Currently, the need for regulations to control and to limit the health risks from disinfection byproducts(DBPs) is becoming necessary  and the concerns are  elevated from possible cancer risks to other chronic health effects. Chloroform is a DBPs formed from chlorine disinfection process,  a Trihalomethanes (THMs) group which have  maximum allowable contaminant level of 0.08 ppm.  It is the eleventh ranked  hazardous and  also the third  highest among chlorinated organic substances.  Removing chloroform by physical and chemical methods is expensive and may generate a secondary pollutant. But using Trickling bed biofilter as a biotechnological method can achieve a better removal. The dechlorination process is designed to achieve desirable elimination rate and sustained removal of chloroform. The primary objective of this project is to use an innovative technique for controlling the biological destruction of disinfection by-products, by operating the system anaerobically.

Biological removal of chloroform by using biotrickling filter (BTF)

244th National Meeting (2012)

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