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The 100th latest generation Valmet Recovery Liquor Analyzer will be delivered to Domtar's Hawesville pulp and paper mill in the United States

Valmet will deliver the 100th latest generation Valmet Recovery Liquor Analyzer to Domtar's Hawesville integrated pulp and paper mill in the United States. Throughout the years, Valmet has supplied over 300 liquor analyzers to pulp mills.

The order is included in Valmet's orders received of the fourth quarter 2021. The value of the order will not be disclosed. The delivery will take place during the first quarter 2022.

The measurement will be used in the Valmet Causticizing Optimizer to increase cooking liquor strength which increases production efficiency and reduces operational costs throughout the plant's pulping process.

"We are excited to install this well proven technology at our mill. Our highly skilled operators have achieved good success over the years through manual optimization of the causticizing process. This technology will advance the process through more accurate and real time measurement and control resulting in an increase in production while lowering costs," says Murray Hewitt, General Manager, Domtar Hawesville Mill.

"Domtar has been a great customer who has seen the success of the Valmet Recovery Liquor Analyzer together with Valmet Causticizing Optimizer at several of its plants. We are eager to see the benefits that this project will bring for the Hawesville mill," says David Maddux, Regional Sales Manager, Automation, Valmet.

Technical details about the delivery

Valmet Recovery Liquor Analyzer measures green and white liquor chemistry according to laboratory standard. In addition to causticizing measurements and basis for optimization solutions, the analyzer provides tools to improve recovery boiler reduction performance with an online reduction degree measurement.

Based on the accurate measurements of the analyzer, Valmet Causticizing Optimizer maximizes green and white liquor concentrations, while eliminating scaling in the green liquor system and overliming in the causticizing process. Optimization leads to a high and stable quality of the white liquor, a higher production capacity, as well as reduced production costs at the causticizing plant and entire pulp mill.

Information about the customer Domtar

Domtar Corporation designs, manufactures, markets, and distributes a wide variety of fiber-based products including communication papers, specialty and packaging papers, and absorbent hygiene products. Domtar is the largest integrated manufacturer and marketer of uncoated freesheet paper in North America, and one of the largest manufacturers of pulp in the world. Domtar's integrated pulp and paper mill in Hawesville, Kentucky, produces fine specialty paper.


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