Substances used as intermediates for the production of chemicals as solvents and for gasoline blending. Examples of these products are benzene and xylene.

Related Terms

POLYFORMING

A noncatalytic, petroleum-refinery process charging C3 and C4 gases with naphtha or gas oil at high temperature to produce high-quality gasoline and fuel oil; mostly replaced by catalytic reforming; the prodTesting and Materials analysis of paraffins (P), olefins (O), naphthenes (N), and aromatics (A) in gasolines.

PHOSPHORIC ACID POLYMERIZATION

A petroleum-refinery process using phosphoric acid catalyst to convert propylene, butylene, or both, into high-octane gasoline or petrochemical polymers.

OIL DILUTION VALVE

A valve used to mix gasoline with engine oil to permit easier starting of the gasoline engine in cold weather.

NATURAL-GASOLINE PLANT

Compression, distillation, and absorption process facility used to remove natural gasoline (mostly butanes and heavier components) from natural gas.

METERING ROD

A device consisting of a long metallic pin of graduated diameters fitted to the main nozzle of a carburetor (on an internal combustion engine) or passage leading thereto in such a way that it measures or meters the amount of gasoline permitted to flow by it at various speeds. Also known as metering pin.

LEAD SUSCEPTIBILITY

The increase in octane number of gasoline imparted by the addition of a specified amount of TEL (tetraethyllead).

KNOCK INTENSITY

The intensity of knock (detonation) recorded when testing a motor gasoline for octane or knock rating.

INTERNAL COMBUSTION ENGINE

A prime mover in which the fuel is burned within the engine and the products of combustion serve as the thermodynamic fluid, as with gasoline and diesel engines.

INHIBITOR SWEETENING

Petroleum refinery treating process to sweeten gasoline (convert mercaptans to disulfides) of low mercaptan content; uses a phenylenediamine inhibitor, air, and caustic.

IDLING JET

A carburetor part that introduces gasoline during minimum load or speed of the engine.

Related questions

MarineProHelp 2018 - 2021