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Disscuss the advantages adn disadvantages of different methods of solid waste disposal
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Discuss the advantages and disadvantages of methods used to treat solid wastes
Waste is something that has no value and as a result requires disposal. Sources can include mining, industry and domestic waste and if left untreated or poorly treated can cause pollution, being both hazardous and toxic.
Under the 1990 environmental protection act, the underlying principle is that the polluter pays. Industries causing pollution must get a licence for disposal and must have a duty of care. If they cause excessive pollution then the industry in question must pay the costs to remove the pollutants and clean the area back to its former state. They will also have to pay a landfill tax however grants and subsides to develop anti-pollution equipment are in place.
There are 4 main methods of solid waste disposal and these include landfill and land raising, incineration and pyrolysis, chemical treatment and encapsulation/vitrification.
Land raising is where pre-dug holes in the ground are filled with rubbish. Landfill on the other hand has the bottom of the pit lined with layers of compacted clay or high density plastic, which is a major advantage in reducing leachates. The waste is then compacted by
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