| 摘要 |
<p>A composite catalyst for decomposing an organohalogen compound of the present invention, comprises composite particles comprising: iron compound particles having an average particle size of 0.01 to 2.0 mu m, a phosphorus content of not more than 0.02% by weight based on the weight of the particles, a sulfur content of not more than 0.3% by weight based on the weight of the particles, and a sodium content of not more than 0.3% by weight based on the weight of the particles; and an amine compound, said composite catalyst having a catalytic activity capable of decomposing not less than 50% by weight of monochlorobenzene when 50 mg of a mixture comprising iron oxide particles obtained by heat-treating said iron compound particles at a temperature of 300 DEG C for 60 minutes in air, and the amine compound, is instantaneously contacted with 5.0 X 10<-7> mol of monochlorobenzene at a temperature of 300 DEG C at a space velocity of 150,000 h<-1> in an inert gas atmosphere using a pulse catalytic reactor.</p> |
