35 Ill. Adm. Code 604.530
Other High Rate Clarification Processes
Section 604.530Â Other High Rate Clarification Processes
The Agency may approve high rate clarification processes
upon a demonstration of satisfactory performance under on site pilot plant
conditions or documentation of full-scale plant operation with similar raw
water quality conditions. The demonstration of documentation must include
justification for any reductions in detention times and/or increases in weir
loading rates. High rate clarification processes may include dissolved air flotation,
ballasted flocculation, and contact flocculation/clarification.