types of using high purity polyaluminium in water treatment in europe

types of using high purity polyaluminium in water treatment in europe
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  • Is polyaluminum chloride a good coagulant for water treatment?
  • Polyaluminum chloride (PAC) is highly effective coagulant for water treatment over conventional coagulants because of low dosage requirement, shorter flocculation time, smaller amount of sludge, high efficiency and low aluminum residual in treated water [ 6 ].
  • Can polyaluminium chloride be used as an alternative to commercial products?
  • The possibility of using the laboratory-produced polyaluminium chloride containing high Al 13 content (PAC-Al 13) as an alternative to the commercially available products is promising based from its high contaminants removal efficiency, higher basicity, Al 13 content, simple preparation technique and lower production cost.
  • Is polyaluminium chloride better than polyelectrolyte – alum-based coagulation?
  • At the Barekese Water Treatment Plant in Ghana, an alternative, the polyelectrolyte – polyaluminium chloride (PAC) is also used in coagulation but limited information is available on the operating conditions required to achieve better performance than alum-based coagulation.
  • Why are aluminium based polymers used in water treatment?
  • These shortfalls in the use of alum have led to the synthesis of improved, aluminium-based polymers, which have been used extensively, over the few last decades, for treating water due to their high efficiency at lower dosages, and wider pH and temperature application ranges ( Sahu & Chaudhari 2013 ).