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Valmet to convert a recovery boiler into a biomass boiler at DA Alizay in France

Finland-headed forest industry and energy technology provider Valmet Oyj has announced that it has received an order from Biomasse Energie d'Alizay to convert an existing recovery boiler into a biomass boiler for combined heat and power (CHP) utilizing bubbling fluidized bed (BFB) combustion technology at the DA Alizay paper mill in France.

Aerial view of DA Alizay paper mill in Normandy, France (photo courtesy DA Alizay).

Aerial view of DA Alizay paper mill in Normandy, France (photo courtesy DA Alizay).

According to a statement, Biomasse Energie d’Alizay will start producing steam and electricity from biomass at the existing power plant. Although the value of the order has not been disclosed, Valmet indicates that typically, the value of this kind of order is in the region of EUR 20 million.

Biomasse Energie d’Alizay is a subsidiary of DA Alizay SAS, a French paper mill located in Eure, Normandy that belongs to Thai-headed Double A (1991) Public Co., Ltd. Employing about 180 people, the paper mill has an annual production capacity of 300 000 tonnes of paper.

Valmet’s delivery scope includes converting the existing recovery boiler into a biomass boiler utilizing bubbling fluidized bed combustion technology (BFB). Electricity production of the plant will be 50 MWe, and it will also produce process steam for the paper mill.

In addition, Valmet will deliver a complete DNA automation system for the power plant, including steam network optimization with the paper mill. The plant is expected to start in 2020.

Valmet is the leader in BFB conversion with more than 60 references over the past 30 years, including boilers initially manufactured by third parties. It is a very efficient and cost-saving way to modernize and prolong the lifetime of high-capex plants to serve the customers’ future needs, said Jouko Kylänpää, Director, Rebuilds and Conversions, Pulp and Energy business line, Valmet.

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