Sodium Lignosulfonate

What is Sodium Lignosulfonate?

Sodium lignosulfonate is a sodium salt obtained by sulfonating lignin polymer derived from wood raw materials or plant waste, rendering it water-soluble.

• Physical state: Colored powder, slightly odorous
• Packaging type: Bag / Big Bag
• Structure: A non-ionic, environmentally friendly chemical additive

Sodium lignosulfonate obtained through the sulfonation of lignin:

• Concrete and cement additive,
• Agricultural chemicals,
• Detergent, textile dyes,
• It is used as a dispersant, water reducer, stabilizer, and adhesion enhancer in many industries such as paper and metal processing.

Sodium Lignosulfonate Properties

In Which Industries Is Sodium Lignosulfonate Used?

• Concrete and Cement Industry
  • Water-reducing and dispersing additive
  • High temperature stability and strength-enhancing properties
• Agricultural Industry
  • Additive to increase the stickiness of pesticides and plant nutrients
• Paper Industry
  • Substance facilitating the separation of cellulose fibers
• Textile Industry
  • Dispersion and stabilization agent in painting and finishing processes
• Detergent Industry
  • Foaming enhancer
• Petroleum Industry
  • Used in oil wells, saltwater desalination, and refinery processes
• Metal Processing Industry
  • Acts as a dispersant for metalworking fluids

How is Sodium Lignosulfonate Produced?

1. Raw Material Preparation
   • Lignin is obtained from wood pulp or plant waste through chemical processes.
2. Sulfonation Process
   • Lignin is treated with strong acids such as sulfuric acid.
   • Hydroxyl groups are made water-soluble by adding sulfonate groups.
3. Neutralization
   • The lignosulfonic acid obtained is neutralized with sodium hydroxide and converted into sodium lignosulfonate.
4. Final Transactions
   • It is ground into powder, filtered, and packaged in bags or big bags.

Thanks to this production process, sodium lignosulfonate becomes an environmentally friendly and versatile industrial additive.