Petroleum Refinery Engineering
High aniline point of a petrofuel (say diesel) indicates that

It is highly paraffinic in nature
It has a very low diesel index
It is highly aromatic in nature
Its ignition quality is very poor

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Petroleum Refinery Engineering
Asphalts are

Readily oxidisable and form carbonaceous sludge
. Low molecular weight & low boiling point compounds present in petroleum
All of these
Desirable in catalytic cracking feedstock, because they produce coke

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