Description
Add the required amount of bleaching substances and additives and operate the bleaching part of the paper machine, which bleaches the pulp with liquid and solid chemicals, removing any remaining lignin and other impurities.
Alternative labels
tend bleachers
operate bleacher
tending bleacher
maintain bleacher
run bleacher
repair bleacher
Skill type
skill/competence
Skill reusability level
sector-specific
Relationships with occupations
Essential skill
Tend bleacher is an essential skill of the following occupations:
Bleacher operator: Bleacher operators tend a machine that bleaches wood pulp to serve in the production of white paper. Different bleaching techniques are used to complement the various pulping methods, and to obtain different grades of whiteness.
Optional skill
Tend bleacher is optional for these occupations. This means knowing this skill may be an asset for career advancement if you are in one of these occupations.
Tissue paper perforating and rewinding operator: Tissue paper perforating and rewinding operators tend a machine that takes in tissue paper, perforates it, and rolls it up to create various types of sanitary paper.
Paper machine operator: Paper machine operators tend a machine that takes in pulp slurry, spread it out over a screen, and drains out the water. The drained slurry is then pressed and dried to produce paper.
Froth flotation deinking operator: Froth flotation deinking operators tend a tank that takes in recycled paper and mixes it with water. The solution is brought to a temperature around 50°C Celsius, after which air bubbles are blown into the tank. The air bubbles lift ink particles to the surface of the suspension and form a froth that is then removed.
Wash deinking operator: Wash deinking operators operate a tank where recycled paper is mixed with water and dispersants to wash out printing inks. The solution, called a pulp slurry, is then dewatered to flush out the dissolved inks.
Digester operator: Digester operators, or cooks, cook wood chips with soda ash or acid to separate the wood pulp from unwanted constituents. They test the resulting solution.
References
- Tend bleacher – ESCO