polyacrylamide powder-effective flocculant polpolyacrylamide

polyacrylamide powder-effective flocculant polpolyacrylamide
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  • What are polyacrylamide based flocculants?
  • Polyacrylamide-based flocculants constitute the most important group of water-soluble polymers commercially applied in harvesting freshwater and marine microalgae from their suspensions. This is primarily due to the high reactivity, hydrophilic nature and relatively low costs associated with their monomer acrylamide .
  • What is the maximum flocculation efficiencies of polyacrylamide?
  • In general, the maximum flocculation efficiencies recorded for all polyacrylamide variants ranged from 94 to 100% for flocculant doses varying from 45 mg/L to 1.66 mg/L, respectively, for freshwater Chlorella vulgaris suspensions.
  • Are cationic polyacrylamides effective at a fixed flocculant dose?
  • The efficiency of four high molecular weight cationic polyacrylamides FO 4450, FO 4650, FO 4800 and FO 4990 at a fixed flocculant dose was analyzed by Garzon-Sanabria et al. on marine microalgae Nannochloropsis salina cultures in the presence and absence of algogenic organic matter.
  • How much polyacrylamide flocculant do you need?
  • In general, polyacrylamide flocculants with very low charge densities below 10 mol% required very high flocculant doses above 45 mg/L to effectively flocculate the marine algae cells.