2462results about "Solid sorbent liquid separation" patented technology

The present disclosure relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products. Herein are systems and processes for extracting lithium using ion exchange materials, where transition metal impurities may be removed from the synthetic lithium solution. In some embodiments, the transition metal species are reformulated to form ion exchange materials to be used in the systems and processes described herein.

An ion exchange filter (100) comprising: an outer housing (1) comprising a coolant inlet (2) and a coolant outlet (12); and an ion exchange device (11) configured to be disposed within the outer housing (1). The ion exchange device (11) comprises: an inner housing (5) configured to be inserted within the outer housing (1), the ion exchange filter (100) further comprising an inlet chamber (16) defined between a bottom portion of the inner housing (5) and a bottom portion of the outer housing (1); an ion exchange element (6) disposed within the inner housing (5) and configured to adsorb conductive ions in a coolant liquid; and an upper cover (10) removably connected to the inner housing (5) and to the outer housing (1), the ion exchange filter (100) further comprising an outlet chamber (73) defined between a top portion of the inner housing (5) and the ion exchange element (6).

A liquid immersion cooling system, that cools a heat generating body provided on a substrate, includes: a cooling device main body having a casing that houses the substrate and the heat generating body inside and stores a refrigerant for cooling the heat generating body; a circulation flow channel having both ends connected to each other in a communication state in the casing; an adsorption unit that is provided in the circulation flow channel and adsorbs impurities from the refrigerant circulating in the circulation flow channel; a pump that circulates the refrigerant in the circulation flow channel; and a control device that controls the pump. The control device includes a temperature drop detection unit that detects a decrease in temperature of the refrigerant in the casing, and a pump drive unit that drives the pump based on a detection of the temperature drop detection unit.

The invention belongs to the technical field of organic matter extraction, and particularly relates to a green directional extraction and purification method for haematococcus astaxanthin, which comprises the following steps: (1) mixing dried haematococcus powder and a composite pretreatment agent according to a mass ratio of 1: (8-15), and stirring to obtain a pretreated algae solution; (2) treating the pretreated algae liquid through ultrahigh-pressure microjet equipment to obtain wall-broken slurry; (3) mixing the wall-broken slurry and a composite extraction agent according to a volume ratio of 1: 3-1: 5, and performing extraction separation to obtain an astaxanthin extraction phase; (4) carrying out selective adsorption on the astaxanthin extraction phase through an adsorption column filled with a molecular imprinting adsorbent; (5) collecting eluent by adopting a gradient elution method; and (6) performing vacuum concentration on the eluent, and performing spray drying to obtain an astaxanthin product. According to the method, the astaxanthin extraction efficiency and the product purity are remarkably improved, meanwhile, the energy consumption is reduced to the maximum extent, toxic solvent residues are avoided, and the stability of the astaxanthin is effectively protected.

The invention provides a method for separating and purifying galactose and glucose by using a simulated moving bed chromatography system, and relates to the technical field of saccharide separation and purification. According to the method, the simulated moving bed chromatography system is used for separating and purifying the galactose, operation can be carried out under the set temperature condition, the separation and purification efficiency of the galactose is remarkably improved, continuous large-scale efficient separation and purification of the galactose can be achieved, the separation and purification effect is good, the yield is high, and the product quality is good. According to the method, pure water is used as an eluent, and analyzed and purified compounds are free of damage, low in toxicity, rich in source and low in cost.

The present application relates to electrolytic manganese technology field, specifically to a kind of method for removing heavy metal ions in manganese sulfate solution.The method for removing heavy metal ions in manganese sulfate solution provided by the present application includes the following steps: adding oxidizing agent to pretreated manganese sulfate solution, mixing and stirring, then adjusting the pH value of solution to 5.5-6.0, filtering, to obtain the first purified manganese sulfate solution;Add sulfidation agent to the first purified manganese sulfate solution, filter, to obtain the second purified manganese sulfate solution;Add porous resin polymer to the second purified manganese sulfate solution, add the mixed solution into a sealed container, introduce nitrogen, make the pressure in the sealed container reach 1.1-1.5MPa and maintain for 2-10min, then open the air valve and release pressure instantaneously, stand, filter, fine filter, to obtain the purified manganese sulfate solution.The method provided by the present application can not only effectively remove heavy metal ions in solution, but also effectively reduce the COD value of the purified solution, reduce the loss of manganese content in solution.

The invention discloses a method for extracting a target product from a milk raw material, and relates to the technical field of food processing. According to the method, before strong anion exchange chromatography is carried out, a synergistic pretreatment step of ultrafiltration and conductivity adjustment is introduced, so that acceleration, synergism, quality improvement and cost reduction of the chromatography process are realized, and the technical bottlenecks of low speed, easiness in pollution, instability and the like of the traditional ion exchange chromatography during treatment of milk raw materials are overcome; and a solution is provided for high-efficiency, high-purity and large-scale production of the beta-lactoglobulin and the alpha-lactalbumin. According to the method, strong anion exchange chromatography and weak anion exchange chromatography can be combined, so that the extraction purity of beta-lactoglobulin and alpha-lactalbumin can be further improved; in addition, the method can synchronously realize high-efficiency extraction of various target substances such as casein micelles, lactose and milk mineral salts, so that the additional value and resource utilization efficiency of milk source byproducts are greatly improved.

A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.

Processes and apparatuses for degrading PFAS into calcium fluoride, carbon dioxide, and water. PFAS are heated and introduced to a calcium base which will degrade the PFAS. The PFAS may be in a stream that is a PFAS enriched stream formed by desorbing the PFAS from an adsorbent which removed the PFAS from a contaminant stream. The PFAS may be desorbed in the presence of the calcium base. The calcium base may be calcium hydroxide, calcium oxide, calcium carbonate, or combinations thereof.

A system and method for determining charge variants in monoclonal antibodies using raman spectroscopy is disclosed.

A method of performing liquid chromatography (LC) with an LC system including an LC column and an analyzer includes delivering a transport liquid to an open port interface (OPI) of a sample receiving circuit, wherein the sample receiving circuit includes a sample transfer chamber. A sample is ejected from a sample holder into the OPI with a non-contact ejector. The transport liquid and the sample are received in the sample transfer chamber. The sample transfer chamber is decoupled from the sample receiving circuit. A solvent is delivered to the analysis circuit. The sample is pushed from the sample transfer chamber with the solvent. The sample and the solvent is passed through the LC column to produce an eluent. The eluent is analyzed with the analyzer.

A new method for extracting lithium from salt lake brine, comprising the following steps: a salt lake old brine raw material, desorption liquid, low-magnesium water, and adsorption tail liquid pass through an old brine feeding pipe (2), a desorption liquid feeding pipe (4), a low-magnesium water top desorption liquid feeding pipe (3), and an adsorption tail liquid top desorption liquid feeding pipe (11), respectively, which are located above and below a rotary disc of a multi-way valve system (1); and after respectively entering corresponding adsorption columns (6) by means of a duct and channel within the multi-way valve system (1), the entire process procedure is completed from an adsorption tail liquid discharge pipe (7), a qualified desorption liquid discharge pipe (10), a lithium-containing old brine discharge pipe (8), and an adsorption tail liquid top desorption liquid discharge pipe (5); and the adsorption columns (6) are connected in series or in parallel by means of channels located in the multi-way valve system (1). The feature in which a multi-way valve device is simple and easy to operate is utilized, and in comparison with a fixed bed operating system, the utilization rate of lithium adsorbent may be increased by over 20%, the utilization efficiency of the lithium adsorbent may be increased by over 40%, and production costs may be reduced by 30-50%. Therefore, the stability of a qualified desorption liquid is improved, stable production is guaranteed, and year-round constant operation may be achieved.

A full solid-waste micro-expansive concrete and its preparation method are provided, and relate to the field of concrete material technologies. The full solid-waste micro-expansive concrete includes the following components in parts by weight: 920-1060 parts of a coarse aggregate, 460-582 parts of a fine aggregate, 11-19 parts of an expansive agent, 389-512 parts of a modified solid-waste-based cementitious material, and 231-268 parts of water. The coarse aggregate is coal gangue. The fine aggregate is waste ceramic. The modified solid-waste-based cementitious material includes a solid-waste-based clinker, modified polyvinyl alcohol, and a modified anion exchange resin. The solid-waste-based clinker is prepared from the coal gangue, carbide slag, and desulfurization gypsum. The expansive agent is obtained by calcining the carbide slag. The concrete prepared can ensure the initial strength of the concrete, and guarantee continuous micro-expansion in the later stage, compensating for shrinkage and thereby increasing the overall strength of the concrete.

The present disclosure provides materials and methods related to the purification of viral vectors. In particular, the present disclosure provides peptides, compositions, adsorbents, and related methods, capable of removing process-related impurities (e.g., host cell proteins, nucleic acids, and media components) and product-related impurities (e.g., product fragments, product aggregates, and inactive forms derived from product degradation by or association with other species in the cell culture harvest) from samples during the production and purification of adenovirus.

Systems and methods for generating radionuclides, such as radium-224. Systems herein may include a first cartridge having a first opening, a second opening, and a chamber therebetween having a first resin having affinity for thorium-228 and bismuth-212; a second cartridge having a first opening, a second opening, and a chamber therebetween having a second resin having affinity for thorium-228 and bismuth-212, a third cartridge having a first opening, a second opening, and a chamber therebetween comprising a third resin having affinity for thorium-228 and bismuth-212, a fourth cartridge having a first opening, a second opening, and a chamber therebetween having a third resin having affinity for lead-212; wherein a continuous flow path is formed from a top of the first cartridge though the second cartridge, through the third cartridge, and to a bottom of the fourth cartridge during system use.

The invention relates to the technical field of biomacromolecule separation and purification engineering, and discloses a chromatographic separation method for removing endotoxin in a vaccine preparation, which comprises the following steps: preparing an equilibrium buffer solution containing citrate with specific concentration and L-arginine hydrochloride; providing a mixed mode chromatography medium with hydrophobic and ion exchange complex ligands and balancing with a buffer; according to the method, through the synergistic effect of 8.0-12.0 mmol / L of citrate and 150-250 mmol / L of L-arginine hydrochloride, the endotoxin micelle structure is destroyed and is induced to be dissociated into monomers, and meanwhile, L-arginine is used for inhibiting monomer aggregation, so that the monomers are diffused into inner holes of the medium in a small size to be adsorbed, and the endotoxin micelle structure is separated into the medium. Therefore, the problem of separation caused by size overlapping of endotoxin micelles and antigens is solved, and double breakthrough of deep removal of endotoxin and high recovery rate of antigens is realized.

The present invention relates to a method for quantitative and qualitative determination of the acylcarnitine profile in a dried blood spot of children and / or adults using acylcarnitine standards to perform a standard curve using liquid chromatography coupled with electrospray ionisation mass spectrometry (LC-MS).

In some examples, a filter assembly may include a filter including a first gasket having a first channel adjacent to a first side of the filter and a second gasket having a second channel adjacent to a second side of the filter. The first gasket and the second gasket may include a beveled surface adjacent to the filter. The first channel and the second channel may include a diameter of from about 0.01 mm to about 0.5 mm. A finger tightening system may securely hold the filter without any leaks.

A method for separating and purifying 4MP1 from a mixture containing 4MTP2 and 1-Hexene comprises the following steps: continuously introducing a solution in which 4MTP2, 1-Hexene and 4MP1 with any concentration are dissolved into a simulated moving bed chromatography system as a raw material solution, collecting a high-purity 4MP1 solution from raffinate of the simulated moving bed chromatography system by adopting a metal organic framework material as a stationary phase, and separating the high-purity 4MP1 solution from the raffinate of the simulated moving bed chromatography system. The extraction liquid is a solution containing impurities 4MTP2 and 1-Hexene. The invention provides a brand new method for separating 4MP1 from 4MTP2 and 1-Hexene, and a complete separation scheme is provided for the prior art; in the separation of high-concentration 4MP1, the relative purity of the separated and purified 4MP1 can reach gt; the recovery rate is gt; and in the separation of low-concentration 4MP1, the rectification level is also exceeded, and the method is more suitable for 4MP1 thermosensitive substances.

The invention discloses a separation method or an analysis method of astaxanthin geometric isomers and corresponding optical isomers thereof, and relates to the technical field of analysis. According to the method, four geometric isomers of all-trans astaxanthin, 9-cis astaxanthin and 13-cis / 15-cis astaxanthin can be effectively separated, and effective separation and detection of three optical isomers of all-trans astaxanthin, four optical isomers of 9-cis astaxanthin and eight optical isomers of 13-cis / 15-cis astaxanthin are further realized; therefore, effective separation and analysis of optical isomers corresponding to various geometric isomers can be realized. The method is high in specificity, good in separation degree and high in analysis accuracy of geometric isomers and optical isomers, and has important significance in developing research on the accurate correlation between the astaxanthin biological activity and the isomers.

The invention relates to the technical field of microbial technology and rare earth element recovery. The invention provides bacillus tequilensis Re2, and the preservation number of the bacillus tequilensis Re2 is CGMCC (China General Microbiological Culture Collection Center) No. 36764. The strain Re2 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 25, 2025, the center is called CGMCC for short, the address of the center is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation number of the strain Re2 is CGMCC No.36764, and the strain Re2 is classified and named as Bacillus tequilensis. The bacillus tequilensis provided by the invention can efficiently adsorb various rare earth elements, and the rare earth elements in spores can be eluted after 2, 6-dipicolinic acid (DPA) is added; therefore, the repeated utilization of the strain is realized.

The invention relates to the technical field of polyphenol extraction, and provides a green pear polyphenol extraction method which comprises the following steps: performing steam explosion treatment on pear residue dry powder, and then infiltrating and activating by using an aqueous solution containing L-malic acid; adding betaine and D-gluconic acid into the first part of ultrapure water to prepare a deep eutectic solvent; mixing the eutectic solvent with a second part of ultrapure water to prepare a composite extracting agent; putting the infiltrated and activated raw materials and a composite extracting agent into an extraction device to obtain an extracting solution; carrying out solid-liquid separation on the extracting solution to obtain a clear solution; and adsorbing the clarified liquid through macroporous adsorption resin, then eluting with an ethanol water solution, collecting polyphenol-rich eluent, and carrying out spray drying to obtain the pear polyphenol extract. According to the technical scheme, the quality of an extracted product is improved, and polyphenol oxidation and thermal degradation are reduced; meanwhile, the product storage stability is improved, the phenomena of wall sticking and caking of powder are reduced, and the product yield and physical properties are guaranteed.

The invention relates to the technical field of liquid chromatography fractionation, in particular to a full-automatic liquid chromatography fractionation device, which comprises a fractionation support, a chromatography column bracket and a fractionation chromatography column, and is also provided with an annular ultrasonic array module formed by combining a semi-ring diagnosis probe I and a semi-ring diagnosis probe II, an adjustable sieve plate, a multi-zone differential compensation assembly and a control module, a liquid inlet pipe, a liquid outlet and a detection sensor are additionally arranged; the annular ultrasonic array module detects the compactness of packing in the column and the axial and radial uniformity of pore distribution, the control module controls the multi-area differential compensation assembly to apply differential compensation pressure to different axial sections of a column bed after receiving data, and the detection sensor monitors fluid parameters; the device realizes accurate monitoring and targeted regulation and control of the column bed state, ensures uniform filler compactness, avoids flow state abnormity and bubble interference, remarkably improves fractionation separation efficiency and product purity, is convenient to operate and stable in operation, and is suitable for high-precision separation scenes.

The invention relates to the technical field of food safety detection, in particular to solid-phase extraction filler for detecting pesticide residues in food and a preparation method and application thereof.The solid-phase extraction filler comprises a magnetic filler core and a selective adsorption layer wrapping the magnetic filler core; wherein the interior of the magnetic filler core at least comprises magnetic particles and a coating layer for improving the stability of the magnetic particles; the selective adsorption layer is composed of a porous organic framework material which is chemically grafted outside the coating layer; and a temperature-sensitive polymer gel layer also covers the outer part of the selective adsorption layer. According to the solid-phase extraction filler disclosed by the invention, through an innovative hierarchical structure design, the extraction of trace pesticide residues in food can be effectively improved, the extraction difficulty is reduced, and the extraction efficiency and the extraction selectivity are improved.

Provided herein are methods for purifying polypeptides (e.g., antibodies) comprising an Fc region by Protein A chromatography; methods for using wash solutions comprising benzoate and / or benzyl alcohol during Protein A chromatography; and methods for conditioning the harvest using sodium benzoate prior to Protein A chromatography. [Selected Figure] Figure 1

The invention discloses a stationary phase of a novel zwitterionic monomer containing a multi-charge structure as well as a preparation method and application of the stationary phase, and belongs to the technical field of hydrophilic interaction chromatography (HILIC) stationary phases. According to the method, multi-charge zwitterions are used as hydrophilic monomers, the multi-charge structure of the multi-charge zwitterions endows the monomers with higher hydrophilic performance, and the multi-charge zwitterions are immobilized on the surface of a matrix by utilizing an active free radical polymerization method, so that a series of novel super-hydrophilic HILIC stationary phases are finally prepared. The multi-charge zwitterionic monomer adopted by the invention not only has better hydrophilic performance and higher charge density, but also can efficiently, simply and conveniently realize matrix surface grafting and modification. The developed stationary phase is suitable for HILIC column chromatography separation analysis, and the HILIC chromatographic performance can be greatly improved; the method can also be applied to the fields of biological sample pretreatment, material science, marker clinical diagnosis and the like, and has high economic and social values.

The utility model discloses a device for continuously producing polyether. The device comprises a mixing kettle, a mixing kettle discharging pump, a receiving tank A, a receiving tank discharging pump A, a PO feeding pump, a static mixer, a pipeline reactor, a reactor discharging pump, an adsorption tower, an adsorption tower discharging pump, a receiving tank B, a receiving tank discharging pump B and a distillation tower, the method comprises the following steps: mixing an alcohol raw material and a catalyst in a mixing kettle, pumping into a receiving tank A for temporary storage, pumping the mixed material in the receiving tank A into a static mixer, mixing with epoxypropane, feeding into a pipeline reactor for reaction, pumping the reaction product in the pipeline reactor into an adsorption tower to remove metal elements introduced by the catalyst, a reaction product in the adsorption tower is pumped into a receiving tank B for temporary storage through an adsorption tower discharging pump, a reaction product in the receiving tank B is pumped into a distillation tower for distillation and purification, and purified polyether is obtained. By adopting the continuous production device, the energy consumption can be reduced, the generation of waste gas, waste residues and waste water is reduced, and the production cost is further reduced.

The present invention relates to the technical field of waste lubricating oil treatment, and discloses a non-distillation regeneration apparatus and system, the non-distillation regeneration apparatus comprises: a high pollution lubricating oil pretreatment unit for removing water and other large particle impurities in waste oil; the electro-adsorption unit is used for capturing pollutants such as polar oxides and colloids in oil by adopting a porous conductive framework under the action of a direct-current electric field; the molecular filtering unit is used for carrying out cross-flow filtering by utilizing a ceramic membrane assembly and removing macromolecular non-ideal components; the deep purification unit is filled with a composite adsorbent to further purify the base oil, and the final product quality is ensured. By means of the innovative electro-adsorption refining filter and the multi-stage collaborative purification process, efficient regeneration of the waste lubricating oil under the non-distillation condition is achieved, high-quality base oil can be stably produced, and the method has the remarkable advantages of being energy-saving, environmentally friendly and high in automation degree.

The utility model relates to filtering equipment capable of automatically replacing and filling activated carbon and an extraction oil removal system, and relates to the field of filtering equipment. The filtering equipment comprises a feeding mechanism, a spiral conveying pipe, a filtering unit, a conveying belt and a waste barrel, the filtering unit comprises a filtering barrel, a top cover and a bottom cover, the top cover and the bottom cover are detachably connected with the filtering barrel, an activated carbon inlet and a liquid inlet are formed in the top cover, and a liquid outlet is formed in the bottom cover; the feeding mechanism is located above the filtering unit, the feeding mechanism is communicated with the spiral conveying pipe, and a discharging opening of the spiral conveying pipe is communicated with the activated carbon inlet; the conveying belt is arranged below the filtering unit, and the tail end of the conveying belt communicates with the waste barrel. The filtering equipment can be quickly disassembled and is convenient to maintain, filling and discharging of activated carbon do not need manual intervention, automatic replacement can be achieved, operators are effectively prevented from entering the tank body for operation, safety and efficiency are improved, labor intensity is reduced, and the filtering equipment is more efficient and more environmentally friendly.

The utility model discloses an activated carbon wine filtering device, which belongs to the technical field of filtering equipment and comprises a tank body, a filtering space is arranged in the tank body, and a filling port is arranged at the top of the tank body; the cover body is detachably arranged at the top of the tank body, and the cover body is connected with the tank body to close the filling opening; the compaction assembly is arranged in the filtering space, the compaction assembly is provided with a compaction part, the compaction part is suitable for ascending or descending in the filtering space, and the compaction part descends to compact the activated carbon particles. According to the filter device designed by the utility model, active carbon particles are compacted by controlling the movement of the compaction part, so that gaps among the particles can be reduced, the condition of non-uniform distribution of the active carbon particles is avoided, and meanwhile, the amount of active carbon in unit volume is increased, so that liquid is more fully contacted with the active carbon when flowing through the active carbon layer; the adsorption effect is enhanced.