Seeking to combine the excellence of the operation with the minimum environmental impact, CMPC researched and identified the best practices and technologies available in the sector, making the system more sustainable and efficient, from the forest to the final product.
The industrial process of a pulp mill essentially consists of the extraction and processing of the fiber - the plant compound that constitutes the cellular wall of the wood (in this case, eucalyptus). Its molecules are intertwined in bundles by an organic substance: lignin, a kind of collagen that gives consistency to the trees.
With high calorific value, this organic resin (constituted by an alkaline solution and associated with other vegetal extracts) denominated lixívia or black liquor is the main person responsible for the energy self-sufficiency of the factory.
Once benefited, the cellulose is washed, filtered, bleached and pressed, and is subsequently marketed as the basis for the manufacture of various products.