2594 results about "Oil and grease" patented technology

The present invention provides a method for producing a fatty acid ester inexpensively and efficiently by reacting a lipase or an intact mircroorganism containing a lipase, an oil and fat, and a linear lower alcohol in a system containing little or no solvent in the presence of water. The intact microorganism has not been treated with a solvent or the like, and is used as such, so that a fatty acid ester can be prepared in a simple manner. An oil and fat, a natural oil and fat such as a vegetable oil and fat, an animal oil and fat, as well as a waste oil thereof can be used. According to the method of the present invention, a reaction proceeds even in the presence of water, so that waste oils containing a large amount of water can be used as a raw material. Therefore, the waste oil to be dumped into the environment can be recycled, and a biodiesel fuel, which hardly pollutes the environment, can be provided at the same time.

The invention relates to a harmless disposal method of kitchen garbage, which comprises the following steps of: (1) pretreatment: after unloading the kitchen garbage, performing solid-liquid separation, rough crushing, crushing and sorting and performing magnetic separation, and recycling metal substances mixed in the kitchen garbage; (2) hydrothermal hydrolysis: after the pretreatment, adopting the hydrothermal hydrolysis to fully inactivate viruses and bacteria in the kitchen garbage, separating out animal and vegetable fatty oil from the kitchen garbage, and hydrolyzing organic materials at the same time; (3) using the fatty oil obtained in the step (2) as an industrial fatty oil material or further performing deep processing to obtain fatty acid methyl ester or biodiesel; mixing and proportioning the pasty organic materials and then conveying into an anaerobic fermentation system; and conveying large granular organic materials into an aerobic biological fermentation device. The method provided by the invention realizes harmless disposal of the kitchen garbage mainly by the pretreatment and the hydrothermal hydrolysis process, increases the conversion rate of biological energy of the kitchen garbage and increases the economic benefit of kitchen garbage recycling products.

The invention relates to a method for simultaneously extracting grease and proteins from microalgae, which takes wet algae mud as a raw material, adjusts the pH value to be alkaline or slightly alkaline, and performs wall breaking of microalgae cells and dissolution of the grease and the proteins through vapor. The method is as follows: dissolved microalgae slurry is filtered for removal of cell residue, and a mixture of the grease and the proteins is obtained; a hydrocyclone is utilized for oil-water separation, and microalgae grease is obtained; and a protein aqueous solution is subjected to nano-filtration, condensation, isoelectric precipitation and freeze drying or spray drying, and protein powder is obtained. The method utilizes the water-bearing microalgae cells as the raw material, saves the energy consumption for drying the algae cells, adopts a slightly alkaline or alkaline algae cell liquid to realize vapor wall breaking and simultaneous dissolution of the grease and the proteins, and has good wall breaking effect, high dissolution rate, low energy consumption and easily widened process. The method adopts vortex hydrocyclone separation to well solve the problem of difficult oil-water separation under the condition of low phase ratio and realize simultaneous extraction of the microalgae grease and the proteins. Moreover, the method has the advantages of simple process, economy, low energy consumption, and easy realization of industrialization.

A process for preparing biologic diesel oil from waste plant or animal oil includes alcoholysis and esterifying reactions under the existance of acidic catalyst, separating out the excessive non-product part to obtain coarse product, adding saturated equeous solution of edible salt containing sodium carbonate (10%), neutralizing reaction, adding industrial sodium carbonat4e, heating distillation and collecting the gas-phase fraction at 22-320 deg.C to obtain biologic diesel oil. Its advantages are high performance no pollution, and simple preparing process.

In an economical and efficient process and apparatus for producing biofuel from waste oil, such as vegetable oils and animal fats, waste oil is esterified with alcohols to produce alcohol esters and the by-products of the transesterification reaction are recovered. Static pressure may be used as well as continuous flow-through reaction vessels and separation tanks without the need for additional pumps. There may also be specialized reaction tanks that have vertical rotating feed tubes having separators and inlet and outlet openings. The method and device achieves efficient production of biofuel while employing reaction and mixing tanks having a limited size, which in turn permits a smaller plant layout or “footprint”. For example, the largest tank may be in a size of about 36/100,000 times the desired plant output in gallons per year. The benefits of the process and apparatus include minimal space for a plant; minimal on-site feedstock needed therefore minimal on-site storage is needed; minimal capital costs to build a plant e.g., reduction by about fifty to sixty five percent (50 to 65%); reduction in construction time from typically over one year to under three months in many plants; minimal energy usage, e.g., reduction by about sixty percent (60%); minimal labor costs due to the automatic continuous flow; minimal pumps needed thereby reducing pump operation and maintenance costs; environmentally friendlier and safer plant design; and due to smaller plant footprint, lower capital cost and minimal construction time enables site selection much nearer to the raw material supplies, thereby minimizing or even eliminating transportation costs for yellow grease or vegetable oil.

A composite fabric comprising a necked and creped spunbond nonwoven web of monocomponent fibers hydraulically entangled with a fibrous component that comprises cellulosic fibers. The nonwoven web contains thermoplastic fibers and the fibrous component comprises greater than about 50% by weight of the fabric.

The invention relates to high-content medium chain triglyceride powdered oil which is characterized by being prepared from the following raw materials in percentage by weight: 50%-80% of medium chain triglyceride, 10%-30% of grape syrup, 5%-26% of modified starch and the balance of auxiliary agents. The high-content medium chain triglyceride powdered oil disclosed by the invention is obtained by carrying out mirco-encapsulated embedding on medium chain triglyceride and achieving an oil powdered effect by adopting advanced process technologies, namely high-pressure homogenized emulsification, spray drying and the like, through formula design and process optimization, achieves the oil content as high as 80% and the oil embedding rate more than 98%, and has the advantages of good solubility and stability and convenience for transportation and storage. The product can be applied to multiple foods and health-care foods and is used for enhancing the nutrition value of the foods, improving the tissue structures, appearance quality and palatability of the foods and prolonging the quality guarantee period of a product.

A disclosed multifunctional kitchen waste integrated processor comprises a rack, a dewatering smashing molding device disposed at the upper part of the rack, a drying disinfection device and an oil-water separation device both disposed on the rack; the drying disinfection device (5) and the oil-water separation device are both connected with the dewatering smashing molding device; a material recovery tank is disposed under the drying disinfection device; and an oil sump tank and a waste-water purifying groove are disposed under the oil-water separation device. The beneficial effects of the integrated processor comprise: kitchen waste enters into the dewatering smashing molding device through a feed hopper, and is subjected to dewatering, smashing and molding, drying and disinfection; and an oil-water mixture is separated into oil and waste water through the oil-water separation device; and the whole process is automatically controlled by an operating system, and the integrated processor is convenient to use and labor-saving. The integrated processor helps to effectively change operation conditions of waste classified processing, and is capable of recovering the processed solid residue and oil for resource utilization, and is good in practicality.

The invention relates to a physical method for preparing vegetable oil. The method comprises the following process steps of: cleaning, remote infrared vacuum pre-tempering, microwave puffing, tempering, pressing, puffing, high-pressure fluid extraction, fixed bed adsorption refining, continuous vacuum dehydration and finally micro-filtering. The remote infrared vacuum pre-tempering and microwave puffing pre-processing method is fast and high-efficient and is suitable for industrial production. Press cake puffing and high-pressure fluid extraction are combined so that the problem of oil extraction of cold-pressing cakes is effectively solved, and meanwhile residual oil of the cold-pressing cakes is effectively reduced. The fixed bed adsorption refining method is simply and conveniently operated and has the advantages of short cycle, low energy consumption, low oil refining loss, high grease quality and the like. The whole process has the advantages of simplicity and convenience in operation, no solvent residue, low energy consumption, small neutral oil loss, high product quality and the like, an environment-friendly effect is achieved, and the method can be widely suitable for different kinds of oil.

The invention relates to a cold pressing and physical refining process of camellia oil. The cold pressing and physical refining process of the camellia oil is characterized by comprising the following steps of: (1) selecting ripe camellia seeds and drying the ripe camellia seeds by microwave vacuum until the water content is 3-6%; and conveying the dried camellia seeds into a huller to be hulled;(2) carrying out cold pressing on the hulled camellia seeds to squeeze the camellia oil, wherein the temperature of a barrel is in a range of 100-150 DEG C and an oil output temperature is in a rangeof 80-120 DEG C; (3) removing solid impurities in the squeezed camellia oil through a plate and frame filter press; (4) winterizing the camellia oil filtered by the plate and frame filter press at a temperature in a range from below 5 DEG C to 5 DEG C; (5) carrying out molecular distillation on the winterized camellia oil to remove free fatty acid, oil peroxide products, moisture and other low-boiling-point substances from the camellia oil; and (6) taking a mixture of carclazyte, active carbon and aluminum oxide as a filtering medium to filter; and removing impurities and pigments of the camellia oil treated by the molecular distillation to obtain the finished product. The cold pressing and physical refining process of the camellia oil has the advantages of environmental friendliness, high oil yield, and high retention ratio of micronutrients in finished oil.

The invention discloses a biological diesel preparing method of fat fermented by microbe in the biological energy and biological catalytic technological domain, which comprises the following steps: grafting yeast microbe in the fat-producing bacterial culture medium; centrifuging; separating; extracting to obtain the fat; esterifying under catalyst to obtain biological diesel and glycerine as by-product.

The invention discloses a method by catalyzing and hydrogenating animal and vegetable oil to produce high-quality diesel. Animal and vegetable oil is subjected to hydrodeoxygenation and olefin saturation reaction with the existence of hydrogen and catalyst, gas and generated water are separated from effluents of hydrogenation reaction, gas, diesel fraction and incompletely-converted fraction are obtained by distilling the liquid, the incompletely-converted fraction is circulated back to a hydrogenation treatment reactor, the diesel fraction enters a hydrogenation modified reactor after being mixed with an optional modified raw material to be subjected to the modified reaction with the existence of hydrogen and modified catalyst, and gas products, naphtha and diesel fraction are obtained through the separation and distilling. Compared with the prior art, the hydrogenation reaction, hydrogenation modified reaction and/or pour point depression reaction of the animal and vegetable oil can be carried out under a relatively tempered technique condition, and the method has the advantages such as wide range of raw materials, high quality of products, high yield of diesel and fewer byproducts.

The invention relates to a method for preparing grease and protein from oil seed kernels by an aqueous enzymatic method and belongs to the technical field of the application of the biotechnology to the grain and oil food processing. The method for preparing grease and protein from the oil seed kernels by the aqueous enzymatic method is characterized by comprising the following steps of 1) oil preparation through squeezing; 2) crushing; and 3) enzymolysis and drying: water and complex enzyme are added into treated squeezed cakes, the pH is regulated to the pH value and the temperature applicable to carbohydrase, and the enzymolysis is carried out for 15 to 90 minutes; the pH is regulated to the pH value and the temperature applicable to the protease, and the enzymolysis is carried out for 15 to 90 minutes; the pH is regulated to 9.0 after the enzyme reaction, and the stirring alkali extraction is carried out for 10 to 60 minutes at room temperature; boiled oil and protein water solution are separated through centrifugation; and the boiled oil is subjected to vacuum drying at 100 to 120 DEG C, grease products are obtained, the protein water solution is subjected to spraying drying, and plant protein is obtained. The method has the characteristics of high oil yield, low water consumption and low energy consumption, and the additional value of oil processing products can be improved.

A non-fluorocarbon oil and grease barrier packaging for storing materials, particularly products that need oil and grease resistant characteristics and are used in high temperature applications. The barrier packaging does not contain fluorocarbons, which improves the environmental rating of the oil and grease barrier packaging. The packaging is made by applying a starch based coating having a solids content in a range about 10% to about 35% to a substrate and forming the package from the substrate. The starch based coating preferably contains a starch derivative, a flexibility enhancing agent, a rheological agent, and a scorch resistant agent. When the package is heated, no fluorocarbons are emitted as result of heating the package.

The invention relates to a full-biomass resource utilization method for kitchen waste. The method comprises the following steps: sorting kitchen waste and then performing solid-liquid separation, performing oil-water separation on the liquid phase, grinding the solid phase and then producing fuel ethanol by complex enzyme preparation and multi-step hydrolysis, producing protein feeds from the solid residues and yeast after production purification, and performing transesterification on the separated waste oil to produce bio-diesel oil. The invention has the advantages that different components in the kitchen waste are transformed with high efficiency respectively by utilizing the process integration technology to produce fuel ethanol, bio-diesel oil, protein feeds and other products with high value added, so that the cost of kitchen waste treatment is reduced, and the economic benefits are improved; the operation process is mild, the energy consumption is reduced, and the process flow is environment-friendly; and the kitchen waste is turned into treasure, and the comprehensive waste reduction, resource and energy utilization can be achieved.

The invention discloses a method of fabricating biofuel. The steps are as follies: (1). Put oil and fat and alcohol into the reaction kettle for easer interchange polymerization. (2). Distill monohydroxy-alcohol from the reaction mess. (3). Separate the mixed ester and progeny hydrate. (4). Distill the mixed ester and propeny hydrate separately, and get high purity fatty acid ester and high purity propeny hydrate. According to the method, the percentage conversion could be 100%.After certificating under vacuum, the purity of top fatty acid monoester could be above 99%. The method of this invention applied all kinds of refining oil and unrefining oil, and basically has no waste stock, waste water and waste gas. It is a green method for environment.

A process for using high molecular weight, anionic, hydrophilic polymers without formation of deleterious emulsions to facilitate flow in multiphase pipelines containing both oil and water (e.g., oil/water, oil/water/gas, oil/water/solids, and oil/water/gas/solids) such as are used for oil or gas production, gathering, and transmission; hydrotransport of oilsand or heavy oil slurries is described. Specific examples of suitable drag reducing polymers include anionic, hydrophilic polyacrylamides having a molecular weight of greater than 1 megadalton.

The invention relates to the production technology used solid magnetism catalysis to make biological diesel oil. It mixes low carbon alcohol with animal and vegetable oils to do ester interchange reaction by catalyst at certain temperature. After it has finished, the upper layer is the coarse biological diesel oil; and the under is the mixture of glycerol and low carbon alcohol. The upper layer coarse product is purified at the following conditions: the mol ratio of the carbon alcohol and the animal and vegetable oils is 3-40:1; the catalyst is the solid magnetism; the ester interchange is at 40-100 centigrade degree for 1-5 hours; and the weight of the added catalyst are 1%-10% of the animal and vegetable oils. The solid magnetism catalysis contains Ni2O3, Co2O3, and Fe2O3. Thus, it can separate from the liquid state biological diesel oil well and reduce the pollution. And it can be used circularly and has no corrode for conversion unit.

The invention relates to a kitchen waste on-site treatment method which comprises the following steps of: (1) primary sorting of kitchen waste: when the kitchen waste is collected, sorting out hard waste such as plastic, metals, ceramic pieces, big bones and the like; (2) grinding and dehydration: feeding the kitchen waste after primary sorting into a grinding and dehydration system, separating out water and oil in the kitchen waste by a spiral extrusion draining system, feeding the water and oil into an oil-water separation system, grinding solid matters in the kitchen waste at the same time, and feeding the ground product into a fermentation treatment system; (3) medium and high-temperature fermentation treatment: conveying the solid matters extruded and ground in step (2) into a fermentation bin, treating for 15-25 days to end the fermentation, and discharging; and (4) oil-water separation: conveying the water and oil separated out from the kitchen waste into a waste liquid collection tank, and separating oil from wastewater under the effect of gravity. The method provided by the invention solves the problem of high energy consumption of a high-temperature technology, and realizes reduction, harmlessness and resource treatment of the kitchen waste.

The present invention provides a production process of maize germ oil, at the same time discloses a table oil made up by its product. It is characterized by that it makes the maize germ raw material oil undergo the processes of degumming, deacidification, water-washing, decolouring, dewaxing and deodorization so as to obtain the refined edible finished oil. According to the physicochemical properties and nutrient components of other plant oil said maize germ oil and other plant oil can be made into the table oil using maize germ oil as main component. The described plant oil can be one of rice oil, carthamus oil, walnut oil, scabish oil, pine seed oil, sesame oil, peanut oil, wheat-germ oil, sunflower oil and soybean oil or their mixture.

The invention provides a method for purely physically preparing camellia oil at a low temperature. The method comprises the following steps of: 1, drying; 2, shelling; 3, squeezing to obtain crude oil; 4, filtering the crude oil to obtain camellia oil; 5, washing the camellia oil by using two steps; 6, deodorizing the washed camellia oil; 7, drying and cooling; 8, growing crystal at the low temperature; and 9, performing precision filtration. The method for purely physically preparing the camellia oil at the low temperature in the whole process has the following advantages that: purely physical processes are adopted in the whole process, and chemical substances are not added; all the treatment processes are performed at the temperature of less than 100 DEG C, so that harmful substances brought by high-temperature operation and damage to nutritional substances in grease are effectively avoided; and the method is compact in steps and easy to operate, improves the production-sale ratio and reduces the production cost.

The present invention provides a grease composition capable of effectively preventing a rolling surface of a bearing from having hydrogen brittleness-caused peeling, a grease-enclosed bearing in which the grease composition is enclosed, and a rotation-transmitting apparatus with a built-in one-way clutch in which the grease composition is enclosed at a sliding portion. The grease composition contains a base grease consisting of a base oil and a thickener; and an additive added to the base grease. The grease composition prevents a frictional wear surface of the sliding portion or a newly generated surface consisting of iron or the like exposed owing to wear from being peeled owing to hydrogen brittleness. The additive contains a bismuth-based additive or a magnesium-based additive. The bismuth-based additive consists of at least one of inorganic bismuth and organic bismuth not containing a sulfur component. The magnesium-based additive consists of at least one of inorganic magnesium and organic magnesium. The grease-enclosed bearing encloses the above-described grease composition.

The invention provides a method used for recovering waste clay which is produced by refining lubricant from refinery. The method is characterized in that a non-polar solvent, a polar solvent and a mixed solvent of the non-polar solvent and the polar solvent are used to extract the oil adsorbed in the waste clay; lubricant-based oil, colloid, asphaltene, aromatic hydrocarbon, and the like adsorbed in the waste clay can be completely extracted, so as to regenerate the performance of the clay, to repeatedly use the clay and to gain the non-ideal component of the lubricant base oil and the lubricant. The method is also applicable to the waste clay which is produced by refining other oil clay from the refinery, and the regeneration of the waste clay which is produced by refining the grease in grease industry.

The invention discloses a kitchen waste and food waste treatment process and a kitchen waste and food waste treatment system. The process comprises steps as follows: mixtures of kitchen waste and food waste are sorted by an automatic sorting table and put into a pre-treatment pulverizer for pulverizing; a liquid-phase mixture obtained through the automatic sorting table and an oil-water mixture separated from the pulverizer enter oil-water separating equipment for oil-water separation; a water phase separated from the oil-water separating equipment is filtered and is discharged as life irrigating water finally; an oil phase enters biological separating equipment for biological separation, and biological oil is prepared finally. The kitchen waste and the food waste pulverized by the pre-treatment pulverizer are taken as nutrition sources and are put into a polypide cultivation production line for saprophagous polypide cultivation, adult polypides enter a dryer for drying treatment and are processed and produced into feedstuff for poultry, fish and the like, polypide waste and residues are degraded, a part of a degraded material is used for generating electricity in a biomass fuel mode, and the other part is packed and transported outwards in an organic fertilizer mode for use.

The invention relates to a method for preparing biodiesel by mixing waste edible oil with mineral diesel oil and hydrogenization. The method comprises the steps as follows: pretreatment of waste edible oil, a first stage of hydrogenization process, a second stage of hydrogenization process, and a product fractionation process. The method adopts the waste edible oil and the mineral diesel oil as raw materials for preparing high-quality biodiesel and biological aviation kerosene components which have low polycyclic aromatic hydrocarbon contents, high cetane values, low sulfur contents and low nitrogen contents, effectively solves the problems of blockage of a catalyst bed caused by the settlement of metal and gelatine in the animal and vegetable hydrogenization process, influence on the activity of catalyst from H2O, CO2 and CO produced in reaction, sulfur supplement of a hydrogenization system, and influence on the service life of the catalyst caused by centralized release of reaction heat, can realize the continuous hydrogenization and industrial production of materials containing animal and vegetable oils, and has practical significance.

The invention relates to a refining method of rice bran oil, which adopts crude rice bran oil as raw oil. The rice bran oil is obtained through the procedures such as degumming, oil-foot separation, dewaxing, decoloration, high-temperature deacidification and deodorization, freezing and degreasing. The weaknesses of the traditional refining method that during the degumming, the neutral oil loss is large, partial neutral oil is neutralized by NaOH during the deacidification process and free-fatty acid process yield of the oil grease is reduced are overcame. A combination-type deacidification is adopted during the high-temperature deacidification process, and the acid value can be reduced to 3 through one-time physical deacidification. The utilization rate of the raw material and the product yield are improved, and the environmental pollution caused by the chemical refining can be greatly reduced. The deacidification process is free from the chemical reaction, so the loss of the oil grease is reduced, and the refining rate of the oil grease is improved. The consumption of the auxiliary raw materials and the labor can be reduced, and the price of the distilled fatty acid is better than that of the acidification oil; therefore, not only the production cost is reduced, but also the economic benefit is improved.

A wastewater separation system for separating an aqueous phase from an organic phase comprising oil, fat and/or grease in wastewater is disclosed. The wastewater may be collected from restaurant grease traps, as well as other food preparation facilities, schools, hospitals, processing plants and the like. A separator, such as a centrifugal separation device, comprises a wastewater inlet, an organic phase outlet for discharging low density liquid and solids and an aqueous phase outlet for discharging water and possibly other high density liquids and solids. The system can be portable and can be mounted on a vehicle for collection and treatment at various sites. Heat can be introduced to the system to accelerate the separation of the aqueous phase from the organic phase of the wastewater.

The hair washing and protecting composition of natural plant components is compounded with tea seed oil or tea cake powder in 75-96 weight portions and ginger powder in 1-30 weight portions as main components, as well as natural vegetable oil in 2-8 weight portions and yolk powder in 1-2 weight portions, with the natural vegetable oil being mint oil, lavender oil, olive oil or sesame oil. It may have different compounding ratio for fitting different hairs. The hair washing and protecting composition of the present invention has functions of eliminating oil and grease, eliminating scurf, stopping itching, improving blood circulation, protecting hair, restoring hair, and improving sleep quality.

Disclosed are an oil-water separation facility and a method for refuse waste-water of kitchens, which relate to the field of environment protection. The facility and method are composed of three portions which are respectively gravity oil slick, micro-airfloat oil skimming, thick granulating and the like in accordance with grease distribution shape and character of the refuse waste-water of kitchens, wherein the gravity oil removal section automatically excludes upper oil slick, emulsified oil, dispersed oil and the like float off via the micro-airfloat, thereby achieving separation of oil with smaller particles and water, after handling, oily wastewater left by the treatment of the above two sections further proceeds thick granulating process to lead micro-grease to assemble and form the grease with big particle diameter, then the grease with big particle diameter after floating upward is removed, thereby achieving being separated from water. The facility is capable of separating highly effectively the grease in sewage water, reducing organic loading of subsequent sewage water treatment, simultaneously the separated grease can be prepared into biological diesel fuels, soapstocks and the like, thereby improving resource recycling efficiency. The method has the advantages of feasible technique, cheapness and convenience, automation operation, which is not influenced by seasonal difference in temperature.

Biogenic silica is produced by combusting a biogenic source material such as rice hulls to give rich hull ash (RHA), and the combusted biogenic silica may be subsequently treated to improve the filtration or adsorption properties thereof e.g. by changing the surface charge, the surface tension, the surface area, the average pore size, the pore size distribution, particle size distribution, and/or the permeability thereof. Such biogenic silica is useful to remove a species, such as an impurity, from a fluid to purify the fluid and/or to recover the species therefrom. RHA may be used to remove species including organic, inorganic or microbial particulates, surfactants, metal ions, non-metallic anions, organic compounds, color bodies, odor-producing species, chlorinated compound, pigment, free fatty acids, phospholipids, peroxides, oil and/or grease different from the non-aqueous fluid, algae, bacteria, and combinations thereof.