Metso starts up first AshLeach Duo - new innovation for efficient removal of chlorine and potassium

Metso has started up the first AshLeach Duo at a pulp mill in South America. The AshLeach Duo provides efficient removal of non process elements without the need for steam or sulfuric acid. The new system maintains all operational flexibility advantages of the AshLeach technology, which was originally developed by Metso and is known for its reliability in operation in multiple references around the world.

The new AshLeach Duo system features a two-stage centrifuge system for removal of chlorine and potassium from recovery boiler ash, designed to minimize sodium losses and to avoid acid usage at high carbonate levels in the ash.

As global leader in large recovery boilers to the chemical pulping industry, Metso is pleased to have reached this important milestone. Having effective chlorine and potassium removal is essential for the recovery boiler operations in order to both increase availability and minimize risk for corrosion. Metso is pleased also to announce that two other global pulp corporations have already ordered AshLeach Duo systems to be started up within this year as part of their important flagship mill projects.

Metso’s pulp, paper and power professionals specialize in processes, machinery, equipment, services, paper machine clothing and filter fabrics. Our offering and experience cover the entire process life cycle including new production lines, rebuilds and services.

Metso is a global supplier of technology and services to customers in the process industries, including mining, construction, pulp and paper, power, and oil and gas. Our 30,000 professionals based in over 50 countries contribute to sustainability and profitability to customers worldwide. Metso’s shares are listed on the NASDAQ OMX Helsinki Ltd. 

For further information, please contact: Lars Petersson, Director, Recovery Systems, Power business line, Metso, tel. +46 31 50 13 38 Fredrik Johansson, Product Sales Manager, Recovery Systems, Power business line, Metso, tel. +46 31 50 12 75

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