what are the byproducts of paper?
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Paper sludge, also known as paper fibrous biosolids, is the largest byproduct from pulp and paper industries. It consists of unusable small fibers, inks and dyes, clay, glues and other residues, and along with the chemicals used in the recovery process.
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The wood fiber can be fresh fiber or recycled from waste paper. Many paper towel manufactures note that, yes, they do indeed manufacture paper towels from trees (not a shock) – I think we can all agree that most paper products come from trees.
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['The listed chemical elements form the basic organic substances: cellulose, lignin and hemicelluloses.', 'Cellulose is a natural polymer, a polysaccharide with a long chain molecule. ... ', 'Lignin is a polymer of an aromatic nature (polyphenol) of complex structure; contains more carbon and less oxygen than cellulose.']
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Chemical pulp is produced by combining wood chips and chemicals in large vessels called digesters. There, heat and chemicals break down lignin, which binds cellulose fibres together, without seriously degrading the cellulose fibres.
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Two main chemicals found in most paper towels are Chlorine and Formaldehyde. Chlorine is quite commonly used to make the paper towel white in colour. The by-products of using Chlorine for bleaching are toxins such as dioxin and furans, which are known to be extremely dangerous to the human body.
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Toilet paper is generally made from new or "virgin" paper, using a combination of softwood and hardwood trees. ... Toilet paper is generally a combination of approximately 70% hardwood and 30% softwood. Other materials used in manufacture include water, chemicals for breaking down the trees into usable fiber, and bleaches.
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Modern parchment paper is made by running sheets of paper pulp through a bath of sulfuric acid (a method similar to the way tracing paper is made) or sometimes zinc chloride. This process partially dissolves or gelatinizes the paper.
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Are EcoCraft® products compostable? Yes, in most cases paper is compostable because it is made from the cellulose fibers of a tree or other natural fiber source.
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There are many foods that are obviously byproducts, such as steak, roasts and hamburgers. Another more obvious product is milk and other dairy products, such as butterand yogurt. Name some food products that come from animals. Meat, beef, beef jerky, hotdogs, lamb chops.
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Yes, like most paper-based products, paper napkins make good compost ingredients. Paper napkins would be considered brown compost matter (source of carbon). There may be a couple of situations, however, when you might want to avoid using paper napkins in the compost heap.
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Paper is a thin sheet material produced by mechanically and/or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distributed on the surface, followed by pressing and drying.
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Paper cups are made from wood chips. The chips are turned into wood pulp, which is mashed into paper. The Royal Society of Chemistry estimates 33 grams of wood and bark go into each paper cup. The pulp is bleached using chlorine, sodium hydroxide and other chemicals.
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The Toilet Paper Encyclopedia explains, “Many pulp and paper mills use chlorine-based chemicals to bleach pulp white. These chemicals react with organic molecules in the wood and other fibers to create many toxic byproducts, including dioxin.
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Physical properties of paper sheets are determined by basis weight, thickness, density, two-sidedness, smoothness, permeability, handle, rigidity, roughness, and porosity, which in turn affect sheet properties of softness, hardness, compressibility, dimensional stability, curl, and strength (Casey 1980; Bolam 1962).
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The manufacture and disposal of paper and cardboard products can impact the environment through: ... Landfill – discarded paper and cardboard uses scarce landfill space. As paper breaks down it contributes to leachate that can contaminate groundwater, while also generating the potent greenhouse gas methane.
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Parchment paper. Modern parchment paper is made by running sheets of paper pulp through a bath of sulfuric acid (a method similar to the way tracing paper is made) or sometimes zinc chloride. This process partially dissolves or gelatinizes the paper.
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Two main chemicals found in most paper towels are Chlorine and Formaldehyde. ... The by-products of using Chlorine for bleaching are toxins such as dioxin and furans, which are known to be extremely dangerous to the human body.