3 Significant Waste Disposal Methods in UK With massive waste produced everyday all over the world, its disposal and reducing the same has been a concern for decades now. Though improvements have been made in rubbish disposal methods by waste removal services, UK, they should also be well adopted by the citizens.
Landfill ď‚—
Each year approximately 111 million tonnes, or 57%, of all UK of controlled waste namely household, commercial and industrial waste are disposed of in landfill sites in UK. Some waste from sewage sludge is also dumped in landfills, along with rubbish from mining and quarrying.
Incineration ď‚—
Incineration is the second most common method of waste disposal. In UK alone, approximately 5% of household waste, 7.5% of commercial waste, and 2% of industrial waste is disposed of by this process. A large amount of energy is given off when burning waste. Recent incinerators use this energy to generate electricity and hence prevent energy from being wasted.
Anaerobic Digestion ď‚—
This is a more sustainable method where waste is decomposed in a similar manner as in landfill sites, but in enclosed chambers. An oxygen-free environment is required for anaerobic digestion to take place.
Pyrolysis ď‚—
This is a morerecent method used by waste removal service, UK, which heats organic waste without oxygen to produce carbonaceous char, oils and combustible gases. To degrade the waste materials low temperatures of about 400-800°C are used.
Gasification
Though similar to pyrolysis, higher operating temperatures are used, with 800-1100°C for air gasification, and 1000-1400°C with oxygen.
Composting ď‚—
The waste removal service, London, is encouraging composting as the stabilised product can be added to soil to improve soil structure, and also act as a fertiliser and mulch. Organic waste, such as food or gardenwaste may be biodegraded by composting.
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