63results about How to "Facilitate efficient separation" patented technology

The invention discloses a system and a method for energy conservation and discharge reduction in a synthesis gas produced in a fixed bed and gas making heater, which solves the problem of a large production of byproduct steam and waste gas from raw material. The system for energy conservation and discharge reduction in a synthesis gas produced in a fixed bed and gas making heater of the invention includes a fixed bed and gas making heater provided with a jacket, wherein insulating refractory material is bushed at an annular area of an inner wall of the gas making heater jacket; material which is resistant to high temperature, wear, thermal shock, slagging and flame is masonried or injected in the annular area of the inner wall of the insulating refractory material and is closed to a hearth; the method of the invention is: 1) raising the wall temperature around a gasification area of the hearth of the gas making heater to over 1000 DEG C; 2) reducing the mixing space of blowy wind and water gas in the gas making heater outside of the heater. The invention has the advantages that by adopting the composite heat insulation and slagging resistant material to be masonried around the gasification area of the hearth of the gas making heater, the surrounding wall temperature reaches over 1000 DEG C, thus reducing the amount of the byproduct steam of the water jacket, lowering slag and carbon residue from the gas making heater, and improving steam resolution ratio of the gasification.

The present invention provides for the convenient preparation, purification, use and re-use of capillary electrochromatography columns that employ polymer gel materials as the separation media. The problems associated with employing crosslinked polymer gels is overcome through the use of physically entangled polymer gels, which comprise, as polymerized units: 1) 5% to 80% by weight of an ionizable monomer; 2) 0.1% to 50% by weight of a monomer containing a retentive ligand; and 3) 10% to 80% by weight of a nonionic monomer.

The invention provides a method for treating high-concentration wastewater of glutamic acid, in particular a method for fermenting discarded thalli by utilizing the enzymolysis of a compound enzyme and treating other waste liquid by utilizing the electroosmosis of a bipolar membrane. By the method, the problem that active ingredients cannot be separated from the high-concentration wastewater of the glutamic acid is solved, glutamic acid fermentation residual sugar can be utilized fully, energy efficiency is high, the discharge of the wastewater is a few, and the pollution is low; and an electroosmosis technology has the advantages of simplicity of operation, no pollution, long service life and the like, the investment cost of enterprises is reduced, and the effects of energy conservation,emission reduction and multiple purposes are achieved.

The invention discloses an antibody-polymer combined body and a fluorescent derivative thereof and a preparation method of the antibody-polymer combined body and the fluorescent derivative. The antibody comprises at least one disulfide bond or free sulfydryl; the polymer is combined to the antibody through connection to the disulfide bond or free sulfydryl of the antibody; according to the method, a specific site of the antibody is modified; a polymer and a fluorescent derivative thereof grow in situ; or a polymer and a fluorescent derivative thereof are prepared in advance; and the antibody-polymer combined body and the fluorescent derivative thereof are prepared in a manner of specific site coupling of the antibody. The method disclosed by the invention is simple, convenient and efficient; the prepared product not only reserves the original biological activity of the antibody, but also improves the water solubility, stability, pharmacokinetics, distribution of organisms and treatment efficacy; the immunogenicity is reduced; in addition, compared with an antibody-fluorescence indicator prepared by the traditional method, the antibody-polymer fluorescent derivative prepared by the method has stronger fluorescence signal and detection signal strength.

The invention relates to a method for separating heteroacid from valine fermentation liquid. The method comprises the following steps of (1) separating mycoprotein from valine mother liquid by putting fermented L-valine fermentation liquid in a high-speed disc separator with the revolving speed of 4000-5000r/min, recycling mycoprotein precipitation, and collecting supernatant liquid; (2) secondary removing mycoprotein in a membrane filtration manner: filtering the obtained supernatant liquid by utilizing a ceramic membrane with the aperture of 60nm, filtering and recycling mycoprotein, and collecting filter liquid; (3) combining the supernatant liquid of the step (1) and the filter liquid of the step (2), and extracting the valine by utilizing an ion exchange method; and (4) combining the mycoprotein of the step (1) and the step (2). The method for separating the heteroacid from the valine fermentation liquid, disclosed by the invention, is applied to feed preparation and has wide application prospect.

The invention discloses a method for extracting and enriching radix curcumae longae, which belongs to the technical field of chemical extraction of natural drugs. The method for extracting and enriching the radix curcumae longae comprises the following steps: 1, preparing chitosan nano particles; 2, crushing medicinal materials; 3, preparing ion liquid and chitosan nano-particle solution wherein the ion liquid is bromo-dodecyl-3-methylimidazole, 200mM, and the chitosan nano-particle is 200 mu g/mL; 4, ultrasonically extracting the ion liquid: adding 0.2 g radix curcumae longae powder into 10mLof the ion liquid in an ultrasonic instrument, and ultrasonically extracting for 30 min at 40 DEG C; 5, enriching chitosan nano-particles: enriching the 1.0mg/mL radix curcumae longae ion liquid extract solution by using 0.6 mu g/mL chitosan nano-particles; and 6, eluting solvent: acetone. By adopting the method, the use of organic solvent is greatly reduced, the pollution and harm of the extraction process can be significantly reduced, the extraction effect and the extraction efficiency are improved, and the method is simple, wide in application range, easy in use and significant in enrichment effect.

The invention provides a method for safely and efficiently recycling lithium from a waste battery. The method comprises the following steps of charging the recycled waste battery, disassembling in a safe environment, sorting out a negative plate, cleaning the negative plate by using a leaching solution, after the lithium in a negative electrode reacts with a solvent, stripping graphite from a current collector, separating out filtrate and filter residue, and using a lithium-containing enriched liquid as a chemical pre-lithiation reagent to be re-applied to the negative electrode of the lithium ion battery. According to the method, the lithium element in the battery is safely and efficiently extracted by selecting the leaching solution, a prepared lithium supplementing solution with high additional value is applied to the negative electrode of the battery again, the operation is simple, and the safety is high.

The invention provides a method for preparing cis-pinane by adopting selective hydrogenation of alpha-pinene. According to the method, alpha-pinene and a magnetic catalyst react in a mass ratio being 50:(1-2.7) for 4.0-6.0 h at the reaction temperature of 140-180 DEG C and under hydrogen pressure of 4.0-6.0 MPa; cis-pinane is prepared, and after reaction, a catalyst phase and a product phase are recovered respectively through an external magnetic field. The catalyst phase does not require aftertreatment and is recycled directly. Under the process conditions, the conversion rate of alpha-pinene is higher than 99%, and the selectivity of cis-pinane is higher than 96%.

The invention relates to a purification method for obtaining high-purity recombinant human serum albumin. The method comprises the following steps: centrifugal ultrafiltration and secondary ultrafiltration are carried out after centrifuging and heating the fermentation liquid, the impurities encapsulated in the recombinant human serum albumin are then removed using 30% of alcohol and 6 of mol/L urea, the protein is renatured, eluted, and dialyzed to obtain the decontamination liquid, finally, the obtained decontamination liquid is sequentially subjected to cation exchange chromatography, anionexchange chromatography, and hydrophobic chromatography to obtain the high-purity recombinant human serum albumin. The recombinant human serum albumin obtained by the method has the advantages of high purity, less impurities, low degradation, high stability, and the like, and has the good application prospect. The final obtained recombinant human serum albumin reaches the level of pharmaceuticalgrade (the purity is greater than 99.999999%), which fully meets the requirements of the US Pharmacopoeia and the Japanese Pharmacopoeia for the injection-level recombinant human serum albumin.

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 relates to a method for preparing cannabidiol. The method comprises the following steps: separating a sample solution containing cannabidiol by adopting supercritical fluid chromatography to obtain high-purity cannabidiol, wherein a mobile phase in the supercritical fluid chromatography is supercritical carbon dioxide added with a modifier. According to the method, the high-purity cannabidiol can be efficiently and simply separated, the content of a main impurity, namely, cannabidiol, can be remarkably reduced, the purity of the cannabidiol is up to 97.59% to 99.89%, the sample loading amount is large, the separation period is short, the comprehensive yield is remarkably increased, and the organic solvent residue is low; and meanwhile, the method is suitable for separation and purification of various samples containing cannabidiol, is also suitable for industrial large-scale production and has a very wide application range.

The invention relates to a closed-loop recycling method of lithium in lithium ion batteries. The method comprises the following steps that recovered waste batteries are disassembled in a safe environment, and negative plates are sorted out; the negative plates are leached, separated and enriched by the aid of a leaching solution to obtain a lithium-enriched solution; recovered waste positive electrode materials are added into the lithium-enriched solution for reaction to realize lithium supplementation of the positive electrode material; and impurities are removed from the lithium-supplemented positive electrode materials to obtain regenerated positive electrode materials. According to the method, the lithium in the negative electrodes of the batteries is safely and efficiently extracted through screening of the leaching solution and can be directly applied to lithium supplement of the positive electrodes of the waste batteries again, closed-loop recycling of the lithium in the batteries is achieved, the energy consumption in the recovering process is greatly reduced, operation is easy, and safety is high.

The invention discloses a calcium and magnesium separation method for a dolomite carbonization process. The dolomite is crushed, calcined, and digested to a refined magnesium emulsion. The calcium and magnesium separation method comprises the following steps of: S1, introducing carbon dioxide into the refined magnesium emulsion until the pH is 12.5 to 9.5 to obtain a preliminary carbonization system; S2, adding acetylacetone to the preliminary carbonization system, and mixing to obtain a mixed system; and S3, introducing carbon dioxide to the mixed system until pH is 9.5 to 7.5 to produce calcium carbonate solids, and separating the solids, wherein a liquid phase is refined heavy magnesium water. According to the invention, acetylacetonate additives are added in the carbonization treatment of the refined magnesium emulsion, and the pH of the system is strictly controlled in the carbonization process, so that the efficient separation of calcium and magnesium is realized conveniently, the additives can be easily separated and recovered, and the production cost is greatly lowered.

The invention provides a method for optimally isolating monocytes in bovine peripheral blood. ACD-A is taken as an anticoagulant, the method comprises the optimization of centrifugal conditions, the optimization of cell cleaning conditions, the optimization of wall-sticking conditions and the like, and the success rate of the isolation is greatly improved. In the method, a whole set of complete system which comprises the sampling of bovine blood, the isolation of the monocytes in the bovine peripheral blood and the final transformation of the monocytes into macrophages is established for the first time, and the counting and dyeing are not required in the process, so that the time is saved and an isolation effect is improved. The survival rate of the monocytes isolated by the method is high; and the method is high in experimental repeatability and strong in operability, and provides powerful technical support for simply, conveniently and efficiently isolating the monocytes in the bovine peripheral blood.

The invention discloses a method for recycling plastic bottles. The method for recycling the plastic bottles comprises the steps that 1, the recycled plastic bottles after being cleaned are spread, the plastic bottles after being spread are cut; 2, the plastic bottles after cutting are cooked; 3, the plastic bottles after cutting are put into a melt extruder, and the plastic bottles are melted inthe melt extruder; and 4, the plastic bottles after being melted are cooled, and then are put into a screw extruder. According to the method for recycling the plastic bottles, the plastic bottles canbe separated and recycled conveniently and efficiently, the purity of the recycled plastics is effectively improved, the method is simple, public welfare and environmental protection are achieved, andthe economic benefit is improved.

The invention discloses a high-efficient tea winnowing machine convenient to adjust, which comprises rack and a winnowing drum. The upper part of the rack is welded with the horizontally arranged winnowing drum; a plurality of support legs are uniformly distributed on the lower surface of the rack; a control cabinet is arranged on one side of the rack; a plurality of rotating wheels are uniformly arranged on the upper surface of the rack; electric heating wire meshes wind the peripheries of the rotating wheels; a plurality of discharge holes are formed in the upper part of the rack; a discharge hole is located between each two adjacent rotating wheels. According to the high-efficient tea winnowing machine convenient to adjust provided by the invention, a feed polarizing film is arranged under a feed inlet and is matched with a screen mesh, so that tea leaves can be shaken, impurities can be promoted to be separated efficiently, and the feed inlet can be prevented from being blocked; the rotating wheels are adopted to be matched with the electric heating wire meshes, so that the tea leaves slide down from the rotating wheels, and the impact is relieved; a miniature fan on an air outlet strip forms negative pressure above the winnowing drum, so that the tea leaves can fall farther, and more accurate grade classification is facilitated; the control cabinet controls the overall operation parameters, so that the machine can be conveniently adjusted according to the characteristics of different tea leaves.

The invention discloses a method used for extracting chlorogenic acid from eucommia. According to the method, eucommia is taken as a raw material, and is used without drying; firstly, eucommia are water are subjected to three times of extraction to obtain a chlorogenic acid extracted solution; suspension polymerization method is adopted to obtain a magnetic molecular imprinting polymer; the prepared magnetic molecular imprinting polymer is used for adsorption of chlorogenic acid in the crude chlorogenic acid extracted solution; and condensation and pressure reduction drying are adopted to obtain chlorogenic acid. The method is low in energy consumption, high in chlorogenic acid yield, and low in hidden trouble rate, and is capable of realizing chlorogenic acid separation simply with high efficiency.

The invention discloses a device for separating paper. After the paper is rubbed out through a paper rubbing wheel, a paper pressing piece in a rotary paper pressing air cylinder set presses exposed lower-layer paper, a suction cup frame moves to the preset position to suck the paper, in the paper sucking process, the suction cup frame adjusts the height and the width in the width direction of two rows of suction cups, and the sucked paper forms a shape that the edge sucked by the suction cups is high, and the middle which is not sucked by the suction cups is sunken. Meanwhile, in the position change process of the suction cups, shaking suction cups on the suction cup frame continuously shake at high frequency in the vertical direction; an air knife group continuously blows air to the lower part of the edge of the paper, through the above manner, the air among the paper is increased, and the lower-layer paper is prevented from being sucked and falls back into a paper pile; and in this way, when the suction cup frame sucks top-layer paper to move to the preset position, all components of the device are ready to start to separate the next paper. Through mutual cooperation of various components and manners, the paper is not prone to being tightly attached together after air enters the paper, and therefore stable, reliable, efficient and convenient paper separation is achieved.

The invention relates to a recycling method of a plastic bottle. The recycling method comprises the following steps of step 1, cleaning the recycled plastic bottle, rolling, and cutting the rolled plastic bottle into blocks; step 2, boiling the cut plastic bottle blocks; step 3, putting the cut plastic bottle blocks into a melting extruding machine, and melting the plastic in the melting extrudingmachine; step 4, cooling the melted plastic, and putting into a screw extruding machine. The recycling method has the advantages that the plastic bottle can be conveniently and efficiently separated,and the purity of the recycled plastic is effectively improved; the method is simple, the public benefit and environment-friendly effect are realized, and the economic benefit is improved.

The invention relates to a functional magnetic material for selective separation of pepsase, wherein the functional magnetic material is prepared by the following preparation steps: preparing ferroferric oxide particles, namely preparing silicon dioxide-coated ferroferric oxide particles by using tetraethoxysilane as a silicon source; adding functional monomers containing glycosyl and positive charges into an aqueous solution, freely polymerizing with allyl triethoxysilane in the presence of an initiator, introducing nitrogen into the mixed solution to remove oxygen, and carrying out a reaction at normal temperature; after the polymerization is finished, adding ferroferric oxide coated with silicon dioxide, and carrying out a reaction in a water bath; and washing the obtained material withdistilled water, and drying to obtain the material. The functional magnetic material disclosed by the invention is good in biocompatibility and good in dispersity; the material has the advantages ofuniform particle size, strong adsorption performance on pepsase, stable performance, realization of repeated use, repeated use for at least six times, realization of the separation of pepsase after the material is placed in a room temperature dry environment for half a year, great saving of the use production cost, and wide application prospect.