lowest cost of china drinking water grade high purity poly aluminium chloride

lowest cost of china drinking water grade high purity poly aluminium chloride
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  • What is high-purity poly-aluminum chloride (PACL)?
  • Poly-aluminum chloride (PACl) is one of the common coagulants for water and wastewater treatment. A new Chinese national standard of PACl has been implemented, where the concentration of insoluble substances, iron and heavy metals is to be controlled strictly, then researches on the preparation of high-purity PACl are needed.
  • Which polymers are used to make high-purity PACL?
  • After PACl was prepared, the polymers with a sulfydryl group and modified PAM were added into the conventional liquid PACl, this not only removes iron significantly, but also accelerates the sedimentation of insoluble suspended matter. The properties of high-purity PACl synthesized by bauxite and calcium aluminate are shown in Table 3.
  • What is the molecular formula of poly-aluminum chloride?
  • One of the major pre-polymerized coagulants, poly-aluminum chloride (PACl) is used broadly for water and wastewater treatment. PACl contains different amounts of hydroxyl, and the molecular formula of PACl is [Al m (OH) n (H 2 O) x]·Cl 3m−n (n ≤ 3 m).
  • Which bauxite is used to prepare high-purity PACL?
  • The sample A exhibited the highest aluminum content (13.7%) and the highest basicity (92.9%). Therefore, the bauxite 1 from He-Nan province which was used to prepare sample A is to be used as the raw material to prepare high-purity PACl.