695results about "Solvent extraction" patented technology

The utility model discloses plant extract extraction equipment, which belongs to the technical field of plant extraction and comprises an extraction barrel, a supporting plate is fixedly mounted on the upper surface of the extraction barrel, a fixing plate is fixedly mounted on the upper surface of the supporting plate, and a pressing component and a lifting component are arranged on the upper surface of the fixing plate; according to the device, the pressing assembly is arranged, the other toothed chain wheel drives the reciprocating lead screw to rotate under the action of the toothed chain, at the moment, the lower sliding sleeve can drive the pressing plate to move up and down in the filter barrel under the limitation of the air cylinder under the action of the thread, plants in the filter barrel can be extruded when the pressing plate moves downwards, and when the pressing plate moves upwards, the plants can be extruded by the reciprocating lead screw. When the plant is not extruded, the solvent can be absorbed, so that the plant is filled with the solvent, the plant is pressed while rotating in the plant soaking process, the full contact between the plant and the solvent is further ensured, the extraction quality of plant extraction is improved, the solvent waste can be avoided by pressing during discharging, and the purpose of saving resources is achieved.

The utility model relates to a sealing structure of supercritical extraction equipment, which comprises a reaction kettle, the outer end of the reaction kettle is sleeved with an end cover, the bottom end of the end cover is fixedly connected with a fixing ring, the outer end of the fixing ring is provided with a sealing groove, the inner wall of the sealing groove is rotatably connected with a sealing ring, and the bottom end of the fixing ring is fixedly connected with a movable sealing assembly. According to the structure, the elastic corrugated sealing ring, the sealing ring and the movable sealing assembly are adopted to form multiple sealing, the movable sealing assembly is matched with the pressurizing ring through the first annular cavity and the second annular cavity, the sealing force is automatically adjusted through system pressure, heat-absorbing expansion liquid in the liquid storage ring can automatically compensate for a heat-expansion and cold-contraction gap, and meanwhile the sealing effect is improved. The piezoelectric ceramic stack is combined with the stirring rod, ultrasonic-mechanical coupling extraction is achieved, mass transfer efficiency is improved, crystals on a sealing component can be removed through the generated cavitation effect, and the ultrasonic-mechanical coupling extraction device has the advantages of being reliable in sealing, high in self-adaptability and the like.

Extraction media for removal, concentration, and recovery of PEAS from contaminated materials in fluorous biphasic and / or multiphasic systems and related methods. The systems may include a fluorous functionalized solid support and a fluorous fractionation reactor permitting PFAS separation for targeted recovery. Extraction mediums comprise a polyelectrolyte with carbon dioxide / supercritical carbon dioxide (CO2 / SCCO2) with additional possible reagent modifiers that permit miscibility switches and compatibility with NSF / ANSI certifications. The extraction medium may include modifiers to enhance targeted recovery, such as F -solvents and / or organic carrier solvents. The disclosed systems and methods permit advantages such as 1 ) reduced sensitivity to PFAS-impacted phase co-contam inants such as competing anionic species and / or organic contaminants, 2) simple contact reactor retrofits, 3) enhanced removal of ultra- and / or short chain PFAS, 4) enhanced uniformity of matrix chemistry for downstream waste / wastewater management processes, and 5) the ability to recover valuable PFAS from waste / wastewater for processes that are dependent on their chemistry.

Provided is a method of recovering valuable materials that is a method of recovering lithium carbonate from a lithium-ion secondary battery, where the lithium carbonate has a boron content of less than 1 ppm and a calcium content of 100 ppm or less. The method includes a heat treatment step, a crushing and classification step, a slurry formation step, a wet magnetic separation step, an acid leaching step, a neutralization step, a neutralized cake solid-liquid separation step, a calcium carbonate crystallization step, a calcium carbonate solid-liquid separation step, and a calcium adsorption and removal step.

The invention discloses a separation and purification method of vanadium-containing tungstate. The method comprises the following steps: providing a vanadium-containing tungstate aqueous solution; providing an extraction liquid, wherein the extraction liquid comprises a sulfuric acid type quaternary ammonium salt extraction agent, a modifier and an organic solvent; mixing the vanadium-containing tungstate aqueous solution with the extraction liquid, and performing first extraction to obtain a first extraction phase and a first raffinate phase; providing strip liquor, wherein the strip liquor comprises alkali metal sulfate and alkali metal hydroxide; mixing the first extraction phase with the strip liquor, and carrying out first reverse extraction to obtain an alkali metal vanadate solution; and carrying out the same extraction and reverse extraction method on the first raffinate phase to obtain an alkali metal tungstate radical solution, thereby realizing respective separation and purification of vanadate radicals and tungstate radicals.

According to the present invention there is provided processes for the recovery of lithium from end-of-life lithium-ion batteries and battery matter. A representative process resides in a process for separating lithium from lithium ion batteries before undertaking hydrometallurgical or pyrometallurgical processing, the process comprising: providing a black mass (BM) or shredded battery material (SBM) that includes cation and anion components; commixing the BM or SBM with an admixture that includes water and supercritical carbon dioxide; and separating an aqueous leachate and a lithium-leached BM or SBM, where the aqueous leachate includes a lithium carbonate and / or bicarbonate.

A method for recycling and treating an electrolytic solution of a lithium ion battery, comprise cooling a fully discharged lithium ion battery below a freezing point of the electrolytic solution, disa

A process for purifying a regenerated polymer to a purer polymer is disclosed. In embodiments of the invention, the method involves obtaining a regenerated polymer, leaching various contaminants with a leaching solvent to produce a leached polymer, extracting the leached polymer with a first fluid solvent to produce an extracted polymer, and then dissolving the extracted polymer in a solvent to produce a first solution comprising a dissolved polymer. The first solution is settled and then filtered. A purer polymer is separated from the resulting solution.

There is disclosed a method for treatment of an aqueous lithium salt-containing solution in a direct lithium extraction process comprising lithium-selective media, wherein the aqueous lithium salt-containing solution comprises one or more foulants, the method comprising the steps of adjusting the oxidative-reductive potential and / or pH of the aqueous lithium salt-containing solution to render the one or more foulants inert to the lithium-selective media; and removing the one or more inert foulants from the aqueous lithium salt-containing solution prior to addition of the aqueous lithium salt-containing solution to the lithium-selective media in a direct lithium extraction process.

A versatile and efficient method is described for recovering a high-purity material (target) or multiple materials (targets) from a complex mixture in batch or continuous chromatography systems. If perfectly selective sorbents are available for the targets, constant-pattern batch capture methods in tandem or tandem carousel capture methods are preferred. If perfectly selective sorbents for the targets are unavailable, the batch capture, carousel capture, isocratic SMB, non-isocratic SMB, and isotachic displacement methods can be deployed in tandem or in parallel to produce high purity products with high yields and high productivity.

An electronic waste (E-waste) recycling process and composite article or material using the E-waste. E-waste, for example including printed circuit boards (PCBs) and / or electronic components (ECs) such as integrated circuit chips, is size reduced, processed with one or more chemicals to remove base metals, precious metals, and chemicals of concern, and dried to provide a E-waste powder. The E-waste powder, may be used to form an E-waste composite article or material.

The invention discloses a method for producing monopotassium phosphate by organic extraction of crude phosphoric acid, which comprises the following steps: carrying out desulfurization and defluorination on wet-process crude phosphoric acid, then removing heavy metals, adding the heavy metal removed crude phosphoric acid and extract liquor into a crude phosphoric acid extraction clarification tank, carrying out crude phosphoric acid extraction reaction, and carrying out phase separation to obtain an extraction phase and raffinate acid; washing the extract phase with purified phosphoric acid, feeding into a homogeneous pre-reaction tank, adding a potassium chloride solution, fully and uniformly mixing, feeding into a hydrochloric acid extraction reaction clarification tank for phase separation to obtain monopotassium phosphate slurry and a hydrochloric acid-containing extract phase, and performing solid-liquid separation on the monopotassium phosphate slurry to obtain monopotassium phosphate clear liquid; concentrating and crystallizing the monopotassium phosphate clear liquid to obtain a monopotassium phosphate product; the extract liquor is an alkylamine type extractant added with a diluent. The method is high in comprehensive economic value, the used extraction agent is excellent in comprehensive performance, and the prepared monopotassium phosphate product is good in quality.

Provided herein are assemblies and methods for lithium, magnesium, and / or calcium extraction. In various embodiments, an assembly includes a leaching tank defining an interior chamber having one or more inlets and one or more outlets. The leaching tank is configured to receive through the one or more inlets a mixture comprising a substrate having one or more target metals and a solvent. The assembly further includes a sonic probe positioned within the interior chamber, suspended in the solution, and / or a sonic plate configured to provide sonic energy to the mixture.

A filter tip (2), an adapter (1), and a micro-volume ultrafiltration bottle. The filter tip (2) comprises a tubular structure penetrating up and down. An inner side wall (2-1) of the tubular structure gradually tapers from top to bottom towards the center line to form an inverted conical inner cavity structure. A bottom portion of the inverted conical inner cavity structure is a conical hole (2-3). A lower end of the tubular structure is provided with a filter joint (2-2), and a bottom flow guide groove (2-5) or a bottom flow guide region (2-6) is arranged between the conical hole (2-3) and the filter joint (2-2). The filter tip (2) is connected to an inner side wall of a lower end of the adapter (1). The micro-volume ultrafiltration bottle comprises a bottle body (3) and further comprises the adapter (1) disposed at a bottle mouth and extending downward into the bottle body (3), and the filter tip (2) is connected to a bottom portion of the adapter (1). The filter tip (2), the adapter (1), and the micro-volume ultrafiltration bottle can implement filtration or extraction of a micro-amount of a liquid sample and can directly draw the micro-amount of a liquid sample for analysis.

The present invention relates to an improved process for the recovery of valuables in the form of graphitic carbon fractions, cryolite, sodium fluoride, sodium carbonate / sulphate, and mixed hydroxides from spent anode dust and first-cut spent pot lining materials obtained from electrolytic reduction cells which are used to produce aluminium metal. The recovered graphite has various applications in electrostatic charge dissipative coating, Li-Battery and so on.

To provide a marigold extract, and application thereof to preparation of an anti-prostatic cancer medicine.SOLUTION: The present invention relates to a medical technical field, particularly application of marigold extract and preparation thereof into an anti-prostatic cancer medicine, where the extract uses ethyl acetate as an extraction agent, is obtained by extracting active ingredients of roots or stems of marigold, marigold extract suppresses survival and proliferation of a tumor cell by inducing pyrokinesis of a cell, can suppress progress of a tumor, and can be used for preventing prostatic cancer and / or preparing a therapeutic drug.SELECTED DRAWING: Figure 1

The invention relates to a process for purifying maritime pine bark by selective sieving and grinding, as well as the extracts obtained from this purified bark. The purified bark of the invention is obtained by a three-step process consisting of pre-sieving the raw bark, followed by selective grinding of the pre-sieved bark with a non-shearing grinder, followed by sieving of the selectively ground raw bark. The maritime pine bark extracts obtained from this purified bark can be obtained by extraction with water or with a mixture of water and ethanol. Extracts obtained by water extraction have a procyanidin content of between 65% and 75%, while extracts obtained with a mixture of water and ethanol have a procyanidin content greater than or equal to 70%.Extracts of maritime pine bark obtained from the purified bark of the invention can be used as ingredients for the formulation of food supplements, functional foods or cosmetic products.

Methods for processing metal components from the nuclear industry are described. In some embodiments, a method includes processing a component having a surface contaminated with radionuclides by dissolving at least a portion of the surface with an acid solution to produce a waste solution including the radionuclides, and separating the radionuclides from the waste solution. In some embodiments, a method includes processing a component including a target radionuclide by immersing at least a portion of the component in an electrolyte bath, applying an electric current to cause electrodissolution, and electroplating the target radionuclide from the solution onto a cathode. In some embodiments, a method includes processing a metal composite component by dissolving it to produce a solution including dissolved metal and particulate material, and separating the particulate material.

The present disclosure relates to a method for preparing a solid form of the lithium salt of bis(fluorosulfonyl)imide (LiFSI), wherein the solid form of LiFSI salt is extracted from a solution comprising at least one solvent by supercritical anti-solvent extraction. The present invention also relates to the solid form of LiFSI obtained therefrom, as well as the use of such LiFSI in a battery electrolyte.

A method of separating and purifying a mixed stream of contaminated reclaimed polyethylene and contaminated reclaimed polypropylene is provided. The method comprises the steps of extraction, dissolution, settling, purification, and solvent separation to produce separate streams of purified recycled polyethylene and purified recycled polypropylene. Both separate streams are produced in the same production plant operating in swing mode, and have virgin-like optical properties.

The present invention relates to the technical field of solid waste testing. Disclosed is an apparatus for preparing a solid waste leaching solution. The apparatus for preparing a solid waste leaching solution comprises a base, a pretreatment mechanism, sample bottles, a cabinet, an overturn oscillation mechanism and a suction filtration device, wherein the pretreatment mechanism is arranged above the base and is used for weighing, crushing and sieving solid waste; the cabinet is arranged at the top of the base; the sample bottles and the overturn oscillation mechanism are both arranged on the inner side of the cabinet; and the sample bottles are used for containing crushed solid waste mixed with a leaching agent. By means of the apparatus for preparing a solid waste leaching solution, solid waste to be crushed is weighed synchronously while being fed into a treatment cylinder, without the need for transferring the solid waste after a crushing operation, thereby simplifying operation steps. Compared with some apparatuses that use mechanical arms for transferring, the present invention effectively reduces the manufacturing and usage costs, shortens the operation time, and improves the operation efficiency.

It is provided an environmentally friendly process for recycling metals and nonmetallic components from printed circuit boards (PCBs), without using treatments considered damaging to the environment and minimizing emission of greenhouse gases comprising the steps of shredding the PCBs, micronizing the shredded PCBs producing a micronized powder, removing plastic and epoxy from the micronized powder, leaching, precipitating and recuperating the Al, Fe, Zn, Ni, Cr, Cu, Au, Ag, and Pd from the micronized powder, producing a filtrate from which the Cu is recovered. The solid product of the process is a concentrate of precious metals.

To provide natural wood material with improved strength and toughness.SOLUTION: Wood material is treated in a chemical process to partially remove lignin from cellulose-based natural wood material, in which cellulose nanofibers of cell walls are aligned. Then, the treated wood material is pressed in a direction intersecting a direction in which lumens extend, such that the lumens are destroyed and residual fluid in the wood material is removed.SELECTED DRAWING: Figure 4

The invention provides a composition comprising (a) from about 6 to about 18 weight % R-1132a, (b) from about 5 to about 35 weight % R-32, and (c) from about 47 to about 89 weight % R-1234yf. The use of such a composition as a working fluid in a heat pump system of a vehicle, preferably an electric vehicle, is also provided.

The present invention relates to the field of food and medicine, and in particular to a red apple and cherry plum composition with anti-atherosclerotic efficacy, wherein the weight ratio of the red apple and cherry plum is 1:10-10:1. Mouse animal experiments show that the red apple and cherry plum composition has a synergistic effect in anti-atherosclerotic efficacy, and the efficacy of the composition in preventing or treating atherosclerosis is better than that of using red apple or cherry plum alone. The product forms of the red apple and cherry plum composition include juice, jam, fruit powder, oral liquid products, capsules, tablets, etc. The red apple and cherry plum composition also has a certain synergistic effect when used in combination with statins and other drugs.

A method of manufacturing a cobalt-nickel-containing solution including: preparing a crude nickel hydroxide and / or a crude cobalt hydroxide as a starting material, the crude nickel or cobalt hydroxide containing cobalt and nickel and elements except the cobalt and nickel as impurities, the crude nickel hydroxide containing the nickel more than the cobalt, and the crude cobalt hydroxide containing the cobalt more than the nickel; a water-washing process for obtaining a post-water-washing crude hydroxide from the starting material; a leaching process for obtaining a post-leaching solution from the post-water-washing crude hydroxide; a neutralization process of subjecting the post-leaching solution to neutralization and solid-liquid-separation to remove the impurities as a post-neutralization residue containing one or more of iron, silicon, aluminum, and chromium, thereby obtaining a post-neutralization solution; and an extraction process of subjecting the post-neutralization solution to solvent extraction to obtain a post-extraction solution containing cobalt and nickel with the impurities reduced.

The utility model relates to the technical field of extractors, and discloses a distillation type Chinese mugwort essential oil extractor which comprises an outer wall, an inner wall is fixedly connected to the interior of the outer wall, a feeding port is fixedly connected to one end of the upper side of the outer wall, a discharging port is fixedly connected to the middle end of the lower side of the outer wall, and a liquid outlet is fixedly connected to the outer side of the lower end of the outer wall. A heating assembly is fixedly connected to the inner side of the outer end of the outer wall, when Chinese mugwort is distilled and processed, the Chinese mugwort is put into the inner wall from the feeding port, then the heating assembly, the auxiliary heating assembly and the rotating assembly are started, and the heating assembly and the auxiliary heating assembly operate to heat the interior of the inner wall; after the rotating assembly operates, the stirring assembly is driven to stir the Chinese mugwort in the inner wall, so that the Chinese mugwort is heated more uniformly, the sweeping assembly can be started subsequently, then the sweeping assembly is driven to sweep the inner wall through the rotation of the rotating assembly, the heat conduction efficiency is effectively improved, and meanwhile, the Chinese mugwort in the inner wall is heated more uniformly; the extraction efficiency is further improved.

The present disclosure relates to methods of removing brominated contaminants from polystyrene waste and recovering the brominated contaminants. The present disclosure further relates to methods of recycling polystyrene waste, wherein the recycling comprises retention of brominated contaminants or removal of contaminants. The present disclosure also relates to use of monocyclic aromatic benzenic solvents in the removal and / or recovery of brominated contaminants from polystyrene waste and in the recycling of polystyrene waste. Moreover, the present disclosure relates to use of the recovered brominated contaminants in the manufacture of polystyrene products such as insulation.

Accordingly, in one aspect of the invention there is provided a method of manufacturing an ATP enriched plant based extract comprising:gathering a collection of plant material; saturating the collection of plant material in a solvent to generate a liquid extract; filtering the liquid extract to remove solid plant matter therefrom to form a filtered liquid extract; exposing the filtered liquid extract to UV light; reducing the filtered liquid extract to form a liquid concentrate; and cleaning the liquid concentrate to create an ATP enriched oil extract

The utility model relates to the field of waste residue recovery, and provides a polyaluminum chloride waste residue recovery device which comprises a first separation bin and a second separation bin, the device comprises a first separation bin and a second separation bin, the second separation bin is fixedly arranged on one side of the first separation bin, and supporting rods are fixedly arranged on the two sides of the inner wall of the second separation bin. Two sliding barrels are pushed to slide on the outer surface of a supporting rod respectively, two springs are extruded respectively, the two springs can generate opposite acting force when being extruded, when two second triangular blocks do not make contact with a first triangular block together, the two sliding barrels are pushed through the elastic force of the two springs, the separation box is further made to move, and therefore when a rotating rod rotates, the separation box is separated from the supporting rod. And the separation box transversely moves back and forth, so that solid residues and a solution can be rapidly separated when the polyaluminum chloride waste residues are recycled, and meanwhile, solid residue impurities are convenient to take.