the use of polymers in the flotation treatment of wastewater

the use of polymers in the flotation treatment of wastewater
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  • Can natural polymers be used in wastewater treatment?
  • The present review portrays the natural polymers and their applications in wastewater treatment. Recent advancements in polymer extraction from natural sources, as well as the potential for future natural polymer research in numerous fields, are also covered in depth.
  • Why are polymer flocculants used in water purification?
  • Therefore, in modern water purification technologies, polymer flocculants are increasingly used. Polymer flocculants cause the formation of large, coherent aggregates (so-called flocs) that settle in the solution. Synthetic polymers are highly effective flocculants at low dosages but have poor shear stability.
  • Are biopolymers effective flocculating agents for water purification?
  • As this literature review shows, biopolymers have a great potential to become effective flocculating agents for water purification, but so far they are not used on a large scale in industrial practice. The main direction of future research is the acquisition of new biomaterials and their modification in order to optimize the flocculation process.
  • Can flotation be used for heavy metal ions recovery?
  • Nowadays, wider applications have been found and compared to flotation for water and wastewater treatment. Stress in the present review paper was mainly applied to heavy metal ions recovery by flotation and the respective mechanism followed, being either ion, precipitate, or sorptive flotation.