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Manufacturers, Exporters, Suppliers of Sodium Aluminate

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Sodium Aluminate

Sodium Aluminate

Sodium Aluminate (NaAlO₂) is an inorganic chemical compound used primarily as a coagulant and pH adjuster in water and wastewater treatment. It is a strong alkaline substance that reacts with water to form aluminum hydroxide (Al(OH)₃), which acts as a flocculant to remove suspended solids, color, and impurities from water. Sodium Aluminate is commonly used as a substitute or complement to alum or PAC in water treatment due to its high efficiency and fast action.

Applications

  • Water Treatment – Used for coagulation and flocculation to remove turbidity, color, and suspended solids.
  • Wastewater Treatment – Treats industrial effluents, neutralizes acids, and aids in sludge settling.
  • Paper & Pulp Industry – Used as a sizing agent and to improve retention.
  • Textile Industry – Helps in dye fixation and wastewater clarification.
  • Chemical Industry – Serves as a raw material in alum production and zeolite synthesis.
  • Construction Industry – Used in cement and refractory applications as an alkali source.

Advantages

  • High Coagulation Efficiency – Rapidly forms aluminum hydroxide flocs.
  • pH Adjustment – Acts as a strong alkaline agent for water treatment.
  • Low Sludge Production – Generates less sludge compared to traditional alum.
  • Cost-Effective – Requires lower dosage in many applications.
  • Fast Settling Flocs – Improves water clarification speed.
  • Versatile – Can be combined with other coagulants for optimized performance.

Table

Parameter Details
Chemical Type Sodium Aluminate
Type Inorganic Coagulant & Alkali
Physical Appearance White crystalline powder or granules
Solubility Soluble in water (forms alkaline solution)
pH Highly alkaline (pH ~12 in 1% solution)
Main Function Coagulation, flocculation, pH adjustment

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