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Those refining processes using cupric chloride to oxidize mercaptans in petroleum. cordage

Related Terms

REFINING

A process of reclaiming used lubricant oils and restoring them to a condition similar to that of virgin stocks by filtration, clay adsorption or more elaborate methods.

LAPPING

An abrading process for refining the surface finish and the geometrical accuracy of a surface.

COKE

A high quality coal used as a fuel and source of carbon in the refining of metal.

LIMESTONE

A sedimentary rock consisting mostly of calcium carbonate that is used to remove the impurities produced refining iron ore.

ACID TREATMENT

A refining process in which unfinished petroleum products, such as gasoline, kerosine, and diesel oil, are contacted with sulfuric acid to improve their color, odor, and other properties.

CENTRIFUGAL FILTRATION

The removal of a liquid from a slurry by introducing the slurry 95 centrifuge centrifuge refining and rotated at various speeds to simulate the prolonged accelerations encountered in rockets and spacecraft.

CYCLING

1. A series of operations in petroleum refining or natural-gas processing in which the steps are repeated periodically in the same sequence. 2. A periodic change of the controlled variable from one value to another in an automatic control system.

DESULFURIZATION UNIT

A unit in petroleum refining for removal of sulfur compounds or sulfur.

DOCTOR TREATMENT

Refining process to sweeten (reduce the odor) of gasoline, solvents, and kerosine; sodium plumbite and sulfur convert the odoriferous mercaptans into disulfides.

FLUID CATALYTIC CRACKING

An oil refining process in which the gas-oil is cracked by a catalyst bed fluidized by using oil vapors.
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