Remediation of per- and poly-fluoroalkyl substances in wastewater

A method for remediating wastewater formed by water and per- and poly-fluoroalkyl substances (PFAS) using a wastewater treatment system, the method comprising the steps of:

• providing said wastewater treatment system, the wastewater treatment system including a collecting unit, a dewatering unit, a drying unit, and a baking unit;
• from a wastewater source, providing said wastewater to the collecting unit;
• dosing the wastewater in the collecting unit by adding a compound to the wastewater in an amount that is sufficient to cause the PFAS to separate from the water and to form a sludge;
• from the collecting unit, providing the sludge to the dewatering unit at a first dryness level having a first percent solids;
• dewatering the sludge with the dewatering unit;
• from the dewatering unit, providing the dewatered sludge to the drying unit at a second dryness level having a second percent solids, wherein the second percent solids is higher than the first percent solids;
• drying the sludge with the drying unit;
• from the drying unit, providing the dried sludge to the baking unit at a third dryness level having a third percent solids, wherein the third percent solids is higher than the second percent solids;
• baking the sludge with the baking unit at a temperature that is between a minimum of 954° C. (1750° F.) to approximately 1600° C. (2912° F.) such that chemical bonds of at least a portion of the PFAS are destroyed.