Search results for “pulp washing”

Successful start-up at Sun Paper’s Beihai Mill in China

Bright news from Sun Paper’s Beihai mill in China. At noon on the 6th of December 2021, Sun Paper’s new fiber line was successfully started up and produces bleached pulp.

A sustainable star in South Africa

Paper and pulp producer Sappi has been producing high-quality dissolving wood pulp at its Ngodwana mill in South Africa since 2013. Valmet’s unique dissolving fiber line concept resulted in a flexible and sustainable solution.

Liansheng Pulp and Paper gives Valmet’s BCTMP lines perfect scores

Smooth startups, low energy costs and very clean, high-bulk pulp are greatly appreciated by the mill.

Breaking records from the start of the lifecycle

In March 2022, after Sun Paper took over Nanning project’s existing assets, it embarked on comprehensive upgrades and transformations. Valmet supplied the second-phase pulp line’s digesting, washing, screening, and bleaching sections, focusing on producing high-quality bleached hardwood kraft pulp.

Successful start-up of Sun Paper Nanning

On September 27, Sun Paper (Nanning) Co., Ltd. Announced the successful start-up of its Phase II chemical pulp production line. The process, from initial chip feeding to finished pulp reaching the storage, was completed in just 22.5 hours, achieving a brightness level of 85.8%.

Getting more from less in pulp production

Global megatrends are driving toward carbon neutrality, resource efficiency and circularity, thus increasing the demand for renewable materials. Already today the modern pulp mills meet most of the sustainability goals including carbon neutrality – but we can do more to meet the future needs.

Controlling sulfidity in a modern kraft pulp mill, case study

Creating valuable side streams from the kraft pulping process can disturb the sodium sulfur balance. Valmet has expanded the sulfidity control toolbox with a process to oxidize sulfur containing CNCGs to relatively concentrated sulfuric acid. A white paper describes the first full-scale plant using this process.

What’s next for state-of-the-art bioproduct mill?

Pulp mills have not had the best of reputations over the years. Looking back to my childhood in the 1970s, some of that infamy is merited, but we can all be proud of the industry today and the improvement of environmental performance alongside raw material and energy efficiency.

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.

Even better pulp and yield at Smurfit Kappa Piteå

Pulp with higher quality, combined with increased yield from the wood raw material, is now a reality for Smurfit Kappa at its mill in Piteå, Sweden. The cooking process technology from Valmet played an important role in the successful rebuild project.