Lignosulfonates (often abbreviated as LS) is byproducts from the production of wood pulp using sulfite pulping,is one of the first dispersants added as an admixture to concrete. Lignosulfonates are recovered from the spent pulping liquids (red or brown liquor) from sulfite pulping. Ultrafiltration can also be used to separate lignosulfonates from …
What is lignosulfonate(lignosulphonate)?
