Abstract The work was focused on the effect of bioaugmentation process STWW contaminated by pentachlorophenol (PCP: 100 mg L−1) Pseudomonas putida AE015451. monitoring treatments assessed chloride content determination via high-performance liquid chromatography (HPLC), optical density (OD) for microbial biomass determination, and pyoverdine biofilm production. a PGPR strain showed high-efficien...