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Bench-Scale High-Rate Disinfection of Combined Sewer Overflows with Chlorine and Chlorine Dioxide

P. E. Moffa / E. C. Tifft / S. L. Richardson / J. E. Smith

A bench-scale study of high-rate disinfection of combined sewer overflows with chlorine and chlorine dioxide was performed to aid in the design and operation of full-scale prototype treatment facilities. Four logarithm reduction in three indicator bacteria and several common viruses were obtained with 25 mg/l chlorine or 12 mg/l chlorine dioxide in two-minutes contact time. Sequential addition of disinfectants enhanced the process such that only eight mg/l of chlorine followed in 15 to 30 seconds by two mg/l chlorine dioxide were necessary to obtain similar reductions.

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Bench-Scale High-Rate Disinfection of Combined Sewer Overflows with Chlorine and Chlorine Dioxide

P. E. Moffa / E. C. Tifft / S. L. Richardson / J. E. Smith

A bench-scale study of high-rate disinfection of combined sewer overflows with chlorine and chlorine dioxide was performed to aid in the design and operation of full-scale prototype treatment facilities. Four logarithm reduction in three indicator bacteria and several common viruses were obtained with 25 mg/l chlorine or 12 mg/l chlorine dioxide in two-minutes contact time. Sequential addition of disinfectants enhanced the process such that only eight mg/l of chlorine followed in 15 to 30 seconds by two mg/l chlorine dioxide were necessary to obtain similar reductions.

Bench-Scale High-Rate Disinfection of Combined Sewer Overflows with Chlorine and Chlorine Dioxide

P. E. Moffa / E. C. Tifft / S. L. Richardson / J. E. Smith

A bench-scale study of high-rate disinfection of combined sewer overflows with chlorine and chlorine dioxide was performed to aid in the design and operation of full-scale prototype treatment facilities. Four logarithm reduction in three indicator bacteria and several common viruses were obtained with 25 mg/l chlorine or 12 mg/l chlorine dioxide in two-minutes contact time. Sequential addition of disinfectants enhanced the process such that only eight mg/l of chlorine followed in 15 to 30 seconds by two mg/l chlorine dioxide were necessary to obtain similar reductions.

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Title:

Bench-Scale High-Rate Disinfection of Combined Sewer Overflows with Chlorine and Chlorine Dioxide

Contributors:

P. E. Moffa (author) / E. C. Tifft (author) / S. L. Richardson (author) / J. E. Smith (author)

Publication date:

1975

Size:

194 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Water Pollution & Control , Combined sewers , Overflows , Disinfection , Sewage treatment , Waste water , Runoff , Chlorine , Chlorine oxides , Bioassay , Adenosine phosphates , Bacteria , Viruses , Dosage , Test methods , Efficiency , Purification

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