In 2012, 1.75
billion mobile phones were sold all over the world (Tech Review—Motorola a
ringer in cellphone sales). This is just the number in 2012. And it is not hard
to image that the total number of cellphone sales in 2014 will be a huge
number. The table below shows the worldwide smartphone sales to end users by
Vendor in 2014 (Thousands of Units).
Table
1
Source:
Gartner (March 2015), Results for Lenovo include sales of mobile phones by
Lenovo and Motorola.
With the development
of cellphone technology, most consumers bought a new one to replace the old
one. Thus, the substituted cellphone become a serious problem to the
environment. These electronic wastes consist of many heavy metals and plastic. It
will have great impact on environment such as soil pollution, water pollution. Due
to this situation, it is necessary to do something to solve this problem.
There are many ways that mobile phone may
generate contamination. The first is in the process of produce mobile phone. And
the main contaminations are PCB and the battery. Secondly, the main problem is
the waste battery. A battery in one cellphone will pollute more than 60,000
liter fresh water. In addition, circuit board also has huge impact on the
environment. Because there are many kinds of corrosion and poisonous materials
in the circuit board, it is hard to recycle or degrade. Moreover, with the development
of smartphone technology, the contamination shows some different characters in
this decade.
1.
Because smartphone becomes much smaller than before, so that it will be easily thrown
into household waste rubbish bin. After the process of incineration, it will
impact on the air environment.
2.
If the mobile phone waste is put into landfill, then the landfill leachate will
influence the soil. This will be a series of problems which finally affect the
human health.
Although
there are many problems are caused by mobile phone waste, it cannot stop
consumers to buy new one. Thus, to recycle and reuse these electronic waste
become an important method. Firstly, to recycle the heavy metal in the electronic
waste can generate a handsome profit. These kinds of heavy metal can be reused
in other product. Secondly, the mobile phone shell also can be recycled. Thirdly,
the most important part is battery. The nickel, copper, cobalt, neodymium,
lithium, aluminum and iron can be recycled from mobile phone battery. Thus,
recycling the mobile phone battery not only can obtain environment benefits,
but also can get great profit in business.
To sum up, because of the potential damage to
the environment caused by mobile phone waste, it is necessary to build a
specific recycle system to recycle this kind of waste. Due to the current
recycle system and factories cannot meet the increasing mobile phone waste, the
government should encourage companies to build more recycle factories. In
addition, the policy also need to be set up as well.
Reference:
Reference:
[1] Sereda PJ. CBD-115. Performance of building
materials. Canadian Building Digest, National Research Council Canada, 1969.
[2] Hutcheon NB. CBD-48 Requirements for exterior walls. Canadian Building Digest, Canada Research Council, 1963.


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