Andritz to upgrade evaporation plant

Andritz has received an order from Moorim P&P in South Korea, to upgrade an evaporation plant at its Ulsan mill, which produces bleached kraft pulp and different types of high-quality paper.

The refurbishment will help to increase the mill’s efficiency and reduce the consumption of resources.

Andritz’s scope of supply includes an HD concentrator that will ensure that the evaporation plant sends firing liqor with higher dry solids content to the recovery boiler; the upgrade of the evaporation plant by adding a new effect 6 and an MVR pre-evaporator that will increase the evaporation capacity; and a foul condensate treatment system that will allow the condensates to be reused inside the mill instead of sending them to an effluent treatment plant. This helps reduce the consumption of freshwater and the need for treating wastewater.

The upgraded evaporation plant is designed to produce a stable, high-solids black liquor stream for efficient combustion in the recovery boiler. All condensates generated in the evaporation plant can be 100% re-used in other mill areas reducing the need for raw water.

The start-up of the upgraded plant is scheduled for April 2025.

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