Conversion project almost completeNew Brunswick New Brunswick, province, Canada
New Brunswick, province (2001 pop. 729,498), 28,345 sq mi (73,433 sq km), including 519 sq mi (1,345 sq km) of water surface, E Canada. from northern bleached hardwood kraft (NBHK) market pulp to dissolving pulp output.
"The null's been shut down for the last week and we expect to have it done on August 15, when we will be charging the digesters up to make dissolving pulp," AV Group president/CEO Peter Vinall told PPI (1) (Pixels Per Inch) The measurement of the resolution of a monitor or scanner. For example, a monitor that is 16 inches wide and displays 1600 pixels across its width would have a resolution of 100 ppi (1600 divided by 16). Pulp & Paper Week.
The conversion allows the mill to produce 190,000 tonnes/yr of viscose vis·cose
1. A thick, golden-brown viscous solution of cellulose xanthate, used in the manufacture of rayon and cellophane.
2. Viscose rayon.
2. staple dissolving pulp mostly for parent company Aditya Birla Group's plants in Asia. The C$90 million conversion project, which was delayed several times due to construction and redesign issues and first revealed in late 2005, comes after AVCeIl increased its stake in two Canadian mills to 95% from jointventure partner Tembec for C$9 million in April (P&PW, April 18, p. 2). The other mill is a 119,000-tonne/yr dissolving pulp mill A pulp mill is a manufacturing facility that converts wood chips or other plant fiber source into a thick fiber board which can be shipped to a paper mill for further processing. in Atholville, NB.
Nackawic's swing to dissolving pulp comes at a time when AV Cell's parent company is consuming large volumes of the grade at its viscose plants in India, Thailand, Indonesia, and China to make textiles and clothing, and several greenfield production plants that are in the pipeline. Vinall said Nackawic's conversion is part of Birla's plan to become a fully integrated company.
"Birla is very much focused on integration, from the planting of trees here in New Brunswick to putting garments on the shelves of Europe. So they operate all the way through that value chain, " Vinall said.
Nackawic's conversion includes several areas designed to increase the mill's efficiency and reduce costs including upgrades to the recovery boiler Recovery boiler is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. , two new digesters, and a new continuous digesting process that Vinall said is more advanced, with black liquor Black liquor is a byproduct of the Kraft process, (also known as Kraft pulping or sulfate process) during the production of paper pulp. Wood is decomposed into cellulose fibers (from which paper is made), hemicellulose and lignin fragments. displacement systems that are to provide fiber yield advantages over conventional digesters.
Nackawic was previously listed as a 263,000-tonne/yr NBHK mill, and its swing away from the grade removes tonnage from the market.
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|Publication:||Pulp & Paper|
|Date:||Sep 1, 2008|
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