Fabrication of nickel filter made by uniaxial pressing process for gas purification

Fabrication pressure effect

Shin Kun Ryi, Jong Soo Park, Seok Joo Park, Dong Geun Lee, Sung Hyun Kim

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Nickel filter was successfully fabricated by press process of micron-size nickel powder for particles separation from gasifier. Nickel powder having 2-10 μm of particles size distribution was pressed in cylindrical metal mould under pressure of 45-330 MPa to clarify the fabrication pressure effect on the pore properties of the filter and gas permeation flux. The pressed nickel filter was treated at 450 °C for 10 h to have thermal stability and mechanical strength. It was clarified that the fabrication pressure is very important to control the pore properties such as average pore diameter, porosity and total pore volume which have an effect on air permeation and pressure drop. The air permeation flux of nickel filter decreases with increasing fabrication pressure due to the decrease of total pore volume. The filtering test showed that they have separation efficiency over 99.9% on the particles which have size distribution of 20-450 nm.

Original languageEnglish
Pages (from-to)174-180
Number of pages7
JournalJournal of Membrane Science
Volume299
Issue number1-2
DOIs
Publication statusPublished - 2007 Aug 1

Fingerprint

Gas fuel purification
Pressure effects
pressing
pressure effects
Nickel
purification
Gases
nickel
porosity
filters
Pressure
Fabrication
fabrication
Permeation
gases
Powders
Fluxes
Air Pressure
Porosity
Air

Keywords

  • Filter
  • Gas purification
  • Gasification
  • Nickel powder
  • Pressing

ASJC Scopus subject areas

  • Filtration and Separation
  • Polymers and Plastics

Cite this

Fabrication of nickel filter made by uniaxial pressing process for gas purification : Fabrication pressure effect. / Ryi, Shin Kun; Park, Jong Soo; Park, Seok Joo; Lee, Dong Geun; Kim, Sung Hyun.

In: Journal of Membrane Science, Vol. 299, No. 1-2, 01.08.2007, p. 174-180.

Research output: Contribution to journalArticle

Ryi, Shin Kun ; Park, Jong Soo ; Park, Seok Joo ; Lee, Dong Geun ; Kim, Sung Hyun. / Fabrication of nickel filter made by uniaxial pressing process for gas purification : Fabrication pressure effect. In: Journal of Membrane Science. 2007 ; Vol. 299, No. 1-2. pp. 174-180.
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