近年来利用绿色化学过程来处理难生物降解有机物是一个非常活跃的研究课题。
Treatment of non biodegradable toxic organic pollutants by green chemical process is a very active field in recent years.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物，还具有脱色、脱磷、除臭等作用。
The modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
磺胺类生产废水由于其具有有机物浓度高、难生物降解等特点，使得处理方法很受局限。
The sulfanilamide wastewater is characterized by high concentration of organic compounds and is hard to biodegradable, so the treatment methods of this kind of wastewater are limited.
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