The effects of TiO2 nanoparticles (nano-TiO2) together with antibiotics leaking into wastewater treatment plants (WWTPs). especially the partial nitrification (PN) process remain unclear. To evaluate the combined impact and mechanisms of nano-TiO2 and antibiotics on PN systems. batch experiments were carried out with six bench-scale sequencing batch reactors. https://halohealthcarers.shop/product-category/after-care/