Analysis of the Behavior of a Metallic Filter in Particle Removal under High Pressure Conditions

Eduardo Hiromitsu Tanabe; Murilo Daniel de Mello Innocentini; Priscila Martins de Barros; Mônica Lopes Aguiar; José Renato Coury

doi:10.4028/www.scientific.net/MSF.727-728.1648

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Analysis of the Behavior of a Metallic Filter in...

Analysis of the Behavior of a Metallic Filter in Particle Removal under High Pressure Conditions

Abstract:

This study aimed to examine the behavior of different filter media used in gas filtration at high pressure. Trials were carried out having phosphate concentrate as the particulate matter and compressed air as fluid. Operating conditions were evaluated at the following absolute pressures of the system: 193, 393 and 693 kPa, and the gas velocity was kept constant at 0.05 m/s. The results indicated that, for a given pressure drop at the filter, the highest absolute pressure applied to the system (693 kPa) yielded the highest powder mass deposited on the filter medium. An analysis of the porosity of dust cakes revealed that the increase in pressure resulted in cakes which were more porous and less resistant to gas flow. It was also verified that the increase in the pressure of the system provided an increase in the fractional efficiency of the filters for particles smaller than 5 μm.

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

1648-1653

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.1648

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Online since:

August 2012

Authors:

Eduardo Hiromitsu Tanabe, Murilo Daniel de Mello Innocentini, Priscila Martins de Barros, Mônica Lopes Aguiar, José Renato Coury

Keywords:

Filter Media, High Pressure Filtration, Natural Gas

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