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Mercer Rosenthal pulp mill in Germany orders Valmet Exergy Pre-evaporator to increase mill's energy, water efficiency; new system--set to start up in Q4 2025--will bring savings in feedwater treatment, allow mill to use more steam to produce electricity

November 13, 2024 (press release) –

Valmet will deliver a Valmet Exergy Pre-evaporator for the Mercer Rosenthal mill in Germany . The solution increases the mill's energy efficiency and brings savings in the feedwater treatment. The new system is planned to be taken into operation during the fourth quarter of 2025.

The order was included in Valmet's orders received of the third quarter 2024. The value of the order will not be disclosed.

"We wanted to find a solution to improve the energy efficiency of our continuous cooking plant. By installing this pre-evaporation system, we can improve both energy and water efficiency. By more efficient steam consumption we can use more steam for electricity production in our existing steam turbine," says Tobias Albert , Mill Manager for Mercer Rosenthal .

"We are pleased to continue our good cooperation with the Mercer Rosenthal mill. Valmet's equipment has a low footprint, is delivered fully assembled to the site, and has an outstanding lifetime. This solution proves how a pulp mill's sustainability can be improved with small investments," says Bernhard Trunk , Senior Sales Manager, Central Europe , EMEA, Valmet.

Technical information about the delivery

Valmet delivers the main Exergy Pre-evaporation equipment, engineering, procurement, and installation. The equipment is planned to be connected to the production process during the mill's annual shutdown in 2025.

"A partial stream of the hottest black liquor from the digester is directed to a falling film evaporator. The heating media for the falling film evaporator is medium-pressure steam, and the generated black liquor vapor is used to heat the digester. Since the medium-pressure steam condensate is no longer fed into the digester, it can be returned to the power plant at a high temperature. This, together with the higher dry solids content of the weak black liquor to the evaporation plant, creates the main savings effect," continues Mercer Rosenthal's Tobias Albert .


Valmet Exergy Pre-evaporator will improve the Mercer Rosenthal mill's energy and water efficiency.

About the customer Mercer

Mercer is one of the world's largest producers of market pulp and a growing leader in the solid wood products space. The company has facilities in North America , Europe , and Australia . In 2023, the company's total revenues were USD 2 billion . The Mercer Rosenthal mill produces about 360,000 tonnes of elemental and total chlorine-free NortheBleached Softwood Kraft (NBSK) pulp per year, 400,000 MWh of renewable electricity, and about 5,000 tonnes of crude tall oil per year.

VALMET
Corporate Communications

For further information, please contact:
Bernhard Trunk , Senior Sales Manager, Central Europe , EMEA, Valmet, tel. +49 173 308 0559
Fredrik Vedin , Product Sales Manager, Evaporation, Pulp and Energy, Valmet, tel. +46 70 645 2355

Valmet has a global customer base across various process industries. We are a leading global developer and supplier of process technologies, automation and services for the pulp, paper and energy industries, and with our automation and flow control solutions we serve an even wider base of process industries. Our more than 19,000 professionals around the world work close to our customers and are committed to moving our customers' performance forward - every day.

The company has over 220 years of industrial history and a strong track record in continuous improvement and renewal. Valmet's net sales in 2023 were approximately EUR 5.5 billion .

Valmet's shares are listed on the Nasdaq Helsinki and the head office is in Espoo, Finland .

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Valmet Oyj published this content on November 13, 2024 , and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on November 13, 2024 at 07:38:01.120.

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