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Chemical pulping articles

Explore our innovative solutions and advancements in chemical pulping through a collection of insightful customer stories and articles.

Sunila makes the most out of lignin

Stora Enso’s Sunila Mill produces kraft lignin with Valmet’s LignoBoostTM technology. In 2018, Stora Enso launched their dry lignin product, LineoTM by Stora Enso, which is an excellent alternative to fossil-based materials.

Recovery boiler performance optimization with simulation

The Valmet Recovery Boiler Combustion Diagnostics application provides valuable information about how the combustion process is actually happening.

Lignin Upgraded - new lignin qualities

Valmet’s LignoBoost process has been developed further and new process concepts can tailor the extracted lignin into different qualities. This gives new options for kraft pulp mills to go into new businesses.

Rising to the challenge to limit emissions

To meet the new, very tight NOx emission limits for its recovery boilers, Sun Paper turned to Valmet to deliver a DeNOx scrubber for recovery boiler.

New solution for making sulfuric acid at the pulp mill

Valmet supplied a sulfuric acid plant to Metsä Group's bioproduct mill in Äänekoski for in-house sulfuric acid production.

The next generation bioproduct mill

Metsä Group’s new bioproduct mill takes pulp production to a new level. In the mill, every single bit of the wood raw material and production side streams are utilized to achieve maximum material and energy efficiency.

Consistent pulp quality optimizes the process

Cleaner pulp, higher, more consistent quality and reduced maintenance. These are some of the results since SCA’s liner mill in Obbola brought its new cooking plant into operation in 2015.

A successful project with innovative customized solutions

A challenging project became a resounding success, thanks to meticulous planning, follow-up and consensus in the project team. Innovative customized solutions made it possible to dismantle the old filters and install a new wash press in the existing premises rapidly and smoothly.

Irving leaps forward with Valmet CompactCooking

When Irving Pulp and Paper of Saint John, New Brunswick, on the Atlantic coast of Canada, started up its new continuous pulping operation in March, 2016, it was a milestone in the Canadian pulp and paper industry. The two-phase modernization project for the bleached kraft pulp mill represented the largest investment in the Canadian industry since 1993.