Pulp and Paper Production: Lime plays a crucial role in multiple stages of pulp and paper production, including:
- Kraft Pulping: Lime is integral to the kraft process, the most commonly used pulping method.
- Sulfite Pulping: Lime neutralizes acidic water discharged from sulfite pulping, promoting environmental sustainability.
- Bleach Liquor Preparation: Lime, combined with chlorine, is used to produce calcium hypochlorite, a bleaching agent for pulp.