fractionating column

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Related to Distillation tower: distillation column

fractionating column

[′frak·shə‚nād·iŋ ‚käl·əm]
(chemistry)
An apparatus used widely for separation of fluid (gaseous or liquid) components by vapor-liquid fractionation or liquid-liquid extraction or liquid-solid adsorption.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Consistent with the [existing] regulatory definition, crude oil that has been processed through a distillation tower, which results in the crude becoming petroleum products, is no longer defined as crude oil.
derivatives in the distillation tower into a wide group of products like
The company has a strong reputation in the provision of process diagnostics services, especially distillation tower scanning and troubleshooting, among clients throughout the European refining and petrochemical industry.
The company has a strong reputation in the provision of process diagnostics services, especially distillation tower scanning and troubleshooting, amongst clients throughout the European refining and petrochemical industry.
The accident was caused by more than 7,000 gallons of flammable vapours escaping into the atmosphere from an overflowing distillation tower and blowdown drum.
Since mid-1991, the refinery has had new and repaired units in addition to topping facilities, including a visbreaker brought back on stream in September 1994, a vacuum distillation tower which started up in late 1991 and a 200,000 litre/d special solvents plant completed in 1992.
Once pressurized, hydrocarbons, water, and carbon dioxide are removed from the compressed air, and the air is then cooled to cryogenic temperatures and piped into a distillation tower, where the oxygen settles to the bottom and the nitrogen to the top.
Although the concept of carrying out the reaction and separation in a single reactor is not new, the problem of high pressure drop when catalyst pellets are placed in a distillation tower has delayed the actual commercial utilization of this technology.
The San Francisco Chronicle reports that one Tosco employee claimed shortly after the fire that plant managers had refused a request by four workers to shut down the high-temperature distillation tower during the repairs on the pipe.
Some of these include; leakage detection in a battery of heat exchanger of oil refinery, tracing of scraper pig during the cleaning operation of 17 km long underground pipe line by tagging it with a radioisotope, determination of mixing time of resin in the pulp chest of a paper mill using radiotracer technique, determination of density mill using radiotracer technique, determination of density profile of a distillation tower at an oil refinery and acetic acid recovery column of chemical plant to identify its malfunctioning using radiation absorption methodology, measurement of build-up and wear in piping network at a chemical plant etc.