Removal of Airborne Contaminants from a Surface Tank by a Push-Pull System

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Open surface tanks are used in many industrial processes, and local exhaust systems are often designed to capture and remove toxic fumes diffused from materials in the tanks prior to their escape into the workplace environment. The push-pull system seems to be the most efficient local exhaust system, but proper design is required to ensure health and safety of the workers and, furthermore, it is very desirable from an energy conservation point of view to determine an optimum and -an efficient design of push-pull hoods which can exhaust all contaminants with a minimum quantity of volume flow.
The paper describes and discusses different design methods and compares designed values with results from a measurement series of push-pull system efficiency.
Original languageEnglish
Place of PublicationAalborg
PublisherDept. of Building Technology and Structural Engineering
Number of pages10
Publication statusPublished - 1997
SeriesIndoor Environmental Technology

Bibliographical note

Ventilation '97: Global Developments in Industrial Ventilation, Proceedings of the 5th International Symposium on Ventilation for Contaminant Control, Ottawa, Canada, September 14-17, 1997, pp. 770-780

PDF for print: 16 pp.


  • Aircondition
  • Airborne Contaminant
  • Push-Pull System
  • Surface Tank


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