Black liquor

Black liquor

Black liquor is a by-product formed during the production of sulfate pulp. It is created when wood chips are boiled together with a chemical mixture, typically sodium sulfate, in the presence of water and high temperatures. During this process, wood fibers are broken down and lignin is dissolved, resulting in a liquid called black liquor. In black liquor, the chemicals used in the cooking process are found, as well as various substances extracted from the wood during cooking.

  • Fiber content (total)
  • Residual alkali (hydroxide), carbonate
  • Sulphide, sulphite, sulphate, tiosulphate, total-S,
  • Oxalate
  • Chlorids
  • Metals
  • Carbohydrates, total, polymer, free (monomers)
  • Lignin (total)
  • Moleculeweightdistribution lignin
  • Talloil
  • Terpenes
  • Hydroxy acids
  • Volatile acids
  • Drycontent, Ash content

 

Contact

Christina Wedin, +4670-544 93 99, E-mail