What is the waste from the system and how is it disposed of?

Overtime the wastewater in the dirty water tank becomes more concentrated. Empty the dirty water holding tank periodically when contamination reaches maximum level.  This dirty water is typically a more concentrated version of the wastewater that you are currently generating.  The Extran module concentrates the oil while allowing you to reuse the water.  For many applications the waste is about 10% of the volume of the original amount of wastewater.