IECM 12.0 beta User Manual > Modules Included with the IECM > Pulverized Coal (PC) Plant > SET PARAMETERS > By-Product Management >

Chemical Treatment Performance

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The Chemical Treatment Performance parameter screen is only shown when Chemical Wastewater Treatment is chosen on the Plant Design screen. Performance inputs for chemical wastewater treatment are entered on this screen. The following parameters are available:

•Lime Dosage (Precipitator): This is the lime dosage for precipitation.

•Alum Dosage (Coagulant): This is the alum dosage for coprecipitation as coagulants.

•Polymer Dosage: This is the polymer dosage for the precipitation process.

•Sludge Production: This is the production rate of sludges that are generated from the precipitation process.

•Sludge Solids Content: This is the sludge solids concentration by weight.

•Rapid Mix Time: This is the rapid mix time.

•Flocculator Time: This is the flocculator time.

•Clarifier Overflow: This is the clarifier overflow rate.

•Power Requirement: This is the power needed to run the chemical treatment system. It is also referred to as an energy penalty. It is expressed as a percentage of the gross plant capacity.