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advantages and disadvantages of can crusher pdf
#1

A beverage can is a metal container designed to hold a
fixed portion of liquid such as a carbonated soft drinks,
alcoholic beverages, fruit juices, teas, herbal teas, energy
drinks, etc. Beverage cans are made of aluminium (75% of
worldwide production) or tin-plated steel (25% worldwide
production). Since we use aluminium so frequently (75% of
worldwide production) it is important to recycle
aluminium. Recycling aluminium not only helps to keep
the landfills clear but it also saves energy. Recycling 40
aluminium beverage cans saves the energy equivalent of
one gallon of gasoline. Using recycled material for new
aluminium beverage cans uses 95%less energy and
produces 95% less greenhouse gas emissions than making a
can from new materials. An aluminium beverage can, once
recycled, can be back on the store shelf in as little as 60
days. Aluminium produced from scrap uses only 5% of the
energy that producing aluminium from ore does. The
aluminium can today is the most recycled of any beverage
container. Aluminium is durable, flexible, lightweight,
strong and recyclable. 75% of aluminium ever produced is
still in use. Aluminium building components can be
repeatedly recycled back into similar products with no loss
of quality. 95% of aluminium in buildings is recycled [5].
Aluminium recycling is the process by which scrap
aluminium can be reused in products after its initial
production.
The process involves simply re-melting the metal, which
is far less expensive and energy intensive than creating new
aluminium through the electrolysis of aluminium oxide,
which must first be mined from bauxite ore and then
refined using the Bayer process.
Recycling scrap aluminium requires only 5% of the
energy used to make new aluminium. For this reason,
approximately 31% of all aluminium produced in the
United States comes from recycled scrap. Aluminium
doesn t occur naturally in the earth s crust, it has to be
extracted from its ore bauxite which is mined and then
melted in a very energy-intensive process. Although great
care is taken to rebuild the land after mining, changes do
occur as a result of mining that are detrimental to the
surrounding environment. It takes 80-100 years for
aluminium can to decompose. Compared to mining and
smelting, recycling aluminium drink cans is far less energy
intensive. Recycling aluminium requires only 5% of the
energy and produces only 5% of the CO2 emissions as
compared with primary production. A recycled aluminium
can saves enough energy to run a television for three hours.
More than 100 billion aluminium cans are sold in the
United States each year, but less than half are recycled. A
similar number of aluminium cans in other countries are
also incinerated. Aluminium cans are one of the easiest
materials to recycle. New drinks cans appear on the shelf
just six weeks after recycling. A single aluminium can is
said to, when recycled, saves about as much as oil as would
be poured into it to fill up.
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#2
Hi am y.venu kiran i would like to get details on advantages and disadvantages of can crusher pdf ..My friend Justin said advantages and disadvantages of can crusher pdf will be available here and now i am living at Tadepalligudem,west godavari district,534101.Iam studying final year mechanical in the college sasi institute of technology and engineering.I need help on advantages and disadvantages of hand operated can crusher.
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