Posts Tagged ‘sulfite process’
Filed under: Specialty Cellulose Production
What Are Digesters?
by Trevor J. Murphy on Aug 4th, 2010
At the beginning of the month, Fortress Paper Ltd. announced the purchase of equipment that would be necessary to begin the conversion of the Thurso hardwood pulp mill into a dissolving pulp specialist. Acquired from Finnish company Stora Enso Oyi Cellulose Inc., three digesters (as well as several other pieces of specialized processing equipment) began their journey from Finland to Thurso, Quebec this week. So what are digesters and why ar...
Filed under: NBHK Production
The Difference Between NBHK Pulp and Dissolving Pulp
by Trevor J. Murphy on Jul 22nd, 2010
When Fortress Specialty Cellulose (FSC) re-started the mill at the site in Thurso, Quebec, they couldn’t just jump into the dissolving pulp game. Since deriving dissolving pulp (or specialty cellulose) entails different pulping processes, equipment upgrades, and general production line changes had to be implemented first. In the meantime, FSC has restarted the mill as a northern bleached hardwood kraft (NBHK) pulp mill, resuming operations a...