PROCESS FOR THE PURIFICATION OF NUTRIENTS FROM FOOD PROCESS STREAMS

A separation process for isolation and purification of useful nutrients from food process streams is described. The process includes the steps of contacting an aqueous solution including a nutrient and divalent ions with an ion exchange resin including monovalent ions. The eluate which is depleted o...

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Hauptverfasser:	JOHNSON, ROBERT LEONARD, HOURIGAN, JAMES ARTHUR, SLEIGH, ROBERT WALTER, DURHAM, ROSALIE JOYCE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES MAKING THEREOF METALLURGY MILK OR CHEESE SUBSTITUTES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRODUCTION OF SUCROSE SACCHARIDES, OTHER THAN SUCROSE, OBTAINED FROM NATURAL SOURCESOR BY HYDROLYSIS OF NATURALLY OCCURRING DI-, OLIGO- ORPOLYSACCHARIDES SUGAR INDUSTRY THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A separation process for isolation and purification of useful nutrients from food process streams is described. The process includes the steps of contacting an aqueous solution including a nutrient and divalent ions with an ion exchange resin including monovalent ions. The eluate which is depleted of divalent ions is collected and subjected to a process capable of separating monovalent ions to obtain a permeate fraction including monovalent ions and a retentate fraction including said nutrient. The retentate is separated into fractions, wherein at least one of said fractions includes the major portion of said nutrient, which may then be further purified. The ion-exchange resin can be regenerated by contacting the ion-exchange resin with a solution including the permeate fraction until a major portion of divalent ions in the ion exchange resin have been replaced by monovalent ions.