NEW OXYGEN ADSORBENT AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To solve the problem in safety of conventional oxygen adsorbents such that they are responsive to a metal detector, and to obtain an oxygen adsorbent having excellent oxygen adsorption capacity. SOLUTION: The oxygen adsorbent is obtained by reducing nickel-containing titanium d...

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Hauptverfasser:	YOTSUMOTO TOSHIRO, TOUGETA HIROSHI, MORIYA ICHIRO, KASE MITSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL SEPARATION STORING THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve the problem in safety of conventional oxygen adsorbents such that they are responsive to a metal detector, and to obtain an oxygen adsorbent having excellent oxygen adsorption capacity. SOLUTION: The oxygen adsorbent is obtained by reducing nickel-containing titanium dioxide obtained from a compound essentially comprising a nickel atom, a metal and titanium dioxide, or a titanium compound by impregnation, coprecipitation, mixing, or other methods. In the manufacturing method for the oxygen adsorbent, a solid material obtained by the impregnation, coprecipitation, or mixing of the above raw materials is heated and dried to prepare the nickel-containing titanium dioxide, which is reduced to produce the oxygen adsorbent. As titanium dioxide, its anatase type is preferable. As the compound essentially comprising a nickel atom, nickel nitrate, nickel sulfate, or nickel acetate is preferable. The reduction is preferably carried out using hydrogen at 450°C or lower. The oxygen adsorbent can be reused by reducing it again after use. COPYRIGHT: (C)2003,JPO