Tuesday, January 24, 2012

Sodium lignosulphonate

  • Sodium lignosulfonate (lignosulfonic acid, sodium salt) is used in the food industry as a de-foaming agent for paper production and in adhesives for items that come in contact with food. It has antimicrobial and preservative properties, and is used as an ingredient in animal feeds.
  • It is also used for construction, ceramics, mineral powder, chemical industry, textile industry (leather), metallurgical industry, petroleum industry, fire-retardant materials, rubber vulcanization, organic polymerization.
  • Sodium lignosulfonate was prepared from stripped sulphite waste liquor obtained from the Rhinelander Paper Company, Rhinelander, Wisconsin. Twelve L of this liquor were filtered and then saturated with sodium chloride.

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