Abstract: A method for purifying low-quality glyceridic material usually unfit for use as feed or food includes a thermal treatment of the low-quality glyceridic material and subsequent chemical treatments. Alkali containing compounds, such as soaps, and glycerol, can be added to the low-quality glyceridic prior to its thermal treatment.

Abstract: Process including the solvent crystallization of edible fatty material into a crystal slurry containing at least solid crystallized stearin dispersed into a solution composed solvent and olein, and further including the separation of the stearin from the solution by applying centrifugal forces onto the crystals slurry.

Abstract: A process for the treatment of oily hazardous solid materials such as for example spent bleaching earths. The process allows a safe and economical recovery of typically about 85% to 95% of the residual oil contained in such oily hazardous solid materials and transforms those ones into inert materials safe to transport, store, dispose of, or even makes them valuable for some applications. The process includes the production of a transportation slurry and at least one extraction slurry. The at least one extraction slurry is separated in at least one centrifuge decanter.

Abstract: A method for processing a flowable product using a centrifuge includes pretreating the flowable product so that particles in the flowable product are increasingly attracted by electrically charged components, feeding the flowable product into the disc stack, generating an electric charge on the discs of the disc stack, and separating the charged particles from the flowable product within the disc stack under the influence of electrostatic attractive forces and a centrifugal field.

Abstract: The invention describes an apparatus for the desolventisation and toasting or an apparatus for the combined desolventisation, toasting, drying and cooling of a spent material, i.e., a solvent extraction residue obtained from the solvent extraction of oleaginous material. In particular, the invention describes desolventiser toaster or combined desolventiser toaster dryer cooler of improved design equipped with a side vapours outlet and optionally combined with at least one sieve stripping tray to allow nearly the full saturation of the outgoing vapours with hexane.

Abstract: A semi-continuous deodorizer providing a first main vessel, and a second vessel, wherein the second vessel is connected to the first main vessel by a duct for the transport of gases and vapors, the second vessel being connected to a vacuum system, wherein both the first main vessel and the second vessel are made of stainless steel and built hermetically.

Abstract: A vegetable oil physical refining process able to mitigate the occurrence of glycidyl esters (GE) including at least a deodorization step followed by a stripping step, wherein, the deodorization step includes contacting said vegetable oil with steam at a pressure above 5 mbara, during at least 10 minutes at a temperature of at least 230° C., and wherein the stripping step includes stripping the oil resulting from the deodorization step at a pressure below 5 mbara and at a temperature not exceeding 280° C. The process does not compromise the heat bleaching and the full removal of unwanted colours, taste and smell from the physically refined edible oil.

Abstract: A vegetable oil physical refining process able to mitigate the occurrence of glycidyl esters (GE) including at least a deodorization step followed by a stripping step, wherein, the deodorization step includes contacting said vegetable oil with steam at a pressure above 5 mbara, during at least 10 minutes at a temperature of at least 230° C., and wherein the stripping step includes stripping the oil resulting from the deodorization step at a pressure below 5 mbara and at a temperature not exceeding 280° C. The process does not compromise the heat bleaching and the full removal of unwanted colours, taste and smell from the physically refined edible oil.

Abstract: A vegetable oil physical refining process able to mitigate the occurrence of glycidyl esters (GE) including at least a deodorization step followed by a stripping step, wherein, the deodorization step includes contacting said vegetable oil with steam at a pressure above 5 mbara, during at least 10 minutes at a temperature of at least 230° C., and wherein the stripping step includes stripping the oil resulting from the deodorization step at a pressure below 5 mbara and at a temperature not exceeding 280° C. The process does not compromise the heat bleaching and the full removal of unwanted colours, taste and smell from the physically refined edible oil.

Abstract: This invention relates to a process for the continuous production of vegetal protein concentrates by removing the soluble carbohydrates by an aqueous alcohol from a defatted vegetable material said process requiring no frequent production interruptions for cleaning operations. The innovative process includes the steps of removing at least a fraction of the soluble carbohydrates by solvent extraction, the solvent being aqueous alcohol, to obtain a solvent wet protein rich vegetable material and a miscella; removing the aqueous alcohol form the solvent wet protein rich vegetable material to obtain a vegetable protein concentrate; wherein the solvent extraction takes place in a moving screen solvent extractor equipped with a cleaning means of the moving screen on its return journey and for which no plugging takes place for extended period of time.

Abstract: A process for the combined degumming and neutralization of an oil containing phosphatides and FFA, the process comprising: dosing an aqueous degumming reactant into the oil to form a mixture; introducing the mixture into a first set of flow-through hydrodynamic cavitation reactors to form at the exit of the first set of flow-through hydrodynamic cavitation reactors a mixture; dosing, at the exit of the first set of flow-through hydrodynamic cavitation reactors an aqueous caustic solution into the oil to form a mixture of aqueous caustic dispersed into the oil; introducing the mixture of an aqueous caustic dispersed into the oil into a second set of flow-through hydrodynamic cavitation reactors to form a mixture of oil containing hydrated phosphatides and neutralized FFA (soaps); and separating the mixture of oil containing hydrated phosphatides and soaps to obtain an oil phase and an aqueous phase.

Abstract: A semi-continuous deodorizer providing a first main vessel, and a second vessel, wherein the second vessel is connected to the first main vessel by a duct for the transport of gases and vapors, the second vessel being connected to a vacuum system, wherein both the first main vessel and the second vessel are made of stainless steel and built hermetically.

Abstract: A process for the combined degumming and neutralization of an oil containing phosphatides and FFA, the process comprising: dosing an aqueous degumming reactant into the oil to form a mixture; introducing the mixture into a first set of flow-through hydrodynamic cavitation reactors to form at the exit of the first set of flow-through hydrodynamic cavitation reactors a mixture; dosing, at the exit of the first set of flow-through hydrodynamic cavitation reactors an aqueous caustic solution into the oil to form a mixture of aqueous caustic dispersed into the oil; introducing the mixture of an aqueous caustic dispersed into the oil into a second set of flow-through hydrodynamic cavitation reactors to form a mixture of oil containing hydrated phosphatides and neutralized FFA (soaps); and separating the mixture of oil containing hydrated phosphatides and soaps to obtain an oil phase and an aqueous phase.

Abstract: The present invention relates to an apparatus and a process for subjecting oleaginous vegetable material to a continuous prepressing for extracting at least part of the oil contained in said oleaginous vegetable material and producing a cake comprising an at least partially de-oiled oleaginous vegetable material. The apparatus comprises a mechanical prepress for mechanically compressing said oleaginous vegetable material, wherein the prepress is provided with a cake discharge for discharging the cake to a cooler. The cooler comprising means for subjecting the cake to a downward movement, and means for supplying a coolant gas, preferably air, in a counter-current flow to the downward movement of the cake with the purpose of cooling the cake.

Abstract: The invention describes an apparatus for the desolventisation and toasting or an apparatus for the combined desolventisation, toasting, drying and cooling of a spent material, i.e., a solvent extraction residue obtained from the solvent extraction of oleaginous material. In particular, the invention describes desolventiser toaster or combined desolventiser toaster dryer cooler of improved design equipped with a side vapours outlet and optionally combined with at least one sieve stripping tray to allow nearly the full saturation of the outgoing vapours with hexane.

Abstract: The invention relates to an apparatus for the treatment of spent material said treatment including the desolventisation and toasting of said spent material (DT) to yield desolventized spent material and/or the drying and cooling of said desolventized spent material (DC) to yield meal and/or their combination (DTDC), said apparatus being made of stacked trays supporting said spend material said apparatus being equipped with means to provide at least one fluid phase going through said spent material, wherein at least a portion of the said at least one fluid phase is pulsed through said spent material.

Abstract: A rotatable basket extractor for use in extracting oil from oleaginous feed material is disclosed. The extractor includes a rotatable rotor that includes a plurality of baskets extending radially outward from a central shaft, and the baskets receive and transport the oleaginous feed material while a motor rotates the baskets between a feed inlet and a feed outlet. The rotor is located within a housing and positioned above a screen through which miscella that drains from the feed material passes. The miscella is collected in a trough located below the screen and is sprayed onto the feed material bed positioned within the baskets in a counter-current manner. A suction device pulls vapor down between the particles of the feed material bed to decrease the drainage time of the miscella through the feed material.

Abstract: The present invention relates to an apparatus and a process for subjecting oleaginous vegetable material to a continuous prepressing for extracting at least part of the oil contained in said oleaginous vegetable material and producing a cake comprising an at least partially de-oiled oleaginous vegetable material. The apparatus comprises a mechanical prepress for mechanically compressing said oleaginous vegetable material, wherein the prepress is provided with a cake discharge for discharging the cake to a cooler. The cooler comprising means for subjecting the cake to a downward movement, and means for supplying a coolant gas, preferably air, in a counter-current flow to the downward movement of the cake with the purpose of cooling the cake.

Abstract: An improved desolventizer toaster and methods are provided wherein a solvent vapor recycle system may be employed to recycle solvent vapor throughout a portion of the desolventizer portion of the apparatus housing. In other embodiments of the invention, a water vapor recycle system may be employed to recycle water vapor throughout a portion of the toaster portion of the apparatus housing. The solvent vapor recycle system may comprise an appropriate meal dust separator, blower and superheater. The water vapor recycle system may comprise an appropriate ejector or blower and superheater. Water vapor recovered in the solvent extraction process may be used as a water vapor feed to the heated water vapor recycling system.

Abstract: A continuous process for the dry fractionation of edible oils and fats using one or more crystallisers in series, said process comprising the steps of: (a) providing a molten fat; (b) continuously feeding said molten oil or fat to the first of said one or more crystallisers in series in which the fat is gradually cooled by using heat exchangers containing a cooling medium so that a crystal slurry is formed, each of said one or more crystallisers exhibiting a temperature gradient, the temperature at the point where the molten or partially crystallised fat enters one of the crystallisers being higher than that at the point where the slurry leaves that crystalliser; (c) continuously withdrawing said slurry from the last of said one or more crystallisers; (d) separating said crystal slurry by filtration in a filter cake and a filtrate, wherein said process further comprises the step of at least partially melting fat encrustations deposited on said heat exchangers; and an oil fraction produced by therefrom.