Composition and a process for reducing aromatics from a hydrocarbon feedstock
AssigneeHindustan Petroleum Corporation Limited
InventorsSrinivasa Rao Ganagalla, Valavarasu Gnanasekaran, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary
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Abstract
The present disclosure relates to a composition for reducing aromatics from a hydrocarbon feedstock. The composition comprises a solvent mixture. The solvent mixture includes a primary solvent, a first co-solvent, a second co-solvent, and a secondary solvent. The present disclosure also relates to a process for reducing aromatics from a hydrocarbon feedstock.
Claims6
A composition for reducing polycyclic aromatics (PCA) to less than 3 wt % from a hydrocarbon feedstock, said composition comprising a solvent mixture, wherein said solvent mixture comprises:
- a) N-Methyl-2-Pyrrolidone (NMP) as a primary solvent in an amount ranging from 70 vol % to 95 vol % of the total solvent mixture;
- b) monoethylene glycol as a first co-solvent in an amount ranging from 2 vol % to 20 vol % of the total solvent mixture;
- c) propylene glycol as a second co-solvent in an amount ranging from 1 vol % to 20 vol % of the total solvent mixture;
- and
- water as a secondary solvent in an amount ranging from 2 vol % to 4 vol % of the total solvent mixture.
Dependencies are inferred from the claim text.