Patent ID: 6146606
Filing Date: 2000-11-14
Classification: B01D,B01J,Y02C

Abstract:
A reactive agent for decomposing nitrogen fluoride, comprising compounds of the following groups (I) to (IV):group (I): elemental carbon;group (II): an aluminum compound, an iron compound, a manganese compound and/or an alkaline earth metal compound;group (III): an alkali metal compound; andgroup (IV): a nickel compound, a tin compound and/or a copper compound;wherein the composition ratios of compounds of groups (I) to (IV) present in said reactive agent is in terms of the atomic ratio of each metal present in the compounds of groups (II) to (IV) based on the atomic ratio of the elemental carbon of group (I) being 1, such that the compound of group (II) is from 0.05 to 1.0, the compound of group (III) is from 0.01 to 0.2, and the compound of group (IV) is from 0.01 to 0.2.