Valmet will deliver a new evaporation line to Altri Biotek mill in Portugal. This delivery is part of Altri’s €75 million project to convert the Biotek mill to produce dissolving pulp for the textile industry. The new evaporation line significantly improves the mill’s energy and water efficiency.
“Changing the production from kraft pulp to dissolving pulp will enable the Biotek mill to take a strategic step into the renewable textile fibre markets. Our extensive expertise in industrial processes combined with our innovative technology enables us to deliver these energy and water efficient solutions for the mill conversion, and we look forward to a successful, efficient collaboration with the Altri team,” says Sami Riekkola, executive vice president for pulp, energy and circularity at Valmet.
The evaporation line will contain the latest technology, which provides significant steam savings, with the 7-effect design and clean condensates to be reused in the mill. The 7-effect evaporation line has a design capacity of 350 tons of evaporated water per hour, producing heavy liquor with 75% dry solids. The delivery covers engineering, procurement and installation of the evaporation system. The new evaporation line includes Tube and Tubel evaporators that together secure long lifetime, high availability and excellent condensate segregation. The new line is equipped with Valmet condensate handling to enable the production of clean quality condensate, which reduces the mill’s freshwater usage.
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