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C4 fraction

The C4 fraction is a mixture of unsaturated and saturated hydrocarbons. Main contents are 1,3-butadiene, isobutene and 1-butene. C4 fraction is a colorless and flammable liquid.

Derivation

The C4 fraction is a product of the thermal cracking of primary gasoline.

In the debutanizer column, which is fed with a stream from the bottom of the depropanizer stripper, a fraction of unsaturated C4 and C5 hydrocarbons is separated.

Specified values
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Brand :

HIP Petrohemija

1,3-butadiene :

min 43 max 60 % (m/m)

Product group :

Olefins and aromatics

isobutylene :

min 20 max 42 % (m/m)