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GCSE Chemistry · key term
The controlled burning of waste.
Used by Edexcel and OCR
Specification 9.23C, 9.24C · Paper 2
Revise: Problems with PolymersPolymer waste may instead be disposed of by incineration, meaning that it is burned. Burning can reduce the volume of solid waste, but it produces gases.
The disposal of waste by burning it at a high temperature.
Specification C6.1n · Paper 2 (Foundation), Paper 4 (Higher)
Burning waste, rather than recycling it or sending it to landfill.
Revise: Recycling FactorsA decision-maker may compare the cost of collection, sorting and processing with the cost of using new raw materials or disposing of the waste by landfill or incineration. There also needs to be a use for the recycled material: if its quality is unsuitable or demand is low, recycling it may be less viable.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The burning of waste; the energy released may be used to generate electricity.
Revise: Life-cycle assessment principlesIncineration burns waste. This reduces the amount of solid waste requiring landfill, and the energy released can be used in electricity-generation schemes. However, burning can release waste gases, so energy recovery is a benefit rather than proof that incineration has no environmental impact.
When comparing disposal methods, give both benefits and drawbacks. For example, incineration reduces the amount sent to landfill and may generate electricity, but can release waste gases.
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