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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 ...
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 ...
[3] [4] It was also used to track linerboard prices as an economic indicator. [5] The magazine was part of Magazines for Industry Inc. [6] [7] In 2009 Mark Arzoumanian was the editor-in-chief of the magazine. [8] The headquarters was in Chicago. [7] [8] The magazine was acquired by RISI in May 2012.
Rumford Mill is a pulp mill and paper mill located in the United States town of Rumford, Maine. The mill has two kraft pulp lines and three paper machines. The mill produces 460,000 tonnes of kraft pulp and 565,000 tonnes of paper annually. The mill has 621 employees as of 2016. [1]
Crofton Mill is a pulp mill and paper mill located in the Vancouver Island town of Crofton, British Columbia. The mill has 3 paper machines (only 2 are operational) and 2 pulp machines, which produce 349,000 tonnes of newsprint and directory paper , and 355,000 tonnes of northern bleached softwood kraft .
Catalyst Paper Corporation is a pulp and paper company based in Richmond, British Columbia. It operates five pulp mills and paper mills, producing a combined 1.8 million tonnes of paper and 491,000 tonnes of market pulp annually. The mills mostly produce magazine paper and newsprint.
The invention of the recovery boiler, by G.H. Tomlinson in the early 1930s, [12] allowed kraft mills to recycle almost all of their pulping chemicals. This, along with the ability of the kraft process to accept a wider variety of types of wood and to produce stronger fibres, [13] made the kraft process the dominant pulping process, starting in ...