1585results about How to "Improve oil yield" patented technology

A dewaxing process for lowering the haze point of a bright stock which includes contacting a bright stock in the presence of added hydrogen gas with a Zeolite EU-1 catalyst in combination with a ZSM-48 and/or SSZ-32 catalyst.

The invention relates to a method for controlling the oil supply device of an automatic planetary transmission, comprising a main oil pump (HP), which is mechanically drivably connected to the drive shaft of an internal combustion engine (VM), and an auxiliary oil pump (ZP) that may be driven via a controllable electric motor, the automatic transmission (ATG) being part of a parallel hybrid powertrain of a motor vehicle having an input shaft (5), which may be connected via a separating clutch (K) to the drive shaft (2) of the internal combustion engine (VM) and is permanently drivably connected to the rotor (4) of an electric machine (EM).

In order to achieve an oil supply to the automatic transmission (ATG) as and when needed, it is provided that the current oil requirement (P_{HD<sub2>—</sub2>soll}) of the automatic transmission is determined as a function of at least one currently captured operating parameter, and that the delivery rate (P_ZP) of the auxiliary oil pump (ZP) is set, by a correspondingly actuation of the associated electric motor, in the combustion and combined driving mode below a minimum input speed of the main oil pump (HP) and in the electric driving mode to at least the total oil requirement, and at least in the combined driving mode above the minimum input speed of the main oil pump (HP) is set to at least the residual oil requirement exceeding the delivery rate (P_HP) of the main oil pump.

The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. The method comprises introducing a particulate heat carrier into an up-flow reactor, introducing the feedstock at a location above the entry of the particulate heat carrier, allowing the heavy hydrocarbon feedstock to interact with the heat carrier for a short time, separating the vapors of the product stream from the particulate heat carrier and liquid and byproduct solid matter, collecting a gaseous and liquid product mixture comprising a mixture of a light fraction and a heavy fraction from the product stream, and using a vacuum tower to separate the light fraction as a substantially bottomless product and the heavy fraction from the product mixture.

The invention discloses a method for producing low-temperature cold-pressed and refined tea seed oil, and belongs to the technical field of deep processing of agricultural products. The method for producing the cold-pressed and refined tea seed oil comprises the following main processes of: performing low-temperature storage on screened tea seeds, cleaning, grading, shelling, separating, drying, crushing, pressing at a low temperature, filtering, degumming, decolorizing, deodorizing, winterizing, and packing finished refined oil. By the new technology of low-temperature cold pressing and refining, overheating and excessive chemical treatment of the oil in the conventional processing are avoided, meanwhile, the residue of harmful substances produced in the conventional high-temperature processing is effectively reduced at the same time, the production cost is remarkably reduced, the purely natural property of the oil is kept, and physiological active substances in the oil are kept as much as possible. The tea oil produced by the method is light in color, low in acid value and peroxide value, low in phosphorus content, fragrant and rich in nutrition, and has a long storage period; and a feasible new path is provided for deep processing and utilization of the tea seed oil.

The invention relates to an extraction method of direct coal liquefaction residues and application of extracts. The extraction method comprises the following steps: a) adding coal liquefaction residue powder and a first extraction solvent to a stirred tank to undergo primary extraction; b) carrying out solid-liquid separation on the extracted mixture obtained in the step a) and recovering the first extraction solvent from the obtained liquid in a solvent recovery unit and recycling the first extraction solvent; c) obtaining extracts after recovering the first solvent and mixing the extracts with a second extraction solvent to undergo secondary extraction; d) carrying out solid-liquid separation on the extracted mixture obtained in the step c), obtaining heavy liquefied oil after recovering the second extraction solvent from the obtained liquid in the solvent recovery unit and then carrying out moderate hydrogenation on the heavy liquefied oil and other recycled solvents in a coal liquefaction solvent hydrogenation unit and using the product as the recycled solvent in the coal liquefaction process; and e) carrying out heat treatment on the asphaltic substances obtained in the step d) by heating and carbonizing to obtain mesophase asphalt and oils.

The invention relates to a method for extracting and refining paeonia rockii seed oil. The method comprises the following steps: collecting seeds, unshelling, baking and frying, carrying out screw press, filtering, deacidifying, degumming, drying, decoloring, deodorizing in vacuum, adding an antioxidant and filling. After solid impurities and residues obtained by the screw press are broken up, ethylacetate is added, then refluxing extraction is carried out, and a solvent is recovered so as to obtain the paeonia rockii seed oil for cosmetics. A two-step method is used for extracting the paeonia rockii seed oil, wherein in the first step: primary pressed oil used for eating is obtained by physical pressing, and the produced paeonia rockii seed oil has higher oil recovery rate and no residual solvents and can be securely eaten; in the second step, the ethyl acetate is adopted for extraction, and ingredients for antioxidation, inflammation resistance, sun block, and the like in the paeonia rockii seed oil can be extracted and used for producing the cosmetics. The invention not only improves the oil recovery rate of paeonia rockii seeds, but also ensures that the effective ingredients in the paeonia rockii seeds are sufficiently utilized.

The invention relates to an enzymatical extraction process of oil in tea seed oil kernel, which comprises the following steps: firstly, utilizing dried tea seed oil kernel to be raw material, immersing in water in high temperature after disintegrating, stirring in uniform speed under 70-100 DEG C, secondly, enzyme hydrolyzing, adding acid protease which is 0.02-1% dry weight of disintegration samples or mixed enzyme of acid protease/cellulose in 45-55 DEG C to stir in uniform speed, and enzymatic hydrolysis for 2-4 hours, thirdly, separation emulsion breaking processing, directly separating out primary free boiled oil after enzymolysis liquid is centrifuged, getting secondary free boiled oil through centrifuging after missible oil demulsifies, combining the primary free boiled oil and the secondary free boiled oil, and getting the total boiled oil. The invention has the advantages that first, the invention reduces the problem of emulsification, foaming and the like which are faced when a grinding method is utilized to destroy cell structures, second, the invention prevents various enzymes in cells from degrading oil, which has high oil extraction rate to a further disintegrated function to tea seed oil kernel cell, third, the invention increases the treatment to missible oil, which increases free boiled oil yield through demulsifying, centrifuging, stewing to layer and the other modes.

An oil shale rotary kiln dry distillation and circulating fluidized bed combustion process makes organic combination of a rotary kiln dry distillation with a circulating fluidized bed; oil shale particles are mixed with thermal-cycle ash from a circulating fluidized bed boiler and part of circulating fluidized bed boiler bottom ash, and then are sent into a rotary kiln for dry distillation to prepare shale oil and dry distillation coal gas; the dry distillation coal gas has a high calorific value; a part of the coal gas is used as recycle wind of a semicoke material recycle device, and enters the circulating fluidized bed boiler with oil shale semicoke particles for combustion, and the residual part is delivered into an internal combustion engine for combustion generation. The invention can increase shale oil and coal gas quality, reduce energy loss and environment pollution, and improve the comprehensive utilization degree.

The invention provides a method for preparing tea seed oil in a low-temperature cold pressing manner. The method comprises the following steps of cleaning tea seeds, removing shells and separating, milling oil at normal temperature, washing in water at low temperature, dehydrating under negative pressure, refining at low temperature, filtering for many times, winterizing and dewaxing. The method for preparing the tea seed oil in the low-temperature cold pressing manner, provided by the invention, has the advantages of simple process, low energy consumption and high oil yield; and the prepared tea seed oil has shallow color, high quality and comprehensive nutrition, and also keeps the original flavor of tea oil.

A method of and system for producing oil and valuable byproducts from grains, such as corn, in dry mills are disclosed. The method and system include dewater milling process after fermenting. Further, the method and system are able to produce oil without evaporating. Moreover, the method and system include one or more of the germ processing units, emulsion processing units, fiber processing units, high value protein producing units, and glycerol and inorganic salt producing units, such that high value byproducts are able to be generated.

The invention relates to rice bran oil preparing method. It includes the following steps: processing the rice bran by micro wave with 800W power, 60s, 60mm height of layer, 7.4% humidity after processing; using supercritical carbon dioxide to extract rice bran oil at 25-60 degree centigrade, 10MPa-40MPa pressure, 15L/h-90L/h rate of CO2 flow for 30-150min. The prepared rice bran oil will not be rancidity and resolved by lipase to increase its stability. The product is easy to store. The rice bran oil yield is 20-22%.

The invention provides a method for processing peony seed oil. The method provided by the invention comprises the following steps of: (a) refrigerating peony seeds at a low temperature in a range of minus 15-minus 2 DEG C for 30-60 days and then storing at a constant temperature for 10-20 days; (b) removing shells of peony fruits which are refrigerated at the low temperature and are stored at theconstant temperature and then removing impurities; and then frying at a temperature in a range of 110-125 DEG C; and (c) pressing the fried peony seeds to obtain the peony seed oil. According to the method provided by the invention, the oil yield of the processed peony seed oil reaches 20%.

The invention discloses a method for extracting blueberry seed oil by adopting an ultrasonic-assisted aqueous enzymatic method. The method for extracting the blueberry seed oil by adopting the ultrasonic-assisted aqueous enzymatic method comprises the following steps: carrying out breaking, pulverization and then enzymolysis treatment on blueberry seed taken as raw material, applying certain ultrasonic for assisting extraction in different stages, then carrying out enzyme deactivation and centrifugation, and taking a supernate, so that the blueberry seed oil is obtained. The method for extracting the blueberry seed oil is simple in operation, mild in conditions, high in oil yield, pollution-free, easy for refining, low in production cost and applicable to large-scale production.

The invention discloses a method for preparing camellia oil. The method is implemented by the following steps of: physically de-acidifying degummed crude tea seed oil from which impurities are removed to keep free fatty acid in the crude oil less than 0.4 percent, wherein peroxide and odoriferous substances in the crude oil, in particular the free fatty acid are removed in a physical de-acidifying process; performing alkaline refining and deacidification for ensuring the color and luster of physically de-acidified oil; adding sodium silicate and alkali into the oil in turn respectively; washing and standing the mixture; washing the mixture with water; drying the washed mixture; and de-coloring and deodorizing the dried mixture to obtain refined camellia oil. The method has the characteristics of low consumption of needed auxiliary materials, little waste water discharge, less produced soapstock, short deodorizing time and low production cost.

The invention provides a full-automatic squeezing method of camellia oil. The full-automatic squeezing method comprises the following production steps of baking, heaping, husking, steaming and frying, matching the dry humidity of tea kernel and squeezing, wherein the camellia seed does not directly contact with an open fire in a baking step; the temperature for baking the camellia seed is even; no burning smell is generated; the nutritional ingredients in the camellia seed are reserved; no benzo and a few of harmful substances are generated because of burning; a twisted tank with a moisture measurer, a drying pot for containing dried tea seed kernel and a wet material pot for containing the wet tea seed kernel are utilized to match the dry humidity of the tea kernel in the step of matching the dry humidity of the tea kernel; and the moisture measurer is utilized to measure the moisture, so that the work efficiency and effect can be better improved; and specialized technical personnel do not need to be provided. The full-automatic squeezing method of the camellia oil is easier to grasp the full-automatic squeezing mode; the camellia oil yield can be improved by 95%; 8-10 workers can be reduced in each day; and the camellia oil quality is improved by 60%.

The invention provides a microwave ultrasonic-assisted aqueous enzymatic method for extracting linseed oil. The method comprises the following steps: 1, screening linseed, and carrying out drying and pulverizing sequentially to obtain linseed powder; 2, uniformly mixing any one or more of cellulase, hemicellulase, pectolase and beta-glucanase with protease to obtain a complex enzyme; 3, adding deionized water, the linseed powder and the complex enzyme in a microwave ultrasonic wave combined type reaction kettle for enzymolysis to obtain an enzymatic hydrolysate; 4, performing solid-liquid separation to obtain the linseed oil. The method has the advantages of being high in oil content and extraction efficiency, so that a new effective way is provided for extraction of the linseed oil from the linseed.

The invention discloses a method for extracting tea seed oil by using an enzymatic hydrolysis method, which comprises the following steps of: airing, unshelling, husking and pulverizing tea seeds; carrying out enzymolysis on the tea seeds in the material-liquid ratios of 1:3 to 1:5 at the extraction temperature of 40-60 DEG C for 1-5h with the enzyme quantity of 40-600U under the pH natural condition; centrifugally layering; adding an organic solvent into centrifugal liquid and extracting; and rotating and evaporating to obtain an oil sample. By adopting the scheme, the method has the advantages of low temperature for equipment operation, low energy consumption, high purity of extracted oil, low content of phospholipid, low acid value and low peroxide value, shallow color, low BOD (Biochemical Oxygen Demand) and COD (Chemical Oxygen Demand) values, easiness of treatment and less pollution, and the oil yield ratio is up to 23.1 percent.

The invention discloses linseed kernel oil, which is extracted by pretreating and peeling linseed and taking linseed kernel as a raw material. A production method of the linseed kernel oil comprises the following steps: cleaning and drying linseed, separating peel and kernel; crushing, cooking the linseed kernel and squeezing out oil; and filtering and precipitating to obtain a finished product. The invention provides brand new edible oil. The processing technique of the product does not add any chemical reagent and is green and pollution-free, the product has no any chemical pollution, and the processing of the product is not subjected to high temperature, keeps alpha-linolenic acid in the linseed, and enables the content of the alpha-linolenic acid of the product to reach about 60 percent. The content of crude protein in byproduct, namely linseed kernel cake is improved by 10 percent compared with that of linseed cake and reaches about 43 percent, and the anti-nutritional factors are greatly reduced, widen the application of the linseed kernel cake and improve the additional value of processing. The product is novel, and the processing technology is mature, has high oil extraction rate and is easy to popularize.

The invention discloses a production technique of low-temperature pressed rapeseed oil, wherein rapeseeds are cleaned, subjected to impurity removal, subjected to wall breaking based on freezing treatment and then fried to 60-70% rape to contribute to the oil leaching, a pressing technique is utilized in the invention, and a specially treated adsorbent is used for decoloring. A technique of heating after freezing is utilized in the invention to facilitate the cell disruption of the rapeseeds so as to improve the oil extraction rate, and the oil extraction rate is 5-6% higher than that of a traditional pressing method; and the oil is extracted by the pressing technique in the invention, so that no pollution exists, the purity of the oil product is guaranteed, and the oil is all natural and meets the demands of green food.

The invention relates to a preparation method of a coal-oil slurry coprocessed by coal-oil hydrogenation, the coal-oil slurry and its coprocessing method. The preparation method of the coal-oil slurry comprises the following steps of: predispersing FeOOH in a nanometer dimension onto coprocessed coal dust in the presence of an iron-containing main catalyst precursor under the action of a dispersing aid, and mixing the coprocessed coal dust, a sulfur containing auxiliary agent and coprocessed oil to prepare the coal-oil slurry. During the coal-oil coprocessing process, FeOOH undergoes in-situ decomposition and sulfuration to generate a nascent active component. The coal-oil slurry and the coprocessing method have advantages of high conversion rate, high oil yield, small catalyst amount and the like.