid, nitric acid and phosphoric acid with an extracting agent solution of aliphatic series straight-chain saturated hydrocarbon which contains phosphoric trialkyl ester and 6-13 carbon atoms and selectively dissolving and extracting acetic acid and nitric acid from the extracting agent solution; a phosphoric acid recovering step: recovering the phosphoric acid from extracting waste liquor obtained in the extraction step; and an acetic acid-nitric acid stripping step: enabling the extracting agent solution containing the acetic acid and the nitric acid, obtained in the acetic acid-nitric acid extracting step, to be in contact with stripping water so that the acetic acid and the nitric acid are dissolved and transferred to the stripping water. The extracting agent solution is recycled by feeding the oil-phase extracting agent solution obtained in the acetic acid-nitric acid stripping step to the acetic acid-nitric acid extracting step. By means of the invention, the favorable separability of oil phase and aqueous phase in the stripping step can be maintained for a long time, and the phosphoric acid can be selectively and favorably separated and recovered from the acetic acid-nitric acid-phosphoric acid series mixed acid waste liquor for a long time with high efficiency.

The invention specifically relates to a fused aza-heterocyclic aromatic hydrocarbon porous framework of a two-dimensional lamellar structure, and a preparation method and application thereof, belonging to the technical field of functional materials. According to the invention, aza-heteropolycyclic aromatic hydrocarbon is synthesized on the basiss of cyclization of a diamino group and a diketo group for formation of phenazine and is used as a monomer; and then aza-heteropolycyclic aromatic hydrocarbon is subjected to the Scholl reaction under the catalysis of a Lewis acid salt so as to allow aza-heteropolycyclic aromatic hydrocarbon to undergo homopolymerization at high temperature and low pressure, so a conjugated polymer material of a microporous structure and with two-dimensional lamellar layers for complex catalysis of metal is produced. The two-dimensional material has the characteristics of a high specific surface area, a full conjugate plane structure, heat stability, resistance to acid and alkali, excellent catalytic activity, high recovery rate, etc. The method provided by the invention is simple to operate and controllable in process; and the prepared material can be used for catalyzing a cycloaddition reaction of CO2 with epoxypropane compounds so as to immobilize CO2 and has good application prospects.

The invention provides a method for extracting valuable metal elements from coal gangue. The method comprises the following steps of: crushing and grinding coal gangue ore, performing supercritical / subcritical water activation, classifying the coal gangue ore into an organic liquid phase and a slag phase by a hydrocyclone, and synthesizing carbon dioxide and water from the organic liquid phase through a supercritical reaction, wherein the carbon dioxide is used for a subsequent sodium aluminate reaction to obtain aluminum hydroxide, the water is used for supplementing water to a shaking table, and the slag phase passes through the shaking table to obtain enriched ore of carbon and silicon dioxide, aluminum oxide, silicate and ore containing a small amount of titanium and iron elements. Carbon and silicon dioxide are separated and collected through electric separation, aluminum oxide, silicate and ore containing a small amount of titanium and iron elements are added into sodium carbonate and calcium carbonate to be roasted and dissolved after roasting, slag of calcium silicate and calcium titanate is obtained and can be used as a coating, a dissolving solution contains sodium aluminate, sodium ferrite and other substances, sodium hydroxide is added into the dissolving solution to generate ferric hydroxide and sodium aluminate, the ferric hydroxide can be used as a coating, and carbon dioxide is introduced into the sodium aluminate to generate aluminum hydroxide which is used as an inorganic flame-retardant additive.

The invention disclose a TDA dehydrating tower, which comprises a tower body, a circumfluence supply pipe, a recycle gas phase inlet and a TDA feeding hole. An upper distributing groove communicated with the circumfluence supply pipe is formed at the top in the tower body, an upper packing layer is arranged below the upper distributing groove, a liquid catch plate is arranged at the lower part of the upper packing layer, a liquid receiving tank is fixed at the lower part of the liquid catch plate, a liquid downtake communicated thereof is arranged at the bottom of the liquid receiving tank, the liquid downtake is communicated with a lower distributing groove formed at the lower part of the liquid downtake, and a lower packing layer is arranged at the lower part of the lower distributing groove. The TDA dehydrating tower has the advantages of simple structure, easy disassembly and assembly, low cost, high degree of the heat change and quality change of two phases of gas and liquid, good separating effect and high efficiency.

The invention discloses a method for district cooling of internal cooling and external cooling of a rotor magnetic pole. A cooling gas flows into a channel between two magnetic pole coils through a ventilating partitioning device on air inlet ends of the two magnetic pole coils to form an external cooling ventilating air path for cooling the external part of the magnetic pole coils, flows into the interiors of the magnetic pole coils through a gap between magnetic pole iron cores and magnetic pole coils to form an internal cooling ventilating air path for cooling the interiors of the magnetic pole coils, and finally flows into the channels between the two magnetic pole coils from the interiors of the magnetic pole coils, so that the ventilating partitioning device is used for mutually separating the external cooling ventilating path from the internal cooling ventilating path which flow in the channel. According to the method, through simultaneously performing internal cooling and external cooling on the magnetic pole coils, and separating the internal cooling ventilating air path and the external cooling ventilating air path in the channel between the two magnetic pole coils, the internal cooling ventilating air path and the external cooling ventilating air path are in mutual noninterference, the cooling gas ventilating inside smoothly flows in the channel between the two magnetic pole coils, and thus the cooling effect of the whole magnetic pole is improved.

The invention discloses an application of a hydrophilic Ge-ZSM-5 molecular sieve membrane to separation of an organics / water system. The alpha-Al2O3 is taken as a carrier, the hydrophilic Ge-ZSM-5 molecular sieve membrane prepared by an in-situ hydrothermal crystallization method is adopted as a separation material, and water in the organics / water system is separated through the pervaporation effect so as to obtain the organics. When the molecular sieve membrane is applied to an ethanol-water system of 343 K, 10 to 98 wt% and an acetic acid-water system of 353 K, 30 to 98 wt%, the separating factor reaches infinity, the permeation flux reaches 2.4 kg / m2.h and 0.57 kg / m2.h, both the permeation flux and the separating factor of the membrane are kept constant in the pervaporation process of 25 h, and the membrane shows excellent stability. The application is simple and easy to operate, and the hydrophilic Ge-ZSM-5 molecular sieve membrane is suitable for industrial production.

The invention provides a safe forcible entry and recovery method and system for a lead-acid storage battery, and an automatic operation method, and relates to the technical field of the recovery processing of the lead-acid storage battery. The safe forcible entry and recovery method provided by the invention comprises the following steps that: punching: independently punching the upper cover and the shell bottom of a battery; discharging acid liquor: discharging the acid liquor in the battery from the holes; carrying out forcible entry on the upper cover and the shell bottom: independently cutting and removing the upper cover and the shell bottom; carrying out forcible entry on inter-trough polar plate connection: punching the junction of an inter-trough polar plate; and taking the polar plate and lead plaster: pushing the polar plate from the shell to be separated. Through the safe forcible entry and recovery method provided by the invention, the technical problems of lead-acid storage battery recovery in the prior art that materials are difficult in separation and recovery difficulty is big can be solved.

The invention discloses a gelatin composite adsorbent based technology for high efficiently removing heavy metals in water. A gelatin composite is taken as the adsorbent. The desulfurization wastewater in multiple power plants can be processed efficiently without adding separation equipment. The heavy metal ions in desulfurization wastewater can be removed high efficiently. The adsorbent is simple to prepare, the raw materials are cheap and easily available, at the same time, the separation is simple, and heavy metals in wastewater can be easily separated. The technology has the advantages that various heavy metals can be fully separated, at the same time, the separation process becomes easy, and the heavy metal separation efficiency is improved.

A method of inducing hemostasis in a wound. A hemostatic product is applied to a wound. The hemostatic product includes at least one hemostasis component. The hemostatic product is retained with respect to the wound by positioning a hydrogel material at least partially over the hemostatic product. At least a portion of the hemostatic product is dissolved. Hemostasis is induced in the wound with the at least one hemostasis component. The hydrogel material is separated from the wound. Substantially all of the hemostatic product remains on the wound.

The invention discloses a beanpod shelling device, and belongs to the field of agricultural processing mechanical equipment. The beanpod shelling device comprises a translation bearer, a blanking hopper, a rotating motor, a beanpod pressing roll, a beanpod pressing belt, a brush roll mechanism, a tensioning mechanism and a discharging mechanism; the blanking hopper is vertically and downwardly disposed at an upper side of the translation bearer; the beanpod pressing belt is successively wound and connected to a first driving roll, a second driving roll and a third driving roll; the brush roll mechanism is horizontally disposed on the translation bearer at the beanpod pressing roll side; the tensioning mechanism is vertically and upwardly disposed on the translation bearer disposed between the first driving roll and the second driving roll; the discharging mechanism comprises a blanking guide plate, a discharging baffle plate, a discharging hopper and a discharging separating screen mesh; and the middle of a lower side of the discharging separating screen mesh is provided with a discharging vibrator. The beanpod shelling device is reasonable in structure design, beanpods can be shelled continuously, rapidly and efficiently, beanpod shelling efficiency and quality are improved, and processing and using requirements are satisfied.

The invention discloses a method for separating and purifying a crude lanosterol product in the technical field of the purification of organic substances, which comprises the steps of: dissolving the crude lanosterol product into an organic solvent at a temperature of between 25 and 40 DEG C through ultrasonic treatment to obtain a lanosterol solution; and filtering the lanosterol solution by a filter membrane, then using preparative high performance liquid chromatography to adopt overlapping injection for separation and purification treatment to obtain purified lanosterol. The method adopts reversed-phase high performance liquid chromatography, can ensure the characteristics of good resolution, high yield, high recovery rate, good purity and the like, can directly separate to obtain the lanosterol with the purity over 97 percent, and can be used for various sterol-related diseases and the research and development of biosynthetic pathways of various natural products. The method applies technology such as overlapping injection and linear amplification to overcome the disadvantage of low solubility caused by using reversed-phase chromatography to separate the lanosterol, uses a preparation column with the inner diameter of 20mm and the column length of 250mm, ensures that the daily preparation amount can reach near 250mg, and can meet various scientific and research requirements.