UNPRINTER

Researchers at the University of Cambridge in the UK have developed a method for removing laser-printed text from paper. It could mean devices used for security, recycling or both.

The technique worked by using the laser beam to apply the right level of heat for a mere four billionths of a second. It isn’t a case of the words dropping off the page: the heat vaporized the toner, with the resulting gas being captured in a filter. Allwood says the technique worked on a range of toners and does not damage the paper or leave it unable to “receive” toner in the future.

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Recycle Plastic 2

Type 2 Plastic – High Density Polyethylene (HDPE)

The acronym HDPE (high density polyethylene) is often used to refer to type 2 plastic. HDPE plastic is often used to make bottles for beverages with short shelf life, such as milk and juice. Because HDPE has good chemical resistance, it is also often used for containing household and industrial chemicals such as detergents and bleach. HDPE is also used to manufacture grocery and retain bags. HDPE plastic can be recycled into bottles for holding household chemicals such as detergent, shampoo, conditioner and even motor oil. Recycled HDPE plastic can also be made into pipes, buckets and bins, pens, flower pots, film and sheets, benches.

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Recycle Plastic 1

Type 1 Plastic – Polyethylene Terephthalate (PET, PETE)

Type 1 is PET and PETE or polyethylene. Such types of plastics are commonly used in water bottles. The acronym PETE (polyethylene terephthlate) or PET (poly ethylene terephthalate) are often used interchangeably, to refer to type 1 plastic. PET or PETE plastics are often used in soft drink bottles, as well as food and non-food containers, because of their good gas and moisture barrier properties. PET and PETE plastic can be recycled into carpet yarns, fiberfill, tote bags, food and drink containers, luggage and clothing.

 

 

 

 

 

 

 

 

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Recycling Plastic

Plastic bags are huge factor in unstable environment; but at the same time plastic bags are in used globally on a large scale for various purposes. They are manufactured from the low density polythene which is a non-biodegradable product. Although they can be degraded through photodegradation, the process involves release of small toxic products which are hazardous to the environment. Improper disposal of polythene bags and its non-biodegradable nature, thus, makes plastic a threat for the environment. When these plastic bags are deposited on the ground, it results in clog landfills. It is because of its inability to degrade plastic bags. Plastic bags when accumulated on water can become harmful to the marine life. So for all these reasons and many more recycling of plastic bags is mandatory. Recycling can also saves a lot of energy, as the process of manufacturing plastic bags demands a huge amount of energy. The process of recycling consumes 20%- 40% lesser energy for the production of new products. So it is win-win situation for everyone.

In addition to reducing the amount of plastics waste requiring disposal, recycling plastic can have several other advantages:

1.      Conservation of non-renewable fossil fuels - Plastic production uses 8% of the world's oil production, 4% as feedstock and 4% during manufacture.

2.      Reduced consumption of energy.

3.      Reduced amounts of solid waste going to landfill.

Reduced emissions of carbon-dioxide (CO2), nitrogen-oxide (NO) and sulphur-dioxide (SO2).

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