After carbonization, the high melting pitch-base carbon fibers are activated in CO2 atmosphere at certain temperatures. The activated fibers have good adsorbent function and regenerative behaviour.
耐熔性沥清基纤维经过碳化处理后，在一定温度下的CO_2气流中进行活化处理，得到的活性碳纤维具有良好的吸附性和再生性。
When used to treat wastewater composed NH4+-N and organic carbon source, the nitrifying activated sludge pellets and the activated sludge pellets can also produce SND phenomenon in a certain extent.
当处理有机氨氮废水时固定化硝化污泥颗粒和固定化活性污泥颗粒均可实现一定程度的单级生物脱氮。
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