Enhancing oil removal from water using ferric oxide nanoparticles doped carbon nanotubes adsorbents حسب Fard, Ahmad Kayvani

"…The doped CNTs reached maximum sorption capacity after only 15 min providing one of the fastest minimum contact times reported of all oil sorbent materials. The loading of Fe2O3 nanoparticles on the negative surface of CNT decreases the negative sign and magnitude of the zeta potential by overcoming the repulsive effects of the electrical double layers to allow the finely sized oil droplets to form larger droplets through coalescence. …"
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