Chlorination amplifies source-dependent photochemical divergence between microplastic-derived and fulvic-acid dissolved organic matter.
Chlorination is widely applied before the discharge of wastewater effluent into receiving waters, yet the distinct response of artificial and non-plastic dissolved organic matter (DOM) to chlorination remains unclear. Here, fulvic-acid (FA), expanded polystyrene-derived DOM (EPS-DOM) and poly(butylene adipate-co-tereph...