Customer case:

Double A Alizay SAS’s recovery boiler conversion

Double A Alizay SAS’s recovery boiler is getting a new life by being converted into a biomass-fired BFB boiler.

“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 very efficient and cost-saving way to modernize and prolong the lifetime of high-capex plants to serve the customers’ future needs.”
Jouko Kylänpää, Director, Rebuilds and Conversions, Pulp and Energy business line, Valmet
Summary
Location Double A Alizay mill, France
Solution

Converting the existing recovery boiler into a biomass boiler utilizing bubbling fluidized bed combustion technology (BFB).

Complete Valmet DNA automation system for the power plant, including steam network optimization with the paper mill.

Results Producing steam and electricity from biomass at the existing power plant.
Keywords Rebuilds and conversions, Energy, Europe
Technical data
Steam 163 MWth
58 kg/s
62 bar
460°C
Fuels Wood chips, bark, recycled wood
Start-up 2020

A recovery boiler is reborn

Double A Alizay SAS’s recovery boiler is getting a new life by being converted into a biomass-fired BFB boiler.

Process and automation upgrades

High-yield, low-cost rebuilds and upgrades can help you stay competitive, achieve environmental goals and increase the service life of your assets at costs far below those of new construction.