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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 ...
A roll of kraft paper. Kraft paper or kraft is paper or paperboard (cardboard) produced from chemical pulp produced in the kraft process. Sack kraft paper (or just sack paper) is a porous kraft paper with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability. [1]
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]
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 ...
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.
The Navigator Company (formerly known as Portucel Soporcel Group) is a Portuguese pulp and paper company.. The Navigator Company has a productive capacity of 1.6 million tonnes of paper and 1.4 million tonnes of pulp, [9] with 1,380 km 2 of forest, and an annual turnover of over €1.5 billion (US$1.9 billion).
The Great Lakes Paper Company was the operator of the largest and most modern pulp and paper manufacturing facility in the world. The Company employed over 4,000 in Northern Ontario, starting in 1924 as a pulp mill at Fort William, Ontario (now Thunder Bay, Ontario Canada). Great Lakes had a highly developed social network within the company ...