| 摘要 |
PCT No. PCT/GB90/01606 Sec. 371 Date Jun. 18, 1992 Sec. 102(e) Date Jun. 18, 1992 PCT Filed Oct. 17, 1990 PCT Pub. No. WO91/05735 PCT Pub. Date May 2, 1991.A method of producing active carbon by microwave-induced pyrolysis of a carbonaceous material in an atmosphere wherein flame generation is prevented. The resulting product is treated with an acid to wash out sulphur or metal values and then activated with superheated steam and/or carbon dioxide at an elevated temperature.
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