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lignosulfonate drilling mud

См. также в других словарях:

  • Lignosulfonates — Lignosulfonates, or sulfonated lignin, (CAS number 8062 15 5) are water soluble anionic polyelectrolyte polymers: they are byproducts from the production of wood pulp using sulfite pulping.cite encyclopedia |last=Lebo |first=Stuart E. Jr. |author …   Wikipedia

  • Sulfite process — The sulfite process produces wood pulp which is almost pure cellulose fibers by using various salts of sulfurous acid to extract the lignin from wood chips in large pressure vessels called digesters. The salts used in the pulping process are… …   Wikipedia

  • lignin sulfonate — Chem. a brown powder consisting of a sulfonate salt made from waste liquor of the sulfate pulping process of soft wood: used in concrete, leather tanning, as an additive in oil well drilling mud, and as a source of vanillin. Also called… …   Universalium

  • lignin sulfonate — Chem. a brown powder consisting of a sulfonate salt made from waste liquor of the sulfate pulping process of soft wood: used in concrete, leather tanning, as an additive in oil well drilling mud, and as a source of vanillin. Also called… …   Useful english dictionary

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