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This pulp grade is very diverse. All NBSK pulps have long fibers and is often used as reinforcement pulp. [1] NBSK from British Columbia is mainly from Lodgepole Pine, with a significant amount of White Spruce. Redcedar, douglas fir, hemlock, and larch make up a smaller portion of the chip furnish. NBSK is known for having longer fiber lengths ...
The kraft process (also known as kraft pulping or sulfate process) is a process for conversion of wood into wood pulp, which consists of almost pure cellulose fibres, the main component of paper. The kraft process involves treatment of wood chips with a hot mixture of water, sodium hydroxide (NaOH), and sodium sulfide (Na 2 S), known as white ...
The United States is one of the biggest paper consumers in the world. Between 1990 and 2002, paper consumption in the United States increased from 84.9 million tons to 97.3 million tons.
In 2005, elemental chlorine was used in 19–20% of kraft pulp production globally, down from over 90% in 1990. 75% of kraft pulp used ECF, with the remaining 5–6% using TCF. [31] Most TCF pulp is produced in Sweden and Finland for sale in Germany, [31] all markets with a high level of environmental awareness. In 1999, TCF pulp represented 25 ...
In 1956, the company changed its name to Georgia-Pacific Corporation. In 1957—led by new president Robert B. Pamplin (who would lead for two decades) [4] —the company entered the pulp and paper business by building a kraft pulp and linerboard mill at Toledo, Oregon. This was the only pulp and paper mill that the company ever built. [5]
In 1911, Consolidated took over the nearby Biron mill from the Grand Rapids Pulp and Paper Co., which became the Biron Division. [4] [5] In 1916, it absorbed the Interlake Pulp & Paper Company of Appleton, which became the Interlake Division. [5] In 1918, the company built a hydroelectric dam at Stevens Point, adding paper machines in 1919. [5]
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Absorbent kraft paper is made with controlled absorbency (i.e. a high degree of porosity). It is made of clean low kappa hardwood kraft and has to have a good uniformity and formation. Spinning kraft paper is an especially strong type of kraft paper with relatively low grammage (40 g/m 2). This paper requires the best possible machine direction ...