81results about How to "Solve emulsification problems" patented technology

The invention relates to a separation method of zirconium and hafnium by adopting extraction chromatography, in particular to extraction chromatography of zirconium and hafnium by employing tributylphosphate. The method comprises the following steps that: extractant-containing resin TBP is adopted to load the extraction chromatographic column; mixed solution of chlorhydric acid and nitric acid with total free acid acidity being 3.5-7.5 mol/l is adopted for eluting the extraction chromatographic column; then the obtained material is added with material liquid which is the mixed solution of chlorhydric acid and nitric acid with total free acid acidity being 3.5-7.5 mol/l; the total concentration of zirconium and hafnium is 0.05-1.5 mol/l; next, the mixed solution of chlorhydric acid and nitric acid with total free acid acidity being 4-8 mol/l is used for eluting the obtained material, until the concentration of overflowed hafnium solution is less than 0.01 g/l; then the mixed solution containing 0-1.5mol/l chlorhydric acid and nitric acid or 0-1.5mol/l chlorhydric acid solution is used for eluting, so as to get the zirconium solution containing no hafnium.

The invention discloses an alcohol-based fuel combustion improver and an alcohol-based fuel. The alcohol-based fuel combustion improver consists of 4.9-93 parts by weight of co-solvent, 4.9-93 parts by weight of bio-oil, 0.1-0.3 part by weight of smoke suppression combustion improver and 1.0-3.0 parts by weight of combustion improver; and the alcohol-based fuel is formed by mixing and stirring 80-99 parts by weight of methanol and 1-20 parts by weight of alcohol-based fuel combustion improver. By adopting the combustion improver disclosed by the invention, the prepared alcohol-based fuel is a novel biological environment-friendly alcohol-based fuel, the calorific value is as high as 6,000-10,000 calories/g, and the combustion performance is good; and moreover, the alcohol-based fuel has high flash point and low volatility, and potential safety hazards in the prior art are eliminated. The alcohol-based fuel disclosed by the invention also has the characteristics of being safe and environment-friendly, reproducible, clean and sanitary, convenient to use, cheap and the like.

The invention relates to a method for preparing danshensu which comprises: getting extract liquid from the water or alcohol with danshensu and danshensu precursors using danshen as the materials, inverting the danshensu precursors of the said extract liquid into danshensu using diluted alkali, super filtering the macromolecular substance of the said extract liquid after conversion using a hyperfiltration membrane, extracting the danshensu from the said extract liquid after hyperfiltration, and separating the said extraction using the normal phase chromatography to get the danshensu.

The invention relates to cutting part (or as incision part) cutting head of water seal external development machine, for specific the inner spray waterhead of the cutting head from the center cutting head axis diverts directly input the external cutting head, and no longer by cutting head axis, so as to avoid water leakage oil cavity defects solving the problem of the oil (water) emulsion in the development machine flexing part. The invention reasonable structure, constitution simple, changed the cutting head spray water supply lines, significantly extended examine cycle and use life of the development machine.

The invention relates to a method using tributyl phosphate resin for fractional extraction to separate zirconium and hafnium; the tributyl phosphate resin is used as an extraction agent, and the zirconium and hafnium are extracted and separated by use of a box-countercurrent mode; the method comprises the following sections: 1), acidification section, to be more specific, using the tributyl phosphate resin as the extraction agent, putting an extraction phase and a mixed acid solution into a box-type extraction tank for countercurrent acidification; (2) extraction section, to be more specific, putting the acidified extraction phase and a material liquid containing the zirconium and hafnium into the box-type extraction tank for countercurrent acidification; (3) washing section, to be more specific, performing reverse-phase washing on the extraction phase with the zirconium being extracted; (4) back extraction section, to be more specific, performing reverse-phase back extraction on the washed extraction phase; and (5) impurity removal section, to be more specific, performing reverse-phase impurity removal on the back extracted extraction phase, using an impurity removal liquid for washing, wherein effluent is used as waste for emissions, and an outflow extraction phase is recycled. The method has the advantages of large extraction phase capacity, high production capacity, no emulsification, low product cost, stable operation, and high product quality.

The invention discloses a method for separating and purifying L-tryptophane from fermentation liquor. Through microfiltration, ultrafiltration and adjustment to pH values and ionic strength, three-stage counter-current extraction and three-stage counter-current back extraction are performed on dilute L tryptophane fermentation liquor by adopting reverse micelle extraction technology, and L-tryptophane with the content higher than 98.0 percent is obtained from aqueous phase enriched with L-tryptophane through secondary nanofiltration, crystallization and centrifugal drying. The method disclosed by the invention adopts the membrane separation technology, the reverse micelle extraction technology and the like, has the characteristics of high extraction yield, simple extraction process, speediness, effectiveness, recyclability in using extracting agent and the like, can save operating cost, and is convenient for industrial magnification and continuous operation.

The invention relates to a yulan magnolia total lactone extract, the preparation method and application thereof. Yulan magnolia leaves and/or flower is extracted with ethonal after being soaked in water; crude lactone can be obtained by low polarity organic solvent extract; the crude lactone is treated with the silica-gel column chromatography to obtain the extract of the invention. The invention has simple and feasible technique, definite components of the extract, and is suitable for industrialized production. The yulan magnolia total lactone in the invention has anti-tumor function, and can be used for preparing drugs with anti-tumor effects.

The invention discloses an emulsified coal tar pitch which is prepared from the following raw materials: 500 g of coal tar pitch, 500 g of water, 3 g of an asphalt emulsifier and 1 g of bentonite. A preparation method of the emulsified coal tar pitch comprises the following steps: adding bentonite into the asphalt emulsifier; mixing the mixture of bentonite and the asphalt emulsifier with water to obtain an emulsion; and using coal tar pitch and the emulsion to prepare the emulsified coal tar pitch. According to the preparation method of the emulsified coal tar pitch, coal tar pitch is emulsified by adding bentonite into the asphalt emulsifier. Thus, problems of coal tar pitch emulsification and stabilization after emulsification are solved.

The invention discloses a preparation method of sulfur bridge-containing reverse ester thiol methyltin. The method comprises two stages: in a first stage, preparing mercaptoethanol oleate, and controlling the vacuum degree in a first reaction container to descend stepwise in a reacting process; and in a second stage, preparing sulfur bridge-containing reverse ester thiol methyltin by taking mercaptoethanol oleate obtained at the first stage as a raw material, dropwise adding a methyl tin chloride aqueous solution and a sodium sulfide aqueous solution into the mercaptoethanol oleate simultaneously, and undergoing a condensation reaction and a bridging reaction simultaneously to control sulfur atoms in sodium sulfide and tin atoms in methyl tin chloride to be connected in a sulfur bridge form. The preparation method is easy to implement, the problems of emulsification, saponification and the like in a production process can be solved effectively, and the productivity and production efficiency are increased; and meanwhile, the ratio of a sulfur bridge is controlled, so that the thermal stability of a product is in an optimal state.

The invention provides a process for preparing Fanlixin, an active antineoplastic ingredient in custard apple from custard apple seeds as raw material through organic solvent extraction, abstraction, preparing custard apple total lactone, refined isolation through column chromatography and/or reversed phase C18filling column. The Fanlixin content amounts to above 90.0%.

The invention discloses a purifying method of pulp electrolyte containing antimony concentrates. The purifying method comprises the following steps: (A) oxidation: part of divalent iron ions are oxidized as trivalent iron ions; (B) extraction: oxide liquid and an organic phase are mixed in a mixing tank for extraction; (C) washing: less antimony in the organic phase is transferred into washing liquid; (D) blank: a washing organic phase flows to clarifying tank component phases on a blank stage by the mixing tank; (E) reverse extraction: such substances as iron, copper and silicon dioxide in the organic phase are transferred into sodium carbonate solution to generate precipitations; and (F) regeneration: the reversely extracted organic phase is mixed with a prepared regeneration agent in the mixing tank for regeneration. The purifying method solves the problem the entrainment problem of antimony in the organic phase, and realizes recycling of the organic phase.

The invention provides a dual-fuel supply device used for a vehicle, an engine system and the vehicle. An engine of the vehicle can work under a work mode of any one fuel of dual fuels. The dual-fuelsupply device comprises a shell, two oil supply structures and a piston structure, wherein the shell is provided with two oil inlet ports and one oil outlet port; the two oil inlet ports are located in the side walls close to the two ends of the shell; the two oil supply structures are located inside a cavity of the shell and extend out of the two ends of the shell, so that the fuel entering any one oil supply structure through the corresponding oil inlet port is supplied to a cylinder of the engine through the oil outlet port, and is combusted to generate power; and the piston structure is located inside the cavity of the shell and located between the two oil supply structures, so that the dual fuels are prevented from being mixed in the cavity of the shell or one fuel is prevented from entering the oil outlet port operating under a work mode of the other fuel. The problems that a dual-fuel supply spraying rail structure is complex, compactness is low, and consequently arrangement isdifficult in the prior art are solved.

The invention relates to an extraction device in magnetic mixing dispersion system adopting acidity hydrophobic ionic liquid with magnetic function as extractant. There is a reaction tank, of which the bottom middle part is concave. In the concave groove there is a vertical round Nd-Fe-B permanent magnet connected with the shaft of rotary motor. The outlet port for magnetic ionic liquid is set on the wall at one side of lower part of reaction tank. The inlet port for magnetic ionic liquid and inlet port for substance liquid are set on the wall at the other side. Magnetically stabilized bed coil is set on the outer side wall of upper part of reaction tank. Liquid inlet port of a ring dispersion device is docked with the port for substance liquid in the reaction tank. The magnetically stabilized bed coil controls mutual impact and condensation of magnetic ionic liquid pearls with dispersion phase. The extraction device realizes two operation states of one tower. Water solution in magnetic ionic liquid phase is in dispersion phase and ionic liquid in water solution phase is in dispersion phase. So entrainment phenomena are decreased. The device power is far lower than normal mixing device and energy consumption in extraction process is decreased.

The invention discloses a delayed-coking exhaust gas treatment method. According to the method, sulfur-bearing sewage enters a steaming-out vent tower for cooling and oil-water separation, part of heavy sump oil of a tower bottom of the steaming-out vent tower flows back to the bottom of steaming-out vent tower, the other part of the heavy sump oil enters the middle part of the steaming-out vent tower, light sump oil and sewage of a tower top of the steaming-out vent tower enter an oil-water separating tank for oil-water separation at the temperature of 30 DEG C to 60 DEG C, the light sump oil is discharged from the top of the oil-water separating tank, the sewage enters a sewage tank for treatment, by the treatment of the sewage tank, coke powder is discharged from the bottom of the sewage tank, the light sump oil is discharged from the upper part of the sewage tank, and purified sewage is discharged from the lower part of the sewage tank. According to the method, the problem that sulfur-bearing sewage of the top of the vent tower is emulsified and is high in oil and coke powder content is solved.

The invention provides a train wind source system and lubricating oil emulsification prevention method. A first valve and a second valve are adopted for switching backflow branches with different displacements to carry out grading adjustment on flow of compressed air flowing through a drying tower, thus the final displacement of a wind source system is adjusted, and at the premise of meeting the requirement for normal wind use of a train, the wind source system has a large displacement during the passenger peak season and the vehicle starting initial wind supplementing stage, and has a relatively small displacement during the normal operation period or other working conditions with few passengers. The system and the method have the final effect that the wind source system always maintainsa high operation rate during the train operation period, and therefore the problem of emulsification of lubricating oil of the system is solved.

The invention relates to a method for recycling aniline in a preparation process of diphenylmethane series diamine and polyamine. The method is used for recycling aniline from an aniline-water mixed solution generated in a DAM refining process through liquid-liquid two-phase standing layering, wherein particularly the aniline content of 53 wt% in the aniline-water mixed solution is taken as a boundary value, when the aniline content is less than 53 wt%, the aniline-water mixed solution is directly layered, and when the aniline content is more than or equal to 53 wt%, the aniline content in theaniline-water mixed solution is adjusted to be less than 53 wt% and then layering is performed, or an auxiliary aid is added into the aniline-water mixed solution and then layering is performed, wherein the auxiliary aid is one or more of water-insoluble micromolecular aromatic hydrocarbon or chlorinated aromatic hydrocarbon and hydrochloride or sulfate of alkali metal. The method has the advantages of being simple, high in separation efficiency, high in recovery rate, high in recovered aniline concentration and the like, stable phase splitting of aniline water generated by the DAM refining unit can be achieved, and recovered aniline can be directly used as a raw material for producing DAM.

The invention relates to a continuous post-treatment technique of ethylhexyl nitrate and a continuous post-treatment device of ethylhexyl nitrate. The technique includes alkali washing, water washing,and separated dehydration technique of a crude product; alkali washing and water washing devices connected in order are applied to continuously treat ethylhexyl nitrate; the back end of the water washing device is provided with a dehydration device to refine the ethylhexyl nitrate and obtain a final product. By adopting the technique and the device, the continuous separating and purifying processes of the ethylhexyl nitrate are successfully realized, the separated settling time is reduced, and the production efficiency is improved; the consumption of alkali fluid and washing water is reduced,the waste liquid is greatly reduced; quality of the product for purifying is much better than the industrial standard requirement, thus the oil water emulsion in the water washing process is solved,the mass transfer area is enlarged, and the mass transfer rate is improved; the mass transfer between different object phases is realized, the mass transfer function is enhanced, and the energy consumption in the mass transfer process is effectively reduced; the continuous post-treatment technique has the advantages of saving investment, reducing floor area, saving operation cost, and effectivelyreducing waste liquid.

The invention discloses a method and device capable of preventing engine oil emulsification of a gas engine, and the device capable of preventing engine oil emulsification comprises an electric control oil-gas separation device, a connecting plate, a high-temperature protection and power-off prevention device, an engine body, an oil return pipe, a power supply and energy storage device, a pressuresensor, a heating device, a temperature sensor and an oil pan. The electric control oil-gas separation device and the high-temperature protection and power-off prevention device are both installed onthe connecting plate, and the connecting plate and the pressure sensor are both installed on the machine body. The oil return pipe and the electric control oil-gas separation device are both connected with the machine body. The high-temperature protection and power-off prevention device is connected with the heating device through a wire. The method and device capable of preventing engine oil emulsification are suitable for the gas engine, intelligent control is achieved, the negative effect of engine oil emulsification caused by liquid water formed by condensation of combustion product watervapor of the gas engine can be quickly eliminated, the normal operation of the engine is ensured, and the engine oil replacement time of the engine is prolonged. Engine oil cost is reduced for a user, value is created for the user, and the problem of engine oil emulsification of an existing gas engine can be solved.

The invention relates to a method for analyzing essence and spice, in particular to a preprocessing method for GC-MS (Gas Chromatography-Mass Spectromete) analysis of essence and spice. The method comprises the following steps of: (1) dissolving the weighted internal standard substance in dichloromethane to prepare 100ppm of internal standard solution; (2) adding purified water into the essence and spice to be detected, oscillating and uniformly shaking to obtain the essence and spice solution; (3) adding the internal standard solution into the essence and spice solution and oscillating for 30min under the condition of 150Hz for fully contacting and extracting; and (4) centrifugally separating for 5min under the condition of 3,000rpm after the oscillating is finished, microware digesting the obtained centrifugally separating solution and taking the lower-layer supernate for GC-MS analysis after microware digestion.