Tall oil, also called "liquid rosin" or tallol, is a viscous yellow-black odorous liquid obtained as a by-product of the Kraft process of wood pulp manufacture when pulping mainly coniferous trees. The name originated as an anglicization of the Swedish "tallolja" ("pine oil"). Tall oil is the third largest chemical by-product in a Kraft mill after lignin and hemicellulose; the yield of crude tall oil from the process is in the range of 30 – 50 kg / ton pulp. It may contribute to 1.0 - 1.5% of the mill's revenue if not used internally.
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Famous quotes containing the words tall and/or oil:
“Equilibrists lie here; stranger, tread light;
Close, but untouching in each other’s sight;
Mouldered the lips and ashy the tall skull.
Let them lie perilous and beautiful.”
—John Crowe Ransom (1888–1974)
“It is wise to apply the oil of refined politeness to the mechanism of friendship.”
—Colette [Sidonie Gabrielle Colette] (1873–1954)