JPH0536401B

The invention relates to a method and apparatus or plant for preparing a disinfestation or disinsection fluid which contains an inert fluid and phosphine obtained from the hydrolysis of a water-decomposable metal phosphide. According to the invention to the inert fluid H2O is added, the inert fluid/...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HERUMUUTO RAIFU, MANFURETSUDO GORUNEMAN
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMICAL RIPENING OF FRUIT OR VEGETABLES CHEMISTRY COMPOUNDS THEREOF FISHING FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J FORESTRY HUMAN NECESSITIES HUNTING INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PEST REPELLANTS OR ATTRACTANTS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING TRAPPING
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Beschreibung
Zusammenfassung:	The invention relates to a method and apparatus or plant for preparing a disinfestation or disinsection fluid which contains an inert fluid and phosphine obtained from the hydrolysis of a water-decomposable metal phosphide. According to the invention to the inert fluid H2O is added, the inert fluid/H2O mixture brought into contact with the metal phosphide for the reaction and the resulting disinfestation fluid separated from the solid reaction residue. The mixture of inert fluid and H2O is brought to react either in liquid or in gaseous state with the metal phosphide. A simple method of preparing the disinfestation fluid resides in that in an opened pressure container (1) calculated amounts of metal phosphide (2), solidified inert fluid (3) and water ice (4) are layered over each other in that order, the pressure container (1) closed and a temperature equalization with the ambient temperature allowed to take place. After completion of corresponding reactions a gaseous mixture of inert fluid and phosphine can be extracted via an expansion valve (7).