Wood
(pun intended!) you believe paper is made from trees? It’s true! Let’s
take a look at how trees are turned into all sorts of paper.
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers.
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers.
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
Paper Process
Paper is made from one of Earth's greatest renewable resources-trees.
We use two raw materials to create our newsprint and publishing papers:
wood chips and recycled newspapers and magazines. Residual wood chips,
which remain after sawmills have optimized the cutting of logs into
lumber, are sent to our Longview.
Thermo Mechanical Pulp
The wood chips undergo a modern process called thermo mechanical pulping, which creates a high-yield pulp that is 100 percent more efficient than pulp derived from the conventional kraft process. This method softens the chips with steam and separates them into fibers using two large counter-rotating disks.Recycled Paper
Recycled newspapers and magazines are sorted in a large rotating drum to remove any plastic, glass, and metal. Water is added and the material becomes pulp slurry. To remove old ink, the pulp slurry is put in a state-of-the-art flotation tank and tiny air bubbles are injected. The ink particles float to the surface and are skimmed off. The pulp is then washed and the water is squeezed off before hydrogen peroxide is added to make the pulp whiter.Producing Paper
Pulp slurry is still 99 percent water. To create paper, the slurry is sprayed onto large moving screens that form a continuous sheet and moisture is removed using presses and steam dryers, reducing the water content to about 8 percent. At this point, the material looks and feels like the paper you expect. It is then wound on a reel and transferred to an overhead crane, which takes it to a winder. The paper is rewound onto smaller rolls and cut into specified widths for each customer. After being wrapped and labeled with customer information, the paper is ready to ship to publishers and printers throughout North America, Japan, and the rest of the world.Distribution
NORPAC paper is a sound environmental choice. It comes from a natural, renewable resource and is recycled and reused time after time. In fact, you could receive some of the same wood fiber in your daily newspaper as many as 10 times.
Wood
(pun intended!) you believe paper is made from trees? It’s true! Let’s
take a look at how trees are turned into all sorts of paper.
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
Wood
(pun intended!) you believe paper is made from trees? It’s true! Let’s
take a look at how trees are turned into all sorts of paper.
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers.
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
If you look at a tree, you might have a hard time imagining how something so tall and strong could be turned into something as thin and weak as a sheet of paper. The process begins with the raw wood, which is made up of fibers called “cellulose.”
The cellulose fibers are stuck together with a natural glue called “lignin.” When the lignin is removed and the cellulose fibers are separated and reorganized, paper can be made.
It’s also possible to make paper from a variety of other types of plant fibers, such as cotton, flax, bamboo and hemp. For example, cotton fibers are often used to make the paper that money is printed on. The overwhelming majority (about 95 percent) of the raw material used to make paper, though, comes from trees.
To make paper from trees, the raw wood must first be turned into “pulp.” Wood pulp is a watery “soup” of cellulose wood fibers, lignin, water and the chemicals used during the pulping process.
Wood can be turned to pulp in a couple of different ways. Mechanical pulping involves using machines to grind wood chips into pulp.
The resulting pulp retains most of its lignin, though. The short fibers created by grinding leads to weak paper most suitable for newsprint, phone books or other types of low-strength papers.
The more commonly used method is chemical pulping, also known as “kraft.” Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers.
Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. Papermakers use a variety of chemicals to bleach pulp to the color they want.
Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basics) to the process first used by the ancient Chinese more than 1,900 years ago. Because the pulp mixture is so watery (sometimes as much as 99 percent water!), the cellulose fibers need to be separated from the watery mixture.
Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. The mat of pulp then goes through several processes to remove water and dry it out.
Finally, the mat is run through heated rollers to squeeze out any remaining water and compress it into one continuous roll of paper that can be up to 30 feet wide.
When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength or water resistance. As a last step, the paper rolls are cut to size and packaged for shipping to other facilities for additional processing to turn it into all sorts of specialized papers.
- See more at: http://wonderopolis.org/wonder/how-do-you-make-paper-from-a-tree/#sthash.flKWlMj0.dpuf
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