Abstract: A process for the crystallisation of a water-soluble compound from a solution of water and a solvent is provided. A process for the manufacture of crystalline sucrose from sugar palm juice or sucrose-containing biomass comprising such crystallisation process is also disclosed.

Abstract: A method for preparing a sugar syrup having high fructose content, is implemented using at least one fruit containing sorbitol, particularly apples, pears, plums, prunes, peaches, nectarines, apricots and grapes, from which a first juice is extracted. The first juice is processed in order to obtain a clarified and demineralised sweet juice having a colour lower than 45 ICUMSA and having a conductometric ash content lower than 0.4%. The clarified and demineralised sweet juice is then processed in order to hydrolyse the saccharose into fructose and glucose. The method further includes an isomerisation of the glucose in fructose, and removing the sorbitol naturally occurring in the starting material.

Abstract: A method for recovering sulfuric acid from concentrated acid hydrolysate of plant cellulose material is disclosed. In some of the examples, the concentrated acid hydrolysate is mixed with a liquid organic precipitant, with the sugars in the hydrolysate being precipitated and separated out. The remainder is sulfuric acid and an organic solvent solution. The organic solvent is then separated by distillation or extraction, thereby obtaining the pure sulfuric acid solution. This precipitation method can recover above 90% sugars and acids with a small amount of organic precipitant, which greatly reduces the recovery cost.

Abstract: A method for separating sucrose and a second dissolved component from a sucrose-containing solution, preferably a beet-derived sucrose-containing solution, wherein the solution is subjected to a first fractionation by a continuous or sequential chromatographic simulated moving bed process to yield a sucrose-enriched fraction and a fraction enriched with the second dissolved component. The resulting fraction enriched with the second component is subjected to a second chromatographic fractionation that is a simulated moving bed or batch type process, to yield a second sucrose-enriched fraction and a second fraction enriched with the second dissolved component wherein both fractions have an improved yield or purity.

Abstract: A method for separating sucrose and a second dissolved component from a sucrose-containing solution, preferably a beet-derived sucrose-containing solution, wherein the solution is subjected to a first fractionation by a continuous or sequential chromatographic simulated moving bed process to yield a sucrose-enriched fraction and a fraction enriched with the second dissolved component. The resulting fraction enriched with the second component is subjected to a second chromatographic fractionation that is a simulated moving bed or batch type process, to yield a second sucrose-enriched fraction and a second fraction enriched with the second dissolved component wherein both fractions have an improved yield or purity.

Abstract: A method for separating sucrose and a second dissolved component from a sucrose-containing solution, preferably a beet-derived sucrose-containing solution, wherein the solution is subjected to a first fractionation by a continuous or sequential chromatographic simulated moving bed process to yield a sucrose-enriched fraction and a fraction enriched with the second dissolved component. The resulting fraction enriched with the second component is subjected to a second chromatographic fractionation that is a simulated moving bed or batch type process, to yield a second sucrose-enriched fraction and a second fraction enriched with the second dissolved component wherein both fractions have an improved yield or purity.

Abstract: Sucrose ester and ether products, useful as food or beverage bulking agents, reduced calorie sweeteners, fat replacement agents, stabilizing agents, thickening agents and emulsifying agents; adhesives; biodegradable plastics and films; sizing agents for paper and textiles; ethical pharmaceuticals and new fibers are prepared by using a two-phase reaction system in which sucrose is dissolved in an alkaline, aqueous solution and an acidic reagent such as a bifunctional acid dichloride or epoxide is added to the sucrose in a water-immiscible organic solvent. Several types of products are produced: water-insoluble sucrose ester (ether) copolymers; water-soluble sucrose ester (ether) copolymers; sucrose ester (ether) dimers; and intramolecular, cyclic sucrose esters (ethers). These products can be further varied by using different kinds of acid dichlorides or epoxides that contain different kinds of functional groups.

Abstract: Sucrose ester and ether products, useful as food or beverage bulking agents, reduced calorie sweeteners, fat replacement agents, stabilizing agents, thickening agents and emulsifying agents; adhesives; biodegradable plastics and films; sizing agents for paper and textiles; ethical pharmaceuticals and new fibers are prepared by using a two-phase reaction system in which sucrose is dissolved in an alkaline, aqueous solution and an acidic reagent such as a bifunctional acid dichloride or epoxide is added to the sucrose in a water-immiscible organic solvent. Several types of products are produced: water-insoluble sucrose ester (ether) copolymers; water-soluble sucrose ester (ether) copolymers; sucrose ester (ether) dimers; and intramolecular, cyclic sucrose esters (ethers). These products can be further varied by using different kinds of acid dichlorides or epoxides that contain different kinds of functional groups.

Abstract: A method for separating sucrose and a second dissolved component from a sucrose-containing solution, preferably a beet-derived sucrose-containing solution, wherein the solution is subjected to a first fractionation by a continuous or sequential chromatographic simulated moving bed process to yield a sucrose-enriched fraction and a fraction enriched with the second dissolved component. The resulting fraction enriched with the second component is subjected to a second chromatographic fractionation that is a simulated moving bed or batch type process, to yield a second sucrose-enriched fraction and a second fraction enriched with the second dissolved component wherein both fractions have an improved yield or purity.

Abstract: There is disclosed a process for recovering sucralose-6-ester from a feed mixture of 6-O-acyl-4,1',6'-trichloro-4,1',6'-trideoxygalactosucrose in a reaction medium comprising a tertiary amide (such as N,N-dimethylformamide), wherein said process comprises removing a major proportion of said tertiary amide by steam distillation. In preferred aspects of the invention, the steam distillation is followed by extraction and then purification by crystallization or crystal aging to recover sucralose-6-ester in good yield.

Abstract: A process for producing substantially pure sucralose pentaester from a mixture of 6-O-acyl-4,1' ,6' -trichloro-4,1',6'-trideoxygalactosucrose in a reaction medium comprising a tertiary amide, wherein said process comprises the steps of:(a) recovering the 6-O-acyl-4,1' ,6' -trichloro-4,1' ,6' -trideoxygalactosucrose from said mixture;(b) peracylating the 6-O-acyl-4,1' ,6' -trichloro-4,1' ,6' -trideoxygalactosucrose product of step (a) to produce thereby 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester; and(c) crystallizing the 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester product of step (b) to produce substantially pure 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester.

Abstract: A method as provided wherein betaine is separated eluted from beet molasses using a chromatographic simulated moving bed system having at least three chromatographic columns connected in series. The betaine is eluted during the same cycle as sucrose and rest molasses feeding and substantially simultaneous water feeding step, at least one water feeding step, a circulation step, and elution of sucrose, betaine and rest molasses fractions from selected columns.

Abstract: There is provided a method of metering monocalcium saccharate into a sugared juice. The process includes taking a sample of the juice to be analyzed, diluting the sample with alcohol in order to form a precipitate, separating the precipitate by filtration, dissolving the precipitate in deionized water, acidifying the solution obtained by the addition of phosphoric acid and metering the saccharose into the said solution. The method is usable, in particular, in sugar refining in the production of sugared juices by the alkaline diffusion process.

Abstract: A process for obtaining fructose solutions or solid fructose, a raw material containing sucrose and/or similar fructofuranosides is hydrolyzed to fructose and glucose and treated with a calcium base (e.g. calcium oxide or hydroxide) to precipitate calcium-sugar complexes. The precipitate is slurried in water and then treated with phosphoric acid to liberate (e.g. at a pH of 5.5 to 9) a fructose solution of high purity (i.e. de-complex the calcium-fructose complex), with precipitation of useful calcium phosphate salts. Phosphoric acid has been found to have significant advantages over carbonic acid or carbon dioxide as the fructose-liberating (de-complexing) agent, e.g. better yields and more useful by-products. Solid fructose can be obtained from the fructose solution in a known manner. The filtrate from the calcium-sugar complexing step can be acidified to yield stable, useful, fructose-depleted by-products.

Abstract: Method and apparatus for treating sugar-works molasses wherein the third stage part of the mother liquid-hot saccharate suspension is reheated in a heat exchanger before mixing the same with the cool filtrate of the second stage to increase the temperature of the mixture to the precipitation temperature of hot saccharate.

Abstract: Beet juice is purified, then concentrated and treated in several steps for boiling and centrifugal separation to effect recovery of sucrose therefrom. The molasses remaining after the separation of sucrose from massecuite is treated with .alpha.-galactosidase to effect hydrolysis of raffinose present in the molasses. The resultant raffinose hydrolyzate is introduced into a calcium saccharate-forming step, wherein quicklime is continuously added to the hydrolyzate to form saccharate within the hydrolyzate. From the calcium saccharate-forming step, nearly the same volume of the saccharate-containing solution as that of the raffinose hydrolyzate fed therein is forwarded to a filtering and washing step. The resultant saccharate cake is sent back to the step for purification.

Abstract: Process for treating sugar-factory molasses comprising dilution of the molasses with cold water, precipitation of the saccharose in the diluted molasses by addition of quicklime, and then filtration of the so-treated molasses, wherein an electrolyte selected from the group consisting neutral salts and acid salts is added to the molasses at the latest during the cold precipitation.

Abstract: In obtaining calcium saccharate from molasses solution, active CaO, in the form of burned lime, hydrated lime or milk of lime, is added to the solution; the mixture is cooled to below 20.degree. C.; a stream of slurry of finely subdivided lime ground in an inert organic liquid carrier is injected into a stream of the aforesaid mixture; the cold combined stream is passed through a motionless static mixer; and the so-mixed combined stream is filtered to remove precipitated calcium saccharate.

Abstract: An apparatus for reacting diluted molasses with lime in a tank 5 includes a pair of heat exchangers 12, 17, a pair of four-way valves 10, 14, an inlet circuit 2, 15 for the tank, and a circuit 8, 19 for recirculating part of the reacted molasses back through the tank. The positions of the valves are periodically switched which reverses both the circuit couplings of and the directions of flow through the heat exchangers, to thereby dissolve any built up deposits and crusts in the heat exchangers.