Detia Freyberg Gmbh

Martin Munzel

Wolfgang F Friemel

Volker E Barth

Reiner Ehret

This invention relates to a method of fumigating agricultural products in storage or transportation facilities for controlling pests by means of hydrogen phosphide which is then bound and/or decomposed to a substantial extent; according to the invention, a fumigating composition releasing hydrogen phosphide is placed in a manner known per se among products stored in conventional storage facilities, whereupon the stored products are covered with a flexible film, foil or sheet to isolate them from the surrounding storage space, and the hydrogen phosphide diffusing from the gas containing space above and among the stored products during or after fumigation is bound by adsorption, physical or chemical absorption and/or decomposed by chemical or physical means. The invention also relates to a specific solid catalyst suitable for the decomposition of hydrogen phosphide.

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Bensheim, Germany

Martin Munzel