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Waste-to-energy: Quiz


Question 1: Most WtE processes produce electricity directly through combustion, or produce a combustible fuel commodity, such as methane, methanol, ________ or synthetic fuels.
EthanolFlumazenilAlcoholic beverage1,4-Butanediol

Question 2: Waste-to-energy (WtE) or energy-from-waste (EfW) is the process of creating energy in the form of ________ or heat from the incineration of waste source.
Electric currentElectric chargeElectricityElectromagnetism

Question 3: Incineration may also be implemented without energy and materials recovery, however this is increasingly being banned in ________ (Organisation for Economic Co-operation and Development) countries.
NATOItalyOrganisation for Economic Co-operation and DevelopmentUnited Kingdom

Question 4: ________, gas turbines, internal combustion engines, fuel cells.
BoilerBoiler (steam generator)FurnaceCoal

Question 5: Other concerns include toxic ________ and incinerator bottom ash (IBA) management.
Fly ashBariumChromiumCarbon

Question 6: ________ (produces combustible gas, hydrogen, synthetic fuels)
BiofuelGasificationCoalInternal combustion engine

Question 7: ________, but is otherwise lost as waste heat.
District heatingLondonUnited KingdomEurope


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