Recirculation

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Recirculation

 

the repeated return of all or part of a stream of gas, liquid, or solid substance to, for example, a technological process, plant, or apparatus. Recirculation is used for various purposes, such as the regulation of component concentration in mixtures and temperature in heat exchangers. In chemical engineering, the yield of the final product can often be increased by a recirculation of the raw materials.

REFERENCES

Nagiev, M. F. Teoriia retsirkuliatsii i povyshenie optimal’nosti khimicheskikh protsessov. Moscow, 1970.
Kasatkin, A. G. Osnovnye protsessy i apparaty khimicheskoi tekhnologii, 8th ed. Moscow, 1971.
References in periodicals archive ?
"A recent trend in many urban areas has been to recirculate old industrial facilities and bring them back into the economy to stimulate business, improve blighted neighborhoods and prevent pollution," said George Kelley, principal-in-charge for Langan.
landfills now collect and recirculate their leachate, Pohland says.
Typically, supplemental Vertical Air Returns are required to recirculate a portion of the cooled cleanroom air through ceiling FFUs.
RIM and RRIM machines have patented self-cleaning impingement mix heads, which recirculate through injection nozzles to eliminate lead-lag problems.