Numerous recovery systems are used for handling the spent liquor from NSSC pulping. Variations in the type of pulp extract and its post treatment will determine the maximum solid content, and NPN content of these products, which is complicted by a complex distribution system, and makes it very difficult for the purchaser to determine lignin sulfonate quality. It is recommended that a guaranteed analysis be requested whenever these products are purchases. Widely variable depending on supplier and product. May vary considerable depending on type, origin, temperature and processing variable.
Most production is of calcium and ammonium base.
Magnesium and sodium base is of limited production. As a surfactant in molasses, as a component of liquid supplements for ruminants, and as a pellet binder in either dry or liquid form. It also has applications as a binding aid in flaking of feed grains.