| 摘要 |
PCT No. PCT/GB95/01267 Sec. 371 Date Apr. 25, 1996 Sec. 102(e) Date Apr. 25, 1996 PCT Filed Jun. 1, 1995 PCT Pub. No. WO95/33872 PCT Pub. Date Dec. 14, 1995A method of treating a body of conducting material electrolytically which comprises the steps of placing the material to be treated in an aqueous oxidizing electrolyte, passing an electric current through the electrolyte and the material to be treated and sparging the electrolyte with gas. The material to be treated is placed in a basket comprising a conducting frame having an insulating container fitted therein, the basket being insertable in and removable from the electrolyte as desired. The insulating container is removable from the conducting frame, the frame having retaining means for receiving the insulating container. The container includes a base having perforations to allow electrolyte to contact the material to be treated. The electrolyte is sparged with gas in the region where the material to be treated is in contact with it, the gas being supplied by a plurality of pipes (21, 22) extending across the electrolyte at a location beneath the perforated base of the insulating container. The pipes each have a plurality of gas outlet holes directed towards the material to be treated.
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