Sulfite liquors and Cooking liquors, pink The cooking aqueous solution formed by the absorption of sulfur dioxide gas in an aqueous solution of sodium hydroxide or sodium carbonate. It is used to produce the pulp from wood chips.

Sulfite liquors and Cooking liquors, green A solution obtained by dissolving the chemicals recovered in the alkaline pulping process in water.

Sulfite liquors and Cooking liquors, spent, oxidized The substance resulting from the oxidation of the aqueous solution resulting from the reaction of lignocellulosic substances (wood or other agricultural fiber sources) with one or more pulping chemicals including those used in Kraft, sulfite, semichemical or other pulping processes or by the oxidation of the desugared component of this spent pulping liquor.

Sulfite liquors and Cooking liquors, white The solution formed by reacting the sodium salts of green liquor with calcium hydroxide.

Sulfite liquors and Cooking liquors, spent The aqueous solution resulting from the reaction of lignocellulosic substances (wood or other agricultural fiber sources) with one or more pulping chemicals including those used in the kraft, sulfite, semichemical or other pulping processes. Composition is highly variable and includes excess pulping chemicals, dissolved and degraded cellulose, hemicellulose and lignin.

Sulfite liquors and Cooking liquors, spent, alkali-treated