Energy-efficient pulp & paper dryer
Choosing the right pulp dryer is vital to maximizing product quality, reducing energy use and turning residues into valuable resources. The ExergyPSSD® dryer uses superheated steam for gentle, efficient drying of pulp, bark, and sludge in modern paper mills.
The ExergyPSSD® dryer uses superheated steam to gently and efficiently dry pulp, bark, and sludge—boosting quality, cutting energy use, and turning waste into value.
Why the right pulp and paper dryer matters
Pulp and paper production is energy intensive, and conventional air dryers often come with high operating costs, emissions and quality variations. At the same time, mills are under pressure to improve fiber strength, reduce transport volumes and make better use of by-products and residues.
An energy-efficient pulp and paper dryer helps you stabilize quality and moisture content while freeing up energy that can be reused elsewhere in the mill. With the right technology, you can dry both pulp and sludge in one integrated solution and support your decarbonization strategy at the same time.
ExergyPSSD® for pulp and paper applications
Our first ExergyPSSD® superheated steam dryer for the pulp and paper industry was installed in 1979 at Rockhammar Pulp Mill for drying fluff pulp, and it is still in operation today after capacity upgrades, proving the long-term reliability of our technology in demanding mill environments.
ExergyPSSD® is a pressurized, closed-loop superheated steam dryer where wet pulp or other fibrous material is introduced into a flow of steam that quickly vaporizes the moisture within seconds, the dried product is separated in a cyclone, and the excess steam is recovered and reused as energy for process heating, evaporation, electricity or district heating, all without emissions to the atmosphere or risk of fire or explosion thanks to the oxygen-free system.
Superheated steam drying delivers precise and uniform moisture across the pulp, which improves fiber strength, overall product quality and storage lifetime. The gentle, oxygen-free process also helps prevent oxidation and discoloration, so your fluff pulp and other grades keep consistent quality and perform reliably in downstream processes.
- Precise and uniform moisture across the pulp
- Improved fiber strength and bulk for premium applications
- Reduced risk of oxidation, discoloration and product claims
- Longer storage lifetime and lower transport costs
Our pulp and paper dryer is a key step in the mill, helping you improve efficiency and turn residues into value while supporting your sustainability goals.
- Drying fluff pulp before baling and packing
- Drying bark, sawdust and ground wood pulp as biofuel feedstock
- Drying paper sludge and other residues for use as fuel or raw material
- Integrating with biomass boilers and energy recovery systems
Instead of treating sludge and other wet residues as waste, you can dry them and use both the material and the recovered steam for process or district heating, reducing costs and creating new revenue streams.
In the ExergyPSSD® superheated steam dryer, the moisture removed from the wet pulp is turned into steam and reused as the drying medium in a closed, pressurized loop, so a large share of the energy input can be recycled instead of being lost. This significantly reduces external heat demand while still giving you fast, gentle drying of paper pulp within just a few seconds and a more cost‑efficient overall process.
The compact, vertical design makes it easy to integrate ExergyPSSD® into new or existing pulp and paper lines, where the recovered steam can be redirected to other operations in the mill to cut fuel consumption and operating costs, while higher dryness reduces weight and volume and lowers transport costs.
The ExergyPSSD® operates in an oxygen‑free environment with no emissions to the atmosphere, which means there is no need for flue gas stacks, VOC or odor treatment and no fire or explosion protection systems. This cleaner, closed‑loop design improves workplace safety, simplifies environmental compliance and helps your mill meet decarbonization and sustainability targets without compromising on performance.
Superheated steam drying delivers precise and uniform moisture across the pulp, which improves fiber strength, overall product quality and storage lifetime. The gentle, oxygen-free process also helps prevent oxidation and discoloration, so your fluff pulp and other grades keep consistent quality and perform reliably in downstream processes.
- Precise and uniform moisture across the pulp
- Improved fiber strength and bulk for premium applications
- Reduced risk of oxidation, discoloration and product claims
- Longer storage lifetime and lower transport costs
Our pulp and paper dryer is used in several key steps in the mill, helping you improve efficiency and turn residues into value while supporting your sustainability goals.
- Drying fluff pulp before baling and packing
- Drying bark, sawdust and ground wood pulp as biofuel feedstock
- Drying paper sludge and other residues for use as fuel or raw material
- Integrating with biomass boilers and energy recovery systems
Instead of treating sludge and other wet residues as waste, you can dry them and use both the material and the recovered steam for process or district heating, reducing costs and creating new revenue streams.
In the ExergyPSSD® superheated steam dryer, the moisture removed from the wet pulp is turned into steam and reused as the drying medium in a closed, pressurized loop, so a large share of the energy input can be recycled instead of being lost. This significantly reduces external heat demand while still giving you fast, gentle drying of paper pulp within just a few seconds and a more cost‑efficient overall process.
The compact, vertical design makes it easy to integrate ExergyPSSD® into new or existing pulp and paper lines, where the recovered steam can be redirected to other operations in the mill to cut fuel consumption and operating costs, while higher dryness reduces weight and volume and lowers transport costs.
The ExergyPSSD® operates in an oxygen‑free environment with no emissions to the atmosphere, which means there is no need for flue gas stacks, VOC or odor treatment and no fire or explosion protection systems. This cleaner, closed‑loop design improves workplace safety, simplifies environmental compliance and helps your mill meet decarbonization and sustainability targets without compromising on performance.