sellutehtaissa

Sellutehtaissa is a Finnish term that translates to "in pulp mills." It refers to the industrial facilities where wood pulp is manufactured. Pulp is a fibrous material derived from wood, used primarily as a raw material in the production of paper, cardboard, and other cellulose-based products.

The process in a pulp mill typically involves breaking down wood into its constituent fibers, primarily cellulose. This is achieved through mechanical or chemical means, or a combination of both. Mechanical pulping grinds wood into pulp, preserving most of the wood's components but resulting in a weaker fiber. Chemical pulping, on the other hand, uses chemicals like sulfates or sulfites to dissolve the lignin, the substance that binds wood fibers together, producing a purer and stronger cellulose pulp.

Pulp mills are significant industrial operations, often located near forests and water sources due to the large quantities of raw materials and water required. They play a crucial role in the global paper and forestry industries. Environmental considerations, such as water usage, effluent treatment, and air emissions, are important aspects of modern pulp mill operations. The industry has seen advancements in sustainable practices, including energy efficiency and the use of renewable resources.