1497results about "Fatty substance recovery" patented technology

The invention relates to a process for producing a new type of high-quality hydrocarbon base oil of biological origin. The process of the invention comprises ketonisation, hydrodeoxygenation, and isomerization steps. Fatty acids and / or fatty acid esters based on a biological raw material are preferably used as the feedstock.

In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.

Production of ester-based fuels such as biodiesel or jet fuel from renewable starting materials such as lignocellulosic material or algae is disclosed. Pulping and saccharification of the renewable starting materials produces carboxylic acids such as fatty acids or rosin acids, which are esterified via a gas sparged, slurry form of heterogeneous reactive distillation to yield ester-based fuels.

In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.

Methods of harvesting algae, and using algae as a biofuel, livestock feed, or food supplement are provided. The methods comprise contacting liquid algae suspensions with a filtration media. Depending upon the filtration media, the resulting algae and filtration media admixture is then utilized as a biofuel, livestock feed, food supplements, or for the extraction of algae oil. Admixtures comprising a combustible filtration media, such as coal, are particularly preferred. The methods are suitable for use with any algae species. Compositions for use as a biofuel, livestock feed, or food supplement are also provided. These compositions comprise an admixture of algae and a filtration media.

The invention relates to a centralized kitchen waste treatment method which comprises the following steps of: (A) sorting kitchen waste; (B) separating oil from water; (C) treating oil; (D) treating sewage; and (E) treating odor. Compared with a traditional kitchen waste burying method, by using the centralized kitchen waste treatment method, a great amount of soil is saved and an available methane resource is generated, kitchen waste reaches 100 percent of harmlessness, more than 95 percent of resource utilization and more than 95 percent of quantitative reduction, and the harmless treatmentof waste and the recycle of resources are truly realized.

A process for the production of biodiesel is disclosed. In a preferred embodiment, the process is based on the production of biodiesel using refinery soapstock where the process is performed in an alcoholic medium resulting in the insolubility of certain byproducts. Other valuable products can also be obtained from the process.

The invention discloses an efficient resourceful treatment method through separation and anaerobic fermentation for kitchen waste. The method includes the steps of firstly performing preliminary bag breaking and leachate collection on original kitchen waste, and removing chunks of miscellaneous and foreign materials; then performing breaking separation, high temperature sterilization, solid-liquid separation and the like; and then performing oil-water separation, hydrolytic sand removal, hydrolytic acidification, anaerobic fermentation and the like. The method has the advantages that not only harmless kitchen waste is achieved, but also extracted crude oil and produced biogas have high economic benefit simultaneously, and the impurity removal rate of the kitchen waste can reach above 90%.

A method is provided for the use of a chemical additive to improve the separation of oil from the process stream (whole stillage, thin stillage or syrup) generated as a byproduct in corn to ethanol production.

In an alcohol fermentation process, oil derived from biomass is chemically converted into an extractant available for in situ removal of a product alcohol such as butanol from a fermentation broth. The glycerides in the oil can be chemically converted into a reaction product, such as fatty acids, fatty alcohols, fatty amides, fatty acid methyl esters, fatty acid glycol esters, and hydroxylated triglycerides, and mixtures thereof, which forms a fermentation product extractant having a partition coefficient for a product alcohol greater than a partition coefficient of the oil of the biomass for the product alcohol. Oil derived from a feedstock of an alcohol fermentation process can be chemically converting into the fermentation product extractant. The oil can be separated from the feedstock prior to the feedstock being fed to a fermentation vessel, and the separated oil can be chemically converted to a fermentation product extractant, which can then contacted with a fermentation product comprising a product alcohol, whereby the product alcohol is separated from the fermentation product.

The present invention relates generally to corn dry-milling, and more specifically, to methods for producing a high protein corn meal from a whole stillage byproduct produced in a corn dry-milling process for making ethanol and a system therefore. In one embodiment, a method for producing a high protein corn meal from a whole stillage byproduct includes, in a corn dry-milling process for making ethanol, separating the whole stillage byproduct into an insoluble solids portion and a thin stillage portion. The thin stillage portion is separated into a protein portion and a water soluble solids portion. Next, the protein portion is dewatered then dried to define a high protein corn meal that includes at least 40 wt % protein on a dry basis.

A method of producing bio-fuels by causing an enzyme to act on the oils and fats in a waste clay to decompose them into a fatty acid which is then reacted with a lower alcohol to form an ester that can be used as a bio-fuel. An environment friendly bio-fuel is obtained from the starting waste clay through a decreased number of steps without requiring cumbersome operations.

In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.

An alcohol fermentation process and composition that includes production of alcohol esters by esterification of product alcohol in a fermentation medium with a carboxylic acid (e.g., fatty acid) and a catalyst (e.g., lipase) capable of esterifying the product alcohol, such as butanol, with the carboxylic acid to form the alcohol esters. The alcohol esters can be extracted from the fermentation medium, and the product alcohol recovered from the alcohol esters. The carboxylic acid can also serve as an extractant for removal of the alcohol esters from the fermentation medium.

There is disclosed a method for conversion of crude tall oil into high-quality diesel fuels comprising the steps of: (a) removal of non-oil contaminants present in the crude tall oil and recovering valuable organic compounds present in the crude tall oil, thereby forming a refined tall oil stream; (b) removal of the volatile fraction of the refined tall oil stream from step a), thereby forming a volatiles free oil stream comprising organic components with boiling points, at atmospheric pressure, of 170 degrees C. or higher; (c) separation in a vacuum distillation column of the volatiles free oil stream of step b) into two process streams or phases wherein a first process stream or phase is substantially comprising components with boiling points, at atmospheric pressure, in the range of 170-400 degrees C. and a second process stream or phase is substantially comprising components with boiling points, at atmospheric pressure, over 400 degrees C.; (d) lowering the oxygen content in the stream comprised of components with boiling points in the range 200-400 degrees C. from step c) by decarboxylation and / or decarbonylation.

A method of extracting oil from a byproduct stream of a bio-based ethanol production process and a organic composition resulting from the method is provided. The method includes applying an oil concentrator to a byproduct stream, mixing the oil concentrator with the byproduct stream, and separating the oil from the byproduct stream. An organic composition comprising oil derived from a byproduct stream of a bio-based ethanol production process and an oil concentrator is also provided.

Processes for recovering oil from thin stillage produced during a fractionation-based dry milling process. The thin stillage can be heated or heated in combination with centrifuging to separate and recover oil from the thin stillage. Optionally, the thin stillage may be concentrated prior to recovering the oil.

The invention discloses a comprehensive food waste treatment system and a treatment method thereof, belonging to the technical field of environmental governance. Solids are recovered from the food waste to prepare composite protein feed, synchronously oil is recovered to prepare industrial articles, such as soap powder, bio diesel, fuel oil, and the like and the food waste water is recovered to prepare fertilizers so as to realize the aim of comprehensively utilizing the food waste. The system of the invention has reasonable design, various subsystems are mutually independent and mutually communicated to form a production line for rapidly treating the food waste; and the food waste treatment method by utilizing the production line is simple, convenient and practical, has extremely high treatment capability, turns waste into valuables and greatly solves the problem of urban environmental pollution. The production line of the invention can be used for treating 10-500 t of food waste every day, i.e. about 40 percent of the refuse quantity of a large city like Wuhan, and every 100 T of food waste can produce 8-12 t of rough protein feed, 2-4 t of refined crude oil and 50-70 t of liquid fertilizers.

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 three-phase separation and waste water purification standard treatment device of kitchen waste including 'waste oil', solid waste and kitchen waste water. The three-phase separation and waste purification standard treatment device of the kitchen waste including the 'waste oil', the solid waste and the kitchen waste water is mainly composed of a shell body, a solid-liquid separation chamber, a filtering bag with meshes, a liquid level displayer, an oil-water interface detector, a numerical control electric valve which discharges the 'waste oil', a flowmeter of the 'waste oil', a collection tank of the 'waste oil', a blower, an air heating device, a filtering tank, a drug adding tank and the like. According to the three-phase separation and waste water purification standard treatment device of the kitchen waste including the 'waste oil', the solid waste and the kitchen waste water, oil and water separation and waste water purification are carried out in the same device, an equipment structure is simplified, the water quality after being purified is in line with each indicator of 'water quality standard of sewage discharged into the city sewer' (CJ3082-1999), The three-phase separation and waste purification standard treatment device of the kitchen waste including the 'waste oil', the solid waste and the kitchen waste water has the advantages that the size is small, the investment is low, either manual or automatic operation is available and the like, and obvious creativity, novelty and good industrial applicability are provided.

In an alcohol fermentation process, oil derived from biomass is hydrolyzed into an extractant available for in situ removal of a product alcohol such as butanol from a fermentation broth. The glycerides in the oil can be catalytically (e.g., enzymatically) hydrolyzed into free fatty acids, which form a fermentation product extractant having a partition coefficient for a product alcohol greater than a partition coefficient of the oil of the biomass for the product alcohol. Oil derived from a feedstock of an alcohol fermentation process can be hydrolyzed by contacting the feedstock including the oil with one or more enzymes whereby at least a portion of the oil is hydrolyzed into free fatty acids forming a fermentation product extractant, or the oil can be separated from the feedstock prior to the feedstock being fed to a fermentation vessel, and the separated oil can be contacted with the enzymes to form the fermentation product extractant. The fermentation product extractant can be contacted with a fermentation broth for in situ removal of a product alcohol.

The present invention relates to a method for producing fatty acid alkyl esters as well as cellulosic simplified sugars, shortened protein polymers, amino acids, or combination thereof resulting from the simultaneous esterification and hydrolysis, alcoholysis, or both of algae and other oil containing materials containing free fatty acids (FFA), glycerides, or combination thereof as well as polysaccharides, cellulose, hemicellulose, lignocellulose, protein polymers, or combination thereof in presences of an alcohol and an acid catalyst.

A method for processing of byproducts in an ethanol production process is provided. The method includes applying a mixture of a microorganism to a stillage stream, metabolizing gums in the stillage stream using the mixture to release oil in the gums carried by the stillage stream and recovering the oil. Methods of liberating or releasing bound oil present in stillage are also provided.

The present invention relates to a method for producing fatty acid alkyl esters as well as cellulosic simplified sugars, shortened protein polymers, amino acids, or combination thereof resulting from the simultaneous esterification and hydrolysis, alcoholysis, or both of algae and other oil containing materials containing phospholipids, free fatty acids (FFA), glycerides, or combination thereof as well as polysaccharides, cellulose, hemicellulose, lignocellulose, protein polymers, or combination thereof in the presence of an alcohol and an optional acid catalyst.

The invention discloses an industrialized treatment facility and method for catering wastes. The facility is composed of a filter, an oil-water separator, an oil sump, a sedimentation tank, a neutralization and deodorization tank, a storage tank, a tail gas absorption system, a waste water treatment system and a waste residue treatment system, wherein the filter and the oil-water separator are arranged in the oil sump, the oil sump, the sedimentation tank, the neutralization and deodorization tank and the storage tank are sequentially communicated; a waste water pump is arranged between the oil sump and the sedimentation tank, and a boiled oil pump is arranged between the sedimentation tank and the neutralization deodorization tank; and the tail gas absorption system is respectively communicated with the filter, the oil-water separator, the sedimentation tank and the neutralization and deodorization tank. The production process in the invention comprises six procedures of solid-residue separation, oil-water separation, neutralization and deodorization, tail gas purification, sewage treatment and waste residue treatment. In the invention, catering wastes are subjected to physical and chemical treatment under the close condition, and no waste gas, waste residue or waste water is discharged; separation, deodorization, decolourization and other technologies are utilized to separate waste oil from the catering wastes, and the waste oil is used for producing industrial production raw materials of biodiesel, lubricating grease and the like; and 'three wastes' produced in the production process are recycled by adopting chemical and physical methods, thus biomass fuel, reuse water for life and purified air are obtained. The invention thoroughly avoids secondary pollution in waste oil refining and separating process and realizes recycling of waste water, waste gas and waste residue.

A method and system for bio-oil recovery from biomass are provided which includes adding at least one separation aid to stillage that contains oil to form a treated stillage prior to centrifuging the stillage, and centrifuging the treated stillage in at least one centrifuge to separate at least a portion of the oil from the treated stillage. The separation aid can contain at least one lecithin and at least one oil and optionally at least one surfactant having an HLB value of at least 6. Treated stillage products are also provided which can contain the indicated separation aid and recovered oil.

The invention relates to tall oil fatty acid compositions having low sulfur content, as well as methods of using and making the same.