258results about "Fatty acids production/refining" patented technology

A reactor system includes a reactor that treats a lipid feedstock using a metal oxide catalyst to produce a treated stream comprising a bio-oil. The reactor system includes a catalyst zone in which the metal oxide catalyst reacts with the lipid feedstock to produce the treated stream. The reactor system operates in a reaction mode, during which the lipid feedstock flows in a downward direction through the metal oxide catalyst to produce the treated stream. Alternately, the reactor also operates in a regeneration mode, during which coke is burned from the metal oxide catalyst thereby regenerating the metal oxide catalyst. In one aspect, a regeneration mode pressure is less than a reaction mode pressure within the reactor to fluidize the catalyst.

The invention discloses a system and a method for producing biological aviation kerosene by using waste oil and belongs to the technical field of biological aviation kerosene preparation. The method comprises the following steps: (1) the waste grease and a magnetic catalyst loaded with ionic liquid are mixed and enter a suspended bed pre-hydrogenation reactor for reaction to obtain a pre-hydrogenation product, a carrier in the magnetic catalyst loaded with the ionic liquid is Fe3O4 magnetic particles coated with a silicon dioxide layer, and the ionic liquid is molybdenum-based ionic liquid; (2) separating the pre-hydrogenation product to obtain a primary hydrogenation product; (3) performing hydrogenation upgrading on the primary hydrogenation product to obtain an upgraded intermediate product; (4) separating the upgrading intermediate product to obtain a secondary hydrogenation upgrading product; and (5) carrying out hydroisomerization reaction on the secondary hydrogenation upgrading product to obtain the biological aviation kerosene. According to the method, the magnetic catalyst loaded with the ionic liquid is adopted to catalyze the waste grease, recycling can be achieved under the action of a magnetic field, the catalytic stability is high, and industrial stable production can be achieved without supplementing the catalyst.

The invention discloses a method for efficiently preparing a fatty acid type anti-wear agent based on biodiesel, which comprises the following steps: freezing and crystallizing the raw material biodiesel, filtering, evaporating and dealcoholizing, carrying out enzyme hydrolysis, insulating and layering, and rectifying under reduced pressure to finally obtain the fatty acid type anti-wear agent. Wherein the fatty acid composition of the crude methyl ester can be directionally regulated and controlled through freezing crystallization and filtering processes; through the synergistic effect of enzyme hydrolysis reaction and high-vacuum rectification separation coupling, efficient production of the fatty acid anti-wear agent prepared from biodiesel is achieved, the production period is greatly shortened, and the product quality is improved. According to the technology disclosed by the invention, the high-quality fatty acid type anti-wear agent can be produced economically, greenly, efficiently and stably, and the acid value of the product is stabilized between 198-203mgKOH / g oil and meets the Q / SHCG 57-2017 standard. The method has the advantages of low raw material requirement, wide application range, high production efficiency, high product quality, reproducible and reusable catalyst and the like, and is suitable for industrial production.

A composition is described comprising a mixture of at least one cetylated fatty acid or a mixture of cetylated fatty acids and an antioxidant in reduced percentages by weight, and related methods for treatment of arthritis and of inflammatory joint and musculoskeletal pain. Furthermore a composition is described comprising a mixture of at least one cetylated fatty acid or a mixture of cetylated fatty acids and, optionally, an antioxidant, and related treatment methods for protecting the gastric mucosa and for regulating the blood glucose levels. Additionally, a method is described for preparing the at least one cetylated fatty acid or mixture of cetylated fatty acids and for preparing compositions comprising the cetylated fatty acids and the antioxidant.

The invention provides a preparation method and application of high alpha-linolenic acid, and relates to the technical field of medicines. Comprising the following steps: selecting purple perilla seeds, cleaning, drying, mechanically grinding in a protective atmosphere, and filtering to obtain purple perilla seed crude oil; carrying out degumming, deacidification, decoloration and dewaxing treatment on the crude perilla seed oil in a protective atmosphere to obtain primarily enriched crude alpha-linolenic acid oil; and respectively carrying out supercritical CO2 extraction, enzymatic molecular distillation and preparative chromatographic separation on the preliminarily enriched perilla seed oil to obtain the high alpha-linolenic acid. According to the method, purple perilla seeds are subjected to multi-stage treatment, extraction and refinement are performed layer by layer through three steps of supercritical CO2 extraction, enzymatic molecular distillation and preparative chromatographic separation, free fatty acid in purple perilla seed crude oil can be effectively removed, and alpha-linolenic acid is enriched to obtain high alpha-linolenic acid with the purity higher than 96%. The method is suitable for mass production in the medicine field.

The invention relates to the technical field of separation and purification, in particular to a method for recovering cis-15-tetracosenoic acid from an acer truncatum seed oil byproduct, which comprises the following steps: selecting the acer truncatum seed oil byproduct, crushing, sieving, washing, adding modified attapulgite and beta-cyclodextrin, stirring and adsorbing at constant temperature, and filtering; preparing the modified attapulgite; adding a KOH-EtOH solution containing lipase and polyethylene glycol into a pretreated product for refluxing, and adding a saturated saline solution for refluxing; standing and layering the reaction liquid, and extracting, acidifying, washing, drying and distilling an organic phase to obtain mixed fatty acid; and carrying out composite purification to obtain a pure cis-15-tetracosenoic acid product. According to the method, the purity and the extraction rate of the cis-15-tetracosenoic acid are remarkably improved, the oxidation, heat and storage stability of the product is enhanced, the color is improved, and the comprehensive application performance is better.

The application discloses an extraction method of functional fatty acid, which comprises the following steps: dissolving lanolin in an alcohol aqueous solution, adding an excess of strong alkali, and heating to perform saponification to obtain a saponification solution; adjusting the pH of the saponification solution to neutral or weak alkaline by using a strong acid aqueous solution; adding a calcium chloride alcohol aqueous solution to the saponification solution to obtain a calcium fatty acid precipitate, and washing the precipitate with an alcohol aqueous solution; taking the calcium fatty acid precipitate, adding water, and adjusting the pH to strong acidity, and performing acidification under the condition of ultrasonic heating; adding an extraction solvent to perform extraction and separation, removing the water phase, reserving the organic phase, removing the extraction solvent by rotary evaporation, and obtaining the functional fatty acid. The application uses an ultrasonic acidification method to improve the technology of extracting functional fatty acid in lanolin by calcium precipitation, significantly solves the problem of calcium fatty acid acidification difficulty in lanolin, greatly improves the yield and purity of the functional fatty acid, and shortens the production time of the functional fatty acid.

The present invention relates to light-colored corn wax oxides, to a process for their preparation, and to their use for agricultural or forestry purposes, as additives in plastic processing, in care products, in printing inks and / or in paints, and to saponified or esterified corn wax oxides prepared by saponification or esterification of the said corn wax oxides.

The present application belongs to the technical field of biological oil catalytic hydrogenation, and particularly relates to a bio-based oil-soluble molybdenum catalyst, a preparation method and application thereof. The preparation method of the bio-based oil-soluble molybdenum catalyst provided by the present application comprises: mixing a molybdenum source, a bio-based linear organic acid with a carbon atom number of 16 or more and an additive, heating and reacting, and separating to obtain the bio-based oil-soluble molybdenum catalyst; the additive is selected from at least one of tetrahydro naphthalene and decahydro naphthalene. The bio-based oil-soluble molybdenum catalyst green material obtained by the present application has optimal activity and high dispersibility when used, can realize more sufficient mixing with raw materials, forms nano high-dispersed molybdenum sulfide through sulfuration, and realizes high-efficiency hydrogenation refining of oil products through the joint action of hydrogen and sulfur, while reducing the sulfur, oxygen and metal residues in the product oil.

The invention relates to the production of a triglyceride with Palmitic acid (P) in the middle position (XPX). A first transesterification process is used to produce a vegetable fat composition rich in palmitic acid and said intermediate composition is then further processed to produce triglycerides having a high proportion of its palmitic acid in the middle position.

The present invention is directed to a method for acidulation of tall oil soap in an alcohol selected from methanol, ethanol and / or iso-propanol. In the method according to the present invention, a mixture comprising sodium salts of fatty acids and rosin acids and an alcohol selected from methanol, ethanol and / or iso-propanol is acidulated using carbon dioxide.

The present invention is directed to tall oil rosin in solid, crystalline form. The tall oil rosin according to the present invention has a very low color, i.e. it is essentially color-less. The present invention is also directed to a process for producing the tall oil rosin and to the use of the tall oil rosin according to the present invention.

A process for the preparation of fatty acid products for use in animal feed comprises the steps of: i) providing a palm fatty acid distillate; ii) fractionating the palm fatty acid distillate to form a first fraction and a second fraction; and iii) separating the first fraction from the second fraction; wherein the first fraction comprises palmitic acid (C16:0) in an amount greater than about 60 wt.% and wherein the second fraction comprises palmitic acid (C16:0) in an amount from about 20 wt.% to about 55 wt.%, the percentages being based on the total weight of C12 to C24 fatty acids present in the respective fractions.

The invention relates to the technical field of grease chemical industry, and discloses high-iodine oleic acid and a preparation method thereof.The preparation method comprises the steps that waste grease is pretreated; adding a polar modifier into supercritical CO2 to selectively extract oleic acid; adding a polar accelerant compound system into the supercritical system to carry out iodination reaction; refining and separating the product through pressure gradient; and establishing a circulating reiodination system, and returning medium and low iodination products to the iodination step for continuous reaction through a supercritical phase back-mixing technology and precise iodine source addition. According to the method, the oleic acid extraction selectivity coefficient is increased by 40-60% by introducing the polar modifier, the iodination reaction rate is increased by 50-80% through a polar accelerant compounding system, the total yield is increased to 75-85% from 60-70% through a circulating reiodination system, the product purity reaches 95-98%, high-value utilization of the waste grease is achieved, the production cost is greatly reduced by 40-60%, and the method is suitable for industrial production. No organic solvent is left, and the method is environment-friendly.

This invention relates to the field of nervonic acid preparation technology, specifically to a high-efficiency separation device for nervonic acid from garlic fruit oil based on molecular distillation technology. The device includes a molecular distillation apparatus, internally comprising, from top to bottom, a driver, a film scraping system, and a condensation system. The film scraping system includes a rotating shroud driven by the driver, a centrifugal disc located at the bottom of the rotating shroud, a pressure rod located inside the rotating shroud, and a transmission rod rotating at the bottom of the pressure rod and slidably inserted into the centrifugal disc. The centrifugal disc of this invention uses centrifugal force generated by high-speed rotation to evenly distribute the material onto the evaporation wall, forming an initial ultrathin film. Simultaneously, the scraper rotates accordingly, performing secondary scraping and homogenization of the initial liquid film. Utilizing the synergistic structure of centrifugal material distribution and mechanical scraping, the problem of uneven material distribution in traditional methods is solved at its source, and dynamic renewal of the evaporation interface is achieved, thereby improving heat and mass transfer efficiency.

The invention relates to a process for obtaining free fatty acid and / or free fatty acid ester, in which a liquid mixture containing the free fatty acid and / or the fatty acid ester is separated by contacting a vapour of the liquid mixture in a column of a distillation apparatus with condensate formed from the vapour running downward, wherein heat and mass transfer takes place between the vapour and the condensate on column internals. According to the invention, the column has at least 10 theoretical plates and the separation is conducted with a pressure drop between the top and bottom of the column Δp of ≥ 3.3 mbar. Appropriately, the liquid mixture, preferably produced from vegetable oil or from fish oil, contains polyunsaturated fatty acid, preferably omega-6 or omega-3 fatty acid and / or alkyl monoesters and / or glycerol monoesters. In one configuration of the invention, the column has at least 30, preferably at least 40, theoretical plates and the separation is conducted with a pressure drop Δp between 3.5 mbar and 6 mbar.

A method can include receiving an oxygenate sample, fractioning the oxygenate sample into one or more fractions, and separating the fractions (e.g. using FAME fractionation, FAEE fractionation, crystallization, solvent extraction, or other similar methods). The fractions can optionally be separated independently. The method can optionally include esterifying carboxylic acids separated from the fractions with glycerol and deodorizing the glycerides.

The utility model discloses a device for reducing the content of metal ions in biological heavy oil. An outlet of a treating agent mother liquor tank is connected to a head tank after passing through a delivery pump, the top of the tank is connected back to the treating agent mother liquor tank through a return pipe, the bottom of the tank is connected with a conical tank, a high-temperature steam heating jacket is arranged in the tank, and a water inlet valve is arranged at the top of the tank; the other path is divided into three paths after being connected with a discharge isolating valve, one path is connected with a circulating liquid tank, the other path is led to a waste liquid treatment workshop, the third path is divided into two paths, one path is connected back to the circulating liquid tank, the other path is divided into two paths after being connected with a circulating isolating valve, one path is connected to the circulating liquid tank after passing through a biological heavy oil feeding valve before treatment, and the other path is connected with a circulating pump; the circulating pump is divided into two paths, one path is connected to the top of the conical tank, the other path is connected with an inlet in the top of the flash # imgabs 0 # device, and an outlet in the bottom of the flash # imgabs 1 # device is sequentially connected with a flash discharge valve, a transition groove and a discharge pump and then is connected to a biological heavy oil finished product tank. The device solves the problem that the content of metal ions in the existing biological heavy oil obviously exceeds the standard.

A post-treatment process for crude biodiesel containing residual monoacylglycerol (MAG) and including contacting said crude biodiesel with a concentrated alkaline solution, double counter-current washing each followed by a phase separation and drying. The process is economical in chemicals and washing water.

The present invention provides a method of efficiently separating solid fat from polyunsaturated fatty acid grease. The method comprises adding a certain amount of inert material to the polyunsaturated fatty acid grease, and cooling crystallization, and then filtering through a filter to obtain clarified polyunsaturated fatty acid grease. Afterwards introducing hot gas through the filter to make solid fat adsorbed on a filter cake in the filter dissolved and then recycling it through a filter plate. Inert solid substances can be applied next time. The method of the present invention can be efficiently separated saturated and low-saturated fatty acids from polyunsaturated fatty acid grease. In the process, the winterization crystallization time is short, the crystallization is complete, the crystal separation is easy. It will not cause some solid fat melted and thus re-enter the filtrate due to long separation and blowing dry in conventional process. The yield of final product is high up to 89.8%-97.8%. After winterization, a lipid clarity of the polyunsaturated fatty acid grease is good, and no crystal precipitation would occur at 0°C for 5 hrs.

To provide an aromatherapy support method and support system that enables a therapist to fully fulfill his / her original role without placing a burden on the therapist. [Solution] The system includes the steps of: conducting an autonomic nervous system analysis on the client to determine whether the client belongs to a sympathetic dominant, parasympathetic dominant, or well-balanced type; determining the client's complaints; transmitting basic information including the determined client type and complaint information to a system server; selecting the most suitable essential oils in the system server based on search keywords created from the basic information imported; calculating the blend ratio of the selected essential oils; and displaying the calculated blend ratio information on the screen of the therapist terminal.

The invention relates to the technical field of fatty acid oil preparation, in particular to a high-quality fatty acid oil preparation device which comprises a reaction tank and a fixing support fixed outside the reaction tank, a stirring mechanism is arranged in the reaction tank, an air cylinder is arranged at the top of the fixing support, and a connecting plate is fixedly installed at the telescopic shaft end of the air cylinder. And an adjusting rod is fixedly installed at the bottom of the end, away from the air cylinder, of the connecting plate, and a first auxiliary mechanism and a second auxiliary mechanism are arranged at the bottom of the adjusting rod. The problem that the temperature of surrounding grease and an area far away from the stirring device form a remarkable temperature difference is solved, the stirring mechanism is prevented from interfering sedimentation of soybean oil colloid, and meanwhile, the situation that layered soybean oil is affected by mistaken starting of the stirring mechanism during standing is avoided.

The object of an aspect of the present invention is to provide a method for producing a long-chain fatty acid, the method making it possible to prevent a coloring component from being contained in the long-chain fatty acid and recover the long-chain fatty acid at a high yield. The above problem is solved by providing a method for producing a long-chain fatty acid, the method including the steps of: (a) with use of an enzyme, decomposing, into fatty acids, triglyceride contained in a raw vegetable oil which is derived from a vegetable-derived oil-containing waste; (b) removing, by distillation, a short-chain fatty acid contained in the raw vegetable oil which has been subjected to the step (a); and (c) recovering, by short-path distillation, a long-chain fatty acid contained in the raw vegetable oil which has been subjected to the step (b).

A method of producing hydrocarbons includes acidifying and extracting fatty acids from a feed solution that includes fatty acid salts using carbon dioxide (CO2); separating CO2 from the extracted fatty acids; recycling at least a portion of the separated CO2 to be used as the extractant; contacting at least a portion of the extracted fatty acids with a ketonization catalyst to produce ketones; contacting at least a portion of the ketones with a hydrodeoxygenation catalyst in the presence of hydrogen to produce n-paraffins. The n-paraffins may be subjected to hydrocarbon refining to produce hydrocarbons suitable for use as a sustainable aviation fuel, a sustainable diesel fuel, or a sustainable marine fuel.

The present invention relates to the use of a fluid lubricant base comprising at least one biosourced and biodegradable compound having formula (I) in order to lubricate devices and / or machines, such as wind turbines, wherein said at least one compound having formula (I) corresponds to formula (I) in which R1, R2 and R3 are, independently, linear or branched saturated hydrocarbon groups comprising at least 16 carbon atoms, at least one group among R1, R2 and R3 comprises, on the hydrocarbon chain thereof, at least one ester group O—CO—R4, where R4 is a linear or branched alkyl radical comprising from 1 to 10 carbon atoms, preferably from 1 to 6 carbon atoms. The lubricant base has an acid number, in mg KOH / g measured according to the standard ISO 6618, which ranges from 0 to 0.5. The present invention further relates to a method for manufacturing the lubricant base as defined above and to the lubricant base thus obtained.

This invention discloses an apparatus and method for reactive extrusion saponification of lanolin, belonging to the field of lanolin processing technology. The method for reactive extrusion saponification of lanolin includes the following steps: adding lanolin, calcium oxide or calcium hydroxide, and a phase transfer catalyst into a reaction vessel, heating to 40°C, and stirring to mix evenly as raw material; conveying the raw material to a screw reactive extruder at a uniform feeding speed; extruding the saponified material through a cylindrical die to a homogenizer, adding a low-grade alcohol solvent for extraction, separating the liquid and solid phases, and obtaining a lanolin alcohol extract containing cholesterol and calcium lanate solid. This invention uses calcium oxide or calcium hydroxide with a small amount of phase transfer catalyst to enhance the continuous saponification of lanolin through a reactive extrusion process, omitting the calcium chloride conversion step, generating no saline wastewater, using no organic solvents, shortening the reaction time, and is clean and efficient, suitable for industrial production.

The invention provides a phospholipid composition and an edible oil anhydrous degumming method. The phospholipid composition is separated from cakes or residues obtained by squeezing oil materials to prepare oil, the mass of phospholipid accounts for 70-100% of the total mass of the phospholipid composition, and the mass of phosphatidylcholine accounts for 25% or below of the total mass of the phospholipid composition. According to the degumming method, the phospholipid composition is used for degumming. By using the degumming method disclosed by the invention, the phosphorus content in the edible oil can be reduced, and the flavor is not influenced.