Glossary
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- Secondary treatment
- Wastewater treatment systems that use microorganisms to convert the dissolved organic waste in the effluent into a more harmless form.
- Semi-chemical pulp
- A combination of chemical and mechanical pulping with properties similar to chemical pulp.
- SFI
- Sustainable Forestry Initiative.
- SO2 (Sulphur Dioxide)
- Sulphur dioxide is formed when sulphur-containing fuels such as oil and coal are burned. Sulphur dioxide contributes to the acidification of soil and water.
- Softwood Pulp
- Pulp made from coniferous trees.
- Solid Waste Landfill
- Organic and inorganic waste materials are defined, calculated and declared as completely dry matter. If not properly managed and controlled, leaks from landfill can contaminate ground water.
- Sulfite pulping
- Pulp produced with sulfur dioxide and calcium, magnesium, ammonium or sodium bases. The pulp can be produced at different pH levels. The higher the pH, the stronger the pulp produced.
- Sulphate pulp
- Paper pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide. Known as Kraft.
- Sustainable Forestry
- A forest management process that addresses the entire eco-system, rather than trees alone.