| 摘要 |
PCT No. PCT/EP86/00205 Sec. 371 Date Jan. 15, 1987 Sec. 102(e) Date Jan. 15, 1987 PCT Filed Apr. 2, 1985 PCT Pub. No. WO86/05711 PCT Pub. Date Oct. 9, 1986.Use of activated carbon for reduction of nitric oxides with ammonia from exhaust gases using ammonia as reduction agent in the temperature range between 90 DEG -150 DEG C. made from hardcoal, blended with binding agents like pitch, bitumen, tar or tar oil, shaped and subjected to low-temperature carbonization with a heating rate of 20 DEG -100 DEG C./min to temperature between 700 DEG -900 DEG C. in an atmosphere containing 2-5% by vol. of oxygen, so that for the activated coke 2-8% of volatile matter and a surface of 20-150 am2/g is arrived at.
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