A professional who controls equipment to bleach pulp. Respnsibilities include:

• Starts pumps and adjusts controls to regulate flow of pulp to chlorination towers, bleaching and soaking tanks, and pulp washers, according to specified bleaching sequence.
• Opens valves to allow metered flow of such chemicals as liquid and gaseous chlorine, sulfur dioxide gas, caustic soda, hypochlorite, and peroxide into pulp, according to bleaching specifications.
• Starts agitators to mix pulp and chemicals.
• Tends cylinder washers to wash soluble impurities and excess bleach from pulp after each bleaching operation.
• Adjusts controls to ensure that pulp bleaching meets specifications, according to laboratory test reports.
• Starts equipment to pump bleached pulp to storage.
• May make titration tests.
• May test whiteness of pulp, using reflectance meter. May tend decker machines that thicken pulp.
• May be designated according to pulp-making process as Bleacher, Groundwood Pulp (paper & pulp); Bleacher, Kraft Pulp (paper & pulp); Bleacher, Sulfite Pulp (paper & pulp).