Sentence examples for naphtha fraction from inspiring English sources

Propylene is a gaseous compound obtained by the thermal cracking of ethane, propane, butane, and the naphtha fraction of petroleum.

This highly crystalline thermoplastic resin is built up by the chain-growth polymerization of propylene (CH2=CHCH3), a gaseous compound obtained by the thermal cracking of ethane, propane, butane, or the naphtha fraction of petroleum.

An alternative scheme was proposed, in which the olefinic C4 and C5 fractions are converted into a naphtha fraction through oligomerisation in a dedicated unit before being recracked in the secondary riser.

Composition of naphtha fraction (wt%).

Naphtha fraction is poorly generated in residue hydro-processing.

Besides, the yields of aromatic hydrocarbon and naphthenic hydrocarbon in naphtha fraction decreased.

However, the coke yield on HCN was much higher than that on all the other naphtha fractions.

The catalytic cracking of naphtha fractions for propylene production was investigated under high severity catalytic cracking conditions (high temperatures and high catalyst to oil ratio).

The results from this study further provide a guideline for processing naphtha fractions under high severity conditions for the production of light olefins.

The hydrogen transfer index (HTI) and the cracking mechanism ratio (CMR) for the cracking of the three naphtha fractions are shown in Fig. 6.

Using the C/O of 6, the naphtha fractions were further screened at lower temperatures and the results are summarized in Fig. 2 below.