Waste-to-energy (WtE) or Energy-from-Waste (EfW) is the process of generating energy in the form of electricity and/or heat
from the management of waste.
We are able to produce energy from waste and other fuels without direct combustion. These technologies have the potential
to produce more electric power from the same amount of fuel than would be possible by direct combustion.
Waste Management Process
Significant valuable recourses are created from the Waste Management Process.
1000 tons-per day of waste is processed at a typical large municipality.The operation's daily output, could be hundreds
of thousands Kilowatt hours, millions of gallons drinking water and millions of cubic feet of valuable hydrogen gas for
sustainable power generation.
Waste Management and its major trends
Waste to Energy is a real solution for a real need…
Using macroeconomic data from 30 Organisation for Economic Cooperation and Development (OECD) countries, it has been estimated that a 1% increase in national
income creates a 0.69% increase in municipal solid waste amount.
Amounts of waste are largely determined by two factors: first, the population in any given area, and second, its consumption patterns – which are controlled by the
evolution of Gross Domestic Product per Capita (GDP/c).
According to the UN, between now and 2025, the world population will increase by 20% to reach 8 billion inhabitants (from 7 billion today).
Moreover, by 2050, the total population will be around 9.5 billion, unless specific control measures are broadly adopted. If this becomes a reality then a population of 8-
8.5 billion in 2050 may be considered a successful stabilization of numbers.
Besides overpopulation, a remarkable increase in GDP/c especially in developing countries is on its way. In 2025, world production will have doubled in relation to 2005.
By 2050 the world production may again have doubled compared to 2025. The global average GDP/c around 2025 will be more or less one and a half times the current
one, and in a business-as-usual scenario it may be fourfold around 2050. Jeffrey Sachs1 has estimated that in developing countries the GDP/c will be around $40,000 in
2050, which is the same as the USA GDP/c in 2005! It also seems that we are living in a richer world where we will have higher actual numbers of poor people, but less in
terms of percentages.
Obviously, both the increase of the population and the remarkable growth of global GDP/c will drive an increase in waste volumes.
1 Jeffrey David Sachs is an American economist and Director of The Earth Institute at Columbia University.
Energy from Waste
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