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Industrial shredder. This shredder is set up in line with a granulator, in order to reduce the size of the processed material more. An industrial shredder is a machine used to break down materials for various applications such as recycling, volume reduction, and product destruction. Industrial shredders come in many different sizes and design ...
These shredder designs can be high speed, medium speed and sometimes slow-speed systems, they always include hammermills of a vertical and horizontal shaft design, and can also include in contrast to hammer mills slow speed technology which are also used to process or shred metal and plastic and other waste materials encountered in the scrap ...
It is estimated that every year in EU nations nearly 3 million tonnes of automotive shredder residue (ASR) are generated. [2] While half of the waste which contains rubber, textiles and plastics can be transferred into alternative fuels or recycled, the remaining portion is primarily land-filled.
Shredders range in size and price. Small, inexpensive units are designed for a certain number of pages. Large, expensive units are used by commercial shredding services and can shred millions of documents per hour. While the smallest shredders may be hand-cranked, most shredders are electric.
Plastic recycling is the processing of plastic waste into other products. [1] [2] [3] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [4] [5] [6] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.
The main motivations have been either cost reduction (when oil prices spike) or recycle content of retail goods (driven by regulations or public opinion). An increasing amount is recycled back into bottles, the rest goes into fibres, film, thermoformed packaging and strapping. [ 1 ]
Production of 1 tonne (0.98 long tons; 1.1 short tons) of plastic cups emits 135 pounds (61 kg) of green house gases. The choice between paper cups and plastic cups has to do with the life of the item after use. A paper cup may biodegrade faster than a expanded polystyrene (EPS) foam cup or a plastic cup. In general cardboard or paper takes one ...
A quick-change system is commonly used with disc-type coated abrasives. A plastic or metal hub is bonded to one of the faces, which is threaded. This then mates directly to the sander or angle grinder or to a mandrel that can be mounted in a sander, grinder, or drill. The advantage is that the disc can be quickly replaced when needed.
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