Recirculation


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Related to Recirculation: enterohepatic recirculation

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 ?
The second case is to study the effect of wind direction on the cooling tower recirculation. Wind direction was selected parallel to cooling tower rows having a velocity of 5 m/s (11.2 mph).
However, no study has reported on the enhancement of gas collection by leachate recirculation in China, particularly in long-term tests in the field.
The California Code of Regulations also requires the recirculation pump to be in operation whenever the public pool is available for use (6).
For the 573K case, plumes arrive at the 15 mm viewing angle at about 200 [micro]s ASI, but the recirculation motion initiates almost immediately after the beginning of injection.
High bypass can lead to servers starved of cold air, compounding recirculation (discussed next) as the server draws in the air available, whether it is hot or cold.
The comparison performance between the one-stage and two-stage solar desiccant cooling systems under the ventilation and recirculation modes is used as the methodology in this study.
Neutral Pressure Room: 100% Air Recirculation (Fig.
Designed for a high-purity electronic application, this vacuum-capable inert mixer includes a recirculation filter system.
BBS will propose an increase in the efficiency/output package for three distillers using the company's patents STRT (Steam Recirculation System) and BRIC (Improved Brine Recirculation Circuit).
The company is set to increase the efficiency and output of the units using its Steam Recirculation System and its Improved Brine Recirculation Circuit.
Both pumps have a 1-inch discharge recirculation line that provides a minimum continuous flow of 10 percent (about 30 gpm in this case) back to the deaerator to assure against a "no flow" condition inside the pump when the steam drum level control valve goes automatically closed.