Mechanical pulping articles

Insights Article

Klabin’s Puma II project delivers flexibility and performance

From start-up success to optimized performance, Klabin’s Puma II project showcases how integrated fiberline, BCTMP, and automation technologies can create a flexible and efficient board production platform. Together, Klabin and Valmet have built a solution that delivers operational reliability, high product quality, and long-term competitiveness in the packaging board market.

Chemical pulping Cooking and fiber line Mechanical pulping Pulp
Insights Article

Elevating fiberboard production efficiency with Valmet Gap Optimizer

Valmet has taken a significant step forward in defibrator control. The Valmet Gap Optimizer is a state-of-the-art system that delivers more uniform fiber quality, improves safety, enhances process efficiency, and creates opportunities for notable energy savings in fiberboard production.

Fiberboard Refining and grinding Mechanical pulping Defibrator system
Insights Article

JK Paper commissions Valmet BCTMP plant at CPM Songadh

JK Paper has successfully commissioned a Valmet-powered 400 ADMT/day BCTMP plant at CPM Songadh, boosting advanced pulp production capabilities. 

Mechanical pulping Pulp
Insights Article

Liansheng BCTMP line 1 in phase 2 started up

On September 3, 2025, at 10:20 a.m., Liansheng Paper (Zhangzhou) Co., Ltd. successfully commissioned line 1 of Phase 2 of its bleached chemi-thermomechanical pulp (BCTMP) project.

Pulp Mechanical pulping Chip washing Impregnator Preheater Screening and cleaning Washing TwinRoll press Customer industries
Insights Article

Stora Enso Oulu mill celebrates inauguration

In August 2025, Stora Enso celebrated the inauguration of the largest and most modern consumer packaging board production line in Europe. Valmet delivered bleached chemi-thermo mechanical pulp (BCTMP), evaporation and non-condensable gas (NCG) technology for this phase of the project. Earlier Valmet delivered a recovery boiler rebuild and electrostatic precipitators and an extensive paper machine grade conversion rebuild to the same site.

Pulp Mechanical pulping Evaporators Mill wide NCG handling
Insights Article

Liansheng BCTMP line 2 in Phase 2 Starts Up

Liansheng Pulp & Paper (Zhangzhou) Co., Ltd. announced that bleached chemi-thermomechanical pulp, BCTMP, line 2 in phase 2 of the Liansheng Zhangzhou project was successfully started up on July 11, 2025.

Pulp Mechanical pulping Refining and grinding TwinRoll press Refining
Insights Article

Do you know how to keep your wash press in perfect shape throughout its entire lifecycle?

Valmet is the one-stop-shop for all wash press related services regardless of the brand – be it spare parts or consumables, services such as shutdown planning, roll reconditioning, or maintenance services, or various upgrade or improvement projects boosting performance, safety or sustainability.

Chemical pulping Cooking and fiber line TwinRoll press Pulp Washing Spare parts Mechanical pulping Spare parts Washing Availability / reliability Lifecycle management
Insights Article

Reaching new heights in efficiency and stability

Sun Paper’s Beihai mill reaches new levels of production with the start-up of new bleached chemi-thermomechanical pulp (BCTMP) and bleached hardwood kraft pulp (BHKP) lines, and a Valmet Recovery Boiler.

Pulp Mechanical pulping
Insights Article

Pulping and biorefinery piloting from lab tests to industrial-scale production

Pulping and biorefinery companies can benefit from utilizing Valmet’s piloting capabilities, ranging from comprehensive laboratory-scale to industrial-scale trials, to test new raw materials or pulping and biomass pretreatment processes, for example.

Pulp Pulp drying Mechanical pulping Chemical pulping Biofuels and biomaterials
Insights Article

Thomas Granfeldt awarded the Arne Asplund Award at IMPC 2024

Professor Thomas Granfeldt was awarded the 2024 Arne Asplund Award at the International Mechanical Pulping Conference (IMPC). The conference was arranged between May 27-29 in Sundsvall, Sweden and was joined by industry experts and researchers from across the globe.

Pulp Mechanical pulping
Insights Article

Arne Asplund Mechanical Pulping Award 2024

The Arne Asplund Mechanical Pulping Award 2024 has been granted Professor Thomas Granfeldt.

Mechanical pulping Pulp
Insights Article

Update your equipment to be as good as new – and even better

Have you ever thought that rusty old refiner of yours could be as good as new – and even better? Well, it’s possible! At Valmet, we offer Workshop services for stock preparation and recycled fiber that enable your existing and old process devices to be updated to today’s technology standards, while keeping them compatible with your production line. You will benefit from better performance and cost-effective end-product quality.

Stock preparation Maintenance Improvements Stock preparation systems Availability / reliability Services Sustainability / CO2 reduction Maintenance and operations Screening and fractionating Approach flow system
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