||Virus Removal during Groundwater Recharge: Effects of Infiltration Rate on Adsorption of Poliovirus to Soil.
Vaughn, James M. ;
Landry, Edward F. ;
Beckwith, Cheryl A. ;
Thomas, McHarrell Z. ;
||Brookhaven National Lab., Upton, NY.;Health Effects Research Lab., Cincinnati, OH.
Water pollution control ;
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Studies were conducted to determine the influence of infiltration rate on poliovirus removal during groundwater recharge with tertiary-treated wastewater effluents. Experiments were conducted at a uniquely designed, field-situated test recharge basin facility through which some 62,000 cu. m of sewage had been previously applied. Recharge at high infiltration rates (75 to 100 cm/h) resulted in the movement of considerable numbers of seeded poliovirus to the groundwater. Moderately reduced infiltration rates (6 cm/h) affected significantly improved virus removal. Very low infiltration rates (0.5 to 1.0 cm/h), achieved by partial clogging of the test basin, yielded the greatest virus removal efficiencies.