How asphalt mixing plants work

22 Sep 2019 09:00

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How asphalt mixing plants work
Asphalt, a kind of high-viscosity organic liquid, has a black surface and is soluble in carbon disulfide (a golden odorous liquid).

They will often exist in the form of asphalt or tar.

Asphalt can be mainly divided into three types: coal tar pitch, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking.

Petroleum asphalt is the residue after distillation of crude oil.

Natural asphalt is stored underground, and some form a mineral deposit or accumulate on the surface of the earth's crust.

Asphalt-type bitumen is obtained by fractional distillation of crude oil. They have the highest boiling point in crude oil and the heaviest substance in crude oil, so they are found at the bottom of the fractionation column.

The bituminous form of bitumen is a substance obtained by subjecting an organic substance (mostly coal) to a dry distillation process.

Asphalt will be used in buildings, such as paving roads.

The paved roads of asphalt and gravel are called asphalt roads.

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