White Flocculant for Wet-Method Sand Manufacturing

I. Product Name

Generic Name: Polyacrylamide
Common Names: White Material, Flocculant, PAM

II. Molecular Formula

(C₃H₅NO)ₙ

III. Product Types

  • Anionic type: Mainly used for wastewater flocculation, sedimentation and sludge thickening.
  • Cationic type: Mainly used for sludge dewatering and filter pressing.
  • Non-ionic type: Mainly used for acidic wastewater treatment and sludge conditioning.

IV. Main Specifications

  • Appearance: White granules or powder
  • Solid content: ≥90%
  • Molecular weight: 4–22 million
  • Dissolution time: 30–90 minutes
  • Residual monomer: ≤0.1%

V. Performance Features

  1. Forms large, strong flocs through polymer adsorption and bridging, not easily broken.
  2. Extremely low dosage with strong flocculation effect.
  3. Significantly improves sedimentation speed and reduces moisture content.
  4. Good water solubility and uniform dissolution.

VI. Application Scope

  • Advanced flocculation of wastewater and sludge-water separation
  • Municipal / industrial sludge dewatering (belt filter press, plate-and-frame filter press)
  • Paper retention and drainage aids, oilfield flooding, thickening agent
  • Wastewater treatment in sand washing, coal washing and tailings processing

VII. Usage Method

  1. Prepare 0.1%–0.3% aqueous solution and stir until completely dissolved.
  2. Dosage: 1–10 g/m³ of wastewater, adjustable according to actual water quality.
  3. Dissolution water temperature shall not exceed 45℃; avoid high-shear stirring.

VIII. Packaging and Storage

  • Packaging: 25 kg paper bags or woven bags
  • Storage: Store in cool and dry place, protect from moisture and direct sunlight.