62results about How to "Low residual oil rate" patented technology

The present invention provides a low temperature cold pressed method of a linseed oil, the main process includes: directly processing disposable press after cleaning, quenching and tempering the linseed raw material, the press oil yield is less than 80 DEG C. The wool oil refining process adopts drying method and physical absorption method, completely processing under the normal temperature. The preparing method wholly retains all kinds of nutritious components of the linseed oil, linseed protein, flaxseed gum and wood phenol components in the oil cake are not damaged, further developed and utilized. The oil cake after pressed is directly utilized as a food nutritious additive composition.

The invention relates to a production technology of fresh zanthoxylum oil and aims at the defects of deficient and incomplete squeezing caused by an existing method that the fresh bunge prickly ash and edible vegetable oil after being mixed are squeezed, high residual oil content of waste residues and larger labor intensity. By the optimized procedures of material selection, pulverized manufacture of fruit juice, mixing, filtration, colloid removal, waxing, deposits and trace moisture thereof, the invention improves the production efficiency, shortens the production procedure, enhances the daily yield, lowers the rate of waste materials, lowers the cost, is timesaving and laborsaving, has better mouth feel, is more scientific and reasonable, improves the quality and the storage stability of a product, reflects the diversity of the product, increases the selectivity for consumers and enlarges the application range of production raw materials.

The invention discloses a production method of cold-squeezed sacha inchi oil. The production method comprises the following steps: (1) shelling; (2) screening and grading: putting selected sacha inchi kernels into an ultrasonic container containing 35% of a honey water solution, carrying out ultrasonic treatment at a temperature of 30 DEG C and an ultrasonic power of 550W-600W for 1 minute, standing for 6-8 seconds, respectively taking out the kernels on a middle upper layer, a middle layer and a middle lower layer of the ultrasonic container, respectively putting the three types of the kernels into an ultrasonic container containing deionized water, carrying out ultrasonic treatment at a temperature of 25 DEG C and an ultrasonic power of 450W-500W for 5 minutes, respectively putting the kernels into an ultrasonic container containing magnetized water, carrying out ultrasonic treatment at a temperature of 25 DEG C and an ultrasonic power of 600W-650W for 5 minutes, and drying at 35 DEG C until the water content is lower than 10%; and (3) crushing and cold squeezing: respectively crushing the three types of the kernels, drying, squeezing oil, mixing oil, and removing impurities. According to the production method, the oil extraction rate of the cold-squeezed sacha inchi oil is remarkably increased.

The invention relates to an annular brazing filler metal cleaning method. The annular brazing filler metal cleaning method comprises the following steps of: (1) deoxidizing an annular brazing filler metal in an acid solution for 180-24 seconds; (2) rinsing for 30-60 seconds with water; (3) removing oil from the annular brazing filler metal with a metal cleaning agent aqueous solution with the mass percent concentration of 2-5% at the temperature of 40-60 DEG C; (4) rinsing for 30-60 seconds; (5) polishing by using a polishing agent containing acid with the mass percent concentration of 8-12% and a brightening agent with the mass percentage concentration of 0.5-1% for 180-240 seconds; (6) rinsing for 30-60 seconds; and (7) passivating a solution containing 0.3-0.8% of benzotriazole for 5-20 seconds. The invention also relates to an annular brazing filler metal cleaning device for realizing the method.

The invention discloses a method for preparing oil by a low aqueous enzymatic method and organic solvent extraction. The method comprises the following steps of: based on 100 Kg of oil plants, dissolving 0.5 to 3.0 Kg of complex enzyme which comprises cellulolytic enzyme, pectinase, protease, and flavourzyme in a ratio of 2 to 3 to 4 to 3 in 40 to 70L of buffer solution with the pH value of 5.0 to 7.0 to obtain enzyme solution; cleaning the oil plants and removing impurities, crushing and sieving, wherein the particle diameter is 40 to 80 meshes; spraying the enzyme solution onto the crushed oil plants, stirring uniformly, and reacting at the constant temperature of between 40 and 55 DEG C for 2 to 4 hours; placing the reacted materials in a drying oven at the temperature of between 40 and 65 DEG C and drying for 2 days; hardening and tempering the materials to ensure that the moisture content is kept to be 3+/-5 percent; and extracting the dried, hardened and tempered materials by anorganic solvent at the temperature of between 50 and 70 DEG C for 1 to 2 hours to obtain the extraction oil and egg oil material cakes. The method is high in oil yield, and the obtained oil and cake have high quality.

The invention discloses a grease decoloring agent, relates to a purification and adsorption material, and especially relates to the grease decoloring agent of aluminum-based hydrate composite materials and a preparation method thereof. The grease decoloring agent is characterized by being prepared by selecting two or more than two aluminum-based hydrates having the adsorption property, carrying out mixing homogenization and then adding an acidic modifying agent for modification and activation. The grease decoloring agent is a mixture of the aluminum-based hydrate composite materials. The materials have the advantages of less using amount, good decoloring effect, easy filtration and separation, small residual oil rate and the like; moreover, the decolorizing agent does not contaminate products; after medium temperature roasting after decolorization, the decolorizing agent can be used in a raw material of a high temperature coating layer material, thereby reducing the decoloring agent cost; and the grease decoloring agent fully meets the requirements of food-grade grease on indicators of the chromaticity and the impurity content, and is easy to popularize and apply.

The invention relates to a deoiling and degumming treatment method for waste bave. The method comprises the following steps of: A, deoiling and degumming treatment, namely, adding a leaching solution which is a isopropyl alcohol aqueous solution containing sodium carbonate or sodium silicate at a certain concentration to the waste bave, and reacting for 40 to 120 minutes under 70 to 100 DEG C, wherein the concentration of sodium carbonate or sodium silicate in the leaching solution is 3 to 6g/L, and the volume concentration of isopropyl alcohol is 20 to 70%, and the ratio of the mass of the waste bave to the volume of the leaching solution is 1g: 30 to 60mL; B, washing with water, namely, taking out the waste bave after the reaction is finished, and washing with water; C, drying, namely, drying the waste bave washed with water, wherein the waste bave is long silk waste or silk floss. The method has a good deoiling and degumming effect, is short in treatment time and low in temperature; after the deoiling and degumming, both the residual oil ratio and residual glum ratio of the long silk waste easily reach the national standard in which the residual glum ratio of refined waste silk is 3 to 7%, and the residual oil ratio is not more than 0.55%; moreover, the whiteness of the long silk waste is obviously improved; the residual oil ratio of the silk floss is far less than 1.5% of that as specified by the national standard, and the residual glum ratio is relatively small.

The invention belongs to the technical field of treatment of oil-containing sludge polluted by crude oil, and particularly relates to pretreatment liquid, application of the pretreatment liquid and a treatment method of heavy oil sludge. The pretreatment liquid containing the asphaltene dispersing agent and the non-polar solvent provided by the invention is used for pretreating the heavy oil sludge, asphaltene in the heavy oil sludge is a polar component, and the asphaltene dispersing agent has the effects of being combined with asphaltene and forming hydrogen bonds with heteroatoms such as S and N on the surface of asphaltene molecules, so that the self-aggregation of asphaltene in the heavy oil sludge can be prevented; the asphaltene and other substances can be easily stripped from the particle surface so as to disperse the asphaltene in the heavy oil sludge in the non-polar solvent for a long time, the severely cemented oil sludge is uniformly dispersed in the pretreatment liquid, most of the oil phase, especially the polar oil phase difficult to clean, is removed in the pretreatment stage, and the pretreated heavy oil sludge still has more residual oil; and further, residual oil on the surface of the solid is cleaned off by adopting thermochemical cleaning, so that the emission standard is reached.

The invention relates to an ultrasonic-assisted freezing and vacuum frying production process of edible fungi. The process is used for solving the problem that no relatively perfect pre-drying technique for the vacuum low-temperature frying of the edible fungi exists at present. The process disclosed by the invention comprises the following steps: (1) selecting edible fungus raw materials; (2) carrying out ultrasonic pre-drying at the ultrasonic frequency of 28kHz, at the ultrasonic power of 80-120W, under the vacuum pressure of 5-10kPa and at the temperature of 20-45 DEG C till the water content is 20-30%; (3) carrying out quick-freezing at the temperature of minus 50-minus 30 DEG C till the edible fungi are completely frozen; (4) carrying out vacuum frying for 5-20 minutes under the vacuum pressure of 0.1-5kPa and at the oil temperature of 80-90 DEG C; (5) carrying out vacuum deoiling under the vacuum pressure of 0.1-5kPa; (6) carrying out seasoning; (7) carrying out inert gas filling packaging to obtain finished products. The process disclosed by the invention is capable of stably maintaining the shape and the color of the fried edible fungi.

The present invention provides a treatment method for a grease adsorbed adsorbent, wherein a water-containing mobile phase is added to the grease adsorbed adsorbent. According to the present invention, on the base of the existing equipment, the residual grease in the adsorbent is reduced, and the post-treatment step is simplified so as to solve the technical problems of high equipment cost and complex post-treatment in the prior art; and after the treatment through the method of the present invention, the index of the grease desorbed from the adsorbent and the quality of the grease treated by the adsorbent are the same, and the residual grease in the treated adsorbent is low.

The invention discloses a puffed squeezing technology of rapeseeds. After an embryo flake preparing process to the rapeseeds, a puffing process without oil generated is carried out to the rapeseeds for enabling puffed particles to destroy cell walls of oil plants in a compulsory manner, thereby a purpose of gathering oil on surfaces of the oil plants is achieved. A drying process is carried out to remove moisture through a flat-plate dryer for enabling moisture content of the oil plants to be about 6%, and then a squeezing process is carried out. The leaching time during a subsequent leaching technology can be reduced since pre-squeezed cakes after being processed through the puffing process are in shapes of small particles and are very strong in penetrability; heat loss is very little since steam is directly contacted with oil plant embryos during the puffing process; a large amount of steam is saved since the operation time is short; and usage amount of steam is decreased since oil residue rate of cakes is reduced. Effects of improving oil extraction rate and saving energy are achieved.

The invention discloses a preparation method of strongly-fragrant rapeseed oil. The preparation method comprises the following steps: preparing and obtaining rapeseed materials, dividing the rapeseed materials into pressing rapeseed materials and back-pressing rapeseed materials; carrying out pressing treatment on the pressing rapeseed materials to obtain pressing rapeseed crude oil and pressed cakes; crushing the pressed cakes, mixing with the back-pressing rapeseed materials to obtain mixed rapeseed materials, and carrying out steaming and frying treatment on the mixed rapeseed materials to obtain steamed and fried rapeseed materials; carrying out back-pressing treatment on the steamed and fried rapeseed materials to obtain back-pressing rapeseed crude oil; and mixing the pressing rapeseed crude oil with the back-pressing rapeseed crude oil to obtain rapeseed crude oil to be refined, and carrying out hydrating treatment on the rapeseed crude oil to be refined to obtain finished aromatic rapeseed oil. The preparation method disclosed by the invention has the advantages that the process is simple, safe and reliable, fragrant substances in the prepared rapeseed oil cannot be lost due to excessive refining, and the fragrance is stronger and more lasting.

The invention discloses a method of a water-extraction-method ground sesame seed oil technology for adding water to extract oil. The method comprises the six steps of (1) screening of a raw material,(2) rinsing of the raw material, (3) stir-frying, (4) blowing off of smoke, (5) grinding, and (6) water adding and stirring: adding hot water into slurry oil obtained through grinding at a low constant speed at once, and completing a high-speed stirring stage, a medium-speed stirring stage, a low-speed stirring stage and an oscillating oil extraction state through a stirring effect of a stirring blade. The method of the water-extraction-method ground sesame seed oil technology for adding the water to extract the oil is used for producing the ground sesame seed oil through a water extraction method.

The invention provides a preparation method for peony seed oil, and belongs to the technical field of edible oil processing. The method comprises the following steps: 1), shelling and crushing penoy seeds to obtain peony seed kernel powder; 2), mixing the peony seed kernel powder in step 1) and an enzyme preparation aqueous solution for enzymolysis to obtain an enzymolysis solution; 3), drying andpressing the enzymolysis solution in the step 2) to obtain the peony seed oil; the enzyme preparation in the step 2) comprises one or more of cellulase, neutral protease, alkaline protease and alpha-amylase, pectinase and hemicellulase; the pressing temperature in the step 3) is 50-80 DEG C. The method has the advantages of high pressing efficiency, high oil yield and low residual oil rate of seed meal.

The invention discloses camellia oil and a processing process thereof. The processing process comprises the following steps: a, firstly, performing camellia seed collection and storage treatment on araw material; b, after the step a is completed, pretreating the raw material; c, after the step b is completed, treating with a cold pressing machine; d, after the step c is completed, performing oil-residue separation through plate frame filtration; e, after the step d is completed, performing secondary extraction on oil cakes; f, after the step e is completed, processing pressed crude camellia oil through alkali refining. On the basis of cold pressing, food additives are added, so that the stability, the anti-oxidation effect and the thermal stability of oil can be improved; secondly, a leaching method is implemented, since oil cells are not completely damaged in a pretreatment process, and albuminous degeneration is not very thoroughly achieved, barrel pressure is not very large, and the oil residue rate of pressed cakes is relatively high, an effect of extracting oil from oil cakes twice can be achieved together with the leaching method, the oil residue rate is reduced, the oil extraction effect is improved, and convenience can be brought to popularization and application.

The invention discloses a method for extracting a soybean protein concentrate through high-temperature low-denaturing soybean meal, and belongs to the field of food processing. The problems of high cost, high energy consumption, low daily production capacity, low protein purity and poor nitrogen dissolving index existing in the production of the soybean protein concentrate in the prior art can be solved. According to the method disclosed by the invention, low-denaturing soybean meal produced by a high-temperature soybean meal production line is used as a raw material, and the production method comprises a production technology of producing the low-denaturing soybean meal through the high-temperature soybean meal production line, and an extraction technology of the soybean protein concentrate. The method disclosed by the invention is suitable for production of the soybean protein concentrate.