Integration of wet oxidation and nanofiltration for treatment of recalcitrant organics in wastewater

摘要

Wet oxidation and nanofikltration are employed in an integrated system for the treatment of bioresistant industrial wastewaters. The partial oxidation products formed during a brief period of pretreatment in a low pressure WO reactor are separated by nanofiltration, and larger molecules are recycled into the reactor where they undergo further oxidation. Experiments were carried out with polyethylene glycol as a model compound in aqueous solution, representing polymer manufacture wastewater.