How green is bitumen?

~ Greencard for: bitumen ~
	Weight:	1	Kg
	Lifespan:	12	Years
	Enegy to make:	2.8	Kwh
	Energy use:	0	Kwh per year
	Co2 footprint	3.2	Kg
	Chemical footprint:		Medium
	Waste footprint:	12	%
	Carbon offset:	2.4	Trees

Bitumen is a generic term for flammable, brown or black mixtures of tar-like hydrocarbons. It can be in the form of a viscous oil to a brittle solid, including asphalt, tars, and natural mineral waxes.

What goes into bitumen

Bitumen is produced from selected crude oils through a process of Fractional Distillation. The crude oil is heated to temperatures of between 300 and 350 degrees Celsius and fed into a distillation column allowing the lightest fractions of crude oil to separate from the heavier fractions, which remain liquid.

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