| abstract |
The present invention relates to a kind of trapping material of the heavy metal in catch liquid or gaseous effluent, it includes porous solid carrier, copper sulfide and at least one second metal sulfide, the metal of second metal sulfide is selected from chromium, manganese, iron, cobalt and nickel, and the ratio of the percentage by weight of the percentage by weight of the metal wherein beyond copper and copper is 0.01 2.The invention further relates to a kind of method for being used to prepare the trapping material and a kind of method for the heavy metal being used in trapping gaseous or liquid efflunent, wherein making the effluent be contacted with the trapping material. |