False-colour SEM of fly ash

False-colour SEM of fly ash


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False-colour scanning electron micrograph of fly ash, a common atmospheric pollutant emitted from coal-fired power stations. Fly ash is the end product of coal combustion. It can be prevented from escaping from the power station stacks, to some degree, by the use of electrostatic scrubbers and can be recycled for use as ballast in the construction industry.

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Model release not required. Property release not required.

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