Polyacrylamide(PAM) water treatment agent

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Polyacrylamide for wastewater treatment

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  • How is an anionic polyacrylamide flocculant synthesized?
  • In this study, an anionic polyacrylamide flocculant was synthesized by ultrasonic initiated template copolymerization (USTP), using sodium allylsulfonate (SAS) and acrylamide (AM) as monomers, poly diallyl dimethyl ammonium chloride (polyDADMAC) as template, and 2,2′-azobis [2- (2-imidazolin-2-yl) propane] dihydrochloride (VA-044) as initiator.
  • Can anionic polyacrylamide be used in wastewater treatment?
  • Synthetic flocculants represented by anionic polyacrylamide (APAM) have attracted more and more attention in the field of wastewater treatment (Desai and Murthy 2012; Ma et al. 2013 ). The anionic chemical group in APAM can neutralize the positively charged colloidal particles in wastewater and make them destabilized (Zhao et al. 2018 ).
  • What is high molecular weight polyacrylamide (PAM)?
  • Provided by the Springer Nature SharedIt content-sharing initiative High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and friction reducer in both enhanced oil recovery and high volume hydraulic fracturing.
  • Which polymers are used in water and wastewater treatment operations?
  • The classification of the synthetic organic polymers used in water and wastewater treatment operations is based on the ionic charge present, e.g. cationic, anionic and non-ionic polyelectrolytes. Cationic polyelectrolytes formed the largest number of polymeric coagulants that have been used in CF operations.