raw water treatment using bentonite-chitosan in brazil

raw water treatment using bentonite-chitosan in brazil
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  • Can bentonite be used as a coagulant for raw water treatment?
  • The effectiveness of bentonite using chitosan as a coagulant for raw water treatment was assessed in this study. The possible link between Alzheimer's disease with conventional aluminium based coagulants, has become an issue in water treatment.
  • Can chitosan be used as a coagulant flocculant in surface water treatment?
  • The effectiveness of chitosan as a coagulant flocculant in surface water treatment has been studied. Tests were carried out in laboratory on treated and raw water. The treated water was mixed with high and low concentrations of bentonite to simulate turbid water.
  • Can chitosan adsorption be used to remove fluoride from brackish water?
  • Fluoride was removed using natural chitosan by electrodialysis from the underground brackish water reported by Sahli et al. The results showed that chitosan adsorption coupled with electrodialysis is a viable option for the removal of high contents of fluoride from brackish water .
  • What is raw chitosan?
  • Raw or unmodified chitosan The chitosan without any modification (in powder or flakes form) has been used for the removal of various contaminants from water. Chitosan is mostly derived from chitin in a solid form with high crystallinity called chitosan flakes.