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Processo de Aplicação de Floculante (PAM) na Remediação por Lixiviação de Solo Contaminado por Metais Pesados

Daisy.
August 26, 2025
Category Connection: Polyacrylamide do tratamento da água
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Tags:
#Anionic Polymer Polyacrylamide Flocculant #Liquid Polyacrylamide Flocculant Emulsion #Water Treatment Polyacrylamide Flocculant
Brief: Discover how Cationic Polyacrylamide Powder (PAM) enhances heavy metal-contaminated soil leaching remediation. Learn the dosing method, reaction control, and solid-liquid separation process for effective soil treatment.
Related Product Features:
  • Cationic Polyacrylamide Powder is designed for heavy metal soil remediation, ensuring efficient flocculation.
  • Adopts 'metering pump dripping' for precise PAM solution injection at 1-5 mg/L dosage.
  • Two-stage reaction control: rapid mixing (200-300 r/min) and slow flocculation (50-80 r/min).
  • Promotes bridging and agglomeration, forming large flocs (≥ 100 μm) for effective heavy metal adsorption.
  • Optimized for vertical or inclined tube sedimentation tanks, ensuring high separation efficiency.
  • Hydraulic retention time (HRT) of 1-2 hours and upward flow velocity of 1.5-2.5 mm/s for optimal settling.
  • Produced by Jiangsu Hengfeng Polymer, a leading 24-year expert in water treatment solutions.
  • Available in various ionic types (anionic, cationic, nonionic) with high molecular weight and solid content.
Perguntas frequentes:
  • What is the recommended dosage of PAM for heavy metal-contaminated soil leaching?
    The recommended dosage is 1-5 mg/L of PAM solution, ensuring effective flocculation and heavy metal adsorption.
  • How does the two-stage reaction control work in PAM application?
    The rapid mixing stage (200-300 r/min for 1-2 minutes) ensures uniform contact, while the slow flocculation stage (50-80 r/min for 10-15 minutes) promotes agglomeration and large floc formation.
  • What type of sedimentation tank is best for PAM-treated leachate?
    Vertical flow or inclined tube sedimentation tanks are ideal due to their high separation efficiency and compact design.
  • What are the key benefits of using PAM in heavy metal soil remediation?
    PAM enhances solid-liquid separation, improves water clarity, and effectively adsorbs heavy metals, making it a reliable solution for soil remediation.
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