Abstract: This review introduces the biological activated carbon（BAC）technology，biofilm formation，bioregeneration of activated carbon. Effects of activated carbon properties，microbes，ozone and backwashing on the efficiency for water treatment are discussed. Some applications of BAC in industry are introduced. The deficiency and development direction of the BAC process are also discussed.

摘要： 介绍了生物活性炭技术、生物膜的形成、活性炭的生物再生机理、活性炭的性质、微生物、臭氧以及反冲洗对水处理效果的影响，例举了生物活性炭工艺在工业上的应用，并总结了生物活性炭技术的现存问题及研究方向。