Abstract
Industrial growth generates waste, where produced water (PW) poses a challenge due to its chemical complexity. Concerns about potential health effects, including a link to Alzheimer's disease, arise with flocculants like aluminum sulfate. Studies indicate that Moringa oleifera seeds have coagulation activity. Thus, this study aimed to compare the oil/water removal efficiency of PW through flocculation between aluminum sulfate and M. oleifera seed-based coagulants in saline and aqueous media. The synthetic matrix was treated with these flocculants, revealing a notable reduction in oil and grease levels (TOG), especially with saline extracts showing removal above 69%, notably Moringa purified + NaCl exhibiting substantial potential, second only to aluminum sulfate. Additionally, in total solids analysis, the saline extract of purified seeds achieved 67% removal of T.S, while the commercial counterpart reached 72%. Toxicity analysis on Artemia salina indicates that M. oleifera treatments resulted in over 50% mortality, yet exhibited reduced toxicity compared to synthetic matrix (petroleum) and aluminum sulfate.
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