Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles

A new diesel particulate filter (DPF) with a highly porous membrane made of alumina submicron particles, which are aggregates of alumina nanoparticles, was proposed to eliminate the radical increase in pressure drop caused by the soot accumulation in surface pores at the beginning of soot trapping a...

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Main Authors: Shun Nakajima, Ryoko Sanui, Katsunori Hanamura
Format: Article
Language:English
Published: Society of Automotive Engineers of Japan, Inc. 2017-07-01
Series:International Journal of Automotive Engineering
Online Access:https://www.jstage.jst.go.jp/article/jsaeijae/8/3/8_20174100/_article/-char/ja
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author Shun Nakajima
Ryoko Sanui
Katsunori Hanamura
author_facet Shun Nakajima
Ryoko Sanui
Katsunori Hanamura
author_sort Shun Nakajima
collection DOAJ
description A new diesel particulate filter (DPF) with a highly porous membrane made of alumina submicron particles, which are aggregates of alumina nanoparticles, was proposed to eliminate the radical increase in pressure drop caused by the soot accumulation in surface pores at the beginning of soot trapping and to improve the initial filtration efficiency of the DPF. The alumina membrane was manufactured by introducing particles-suspended nitrogen gas into the conventional DPF. The particle size of alumina and the particle-carrying gas velocity, which are significant parameters to determine the permeability of the layer, were optimized to make a low pressure drop membrane.
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spelling doaj.art-5b4b61b5f0234fdc8d850be7152fea962024-01-12T00:35:02ZengSociety of Automotive Engineers of Japan, Inc.International Journal of Automotive Engineering2185-09922017-07-018310511110.20485/jsaeijae.8.3_105Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina NanoparticlesShun Nakajima0Ryoko Sanui1Katsunori Hanamura2Tokyo Institute of Technology, Graduate School of Science and EngineeringTokyo Institute of Technology, Graduate School of Science and EngineeringTokyo Institute of Technology, Graduate School of Science and EngineeringA new diesel particulate filter (DPF) with a highly porous membrane made of alumina submicron particles, which are aggregates of alumina nanoparticles, was proposed to eliminate the radical increase in pressure drop caused by the soot accumulation in surface pores at the beginning of soot trapping and to improve the initial filtration efficiency of the DPF. The alumina membrane was manufactured by introducing particles-suspended nitrogen gas into the conventional DPF. The particle size of alumina and the particle-carrying gas velocity, which are significant parameters to determine the permeability of the layer, were optimized to make a low pressure drop membrane.https://www.jstage.jst.go.jp/article/jsaeijae/8/3/8_20174100/_article/-char/ja
spellingShingle Shun Nakajima
Ryoko Sanui
Katsunori Hanamura
Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
International Journal of Automotive Engineering
title Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
title_full Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
title_fullStr Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
title_full_unstemmed Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
title_short Soot Trapping by High-permeability Porous Membrane Filter Made of Aggregates of Alumina Nanoparticles
title_sort soot trapping by high permeability porous membrane filter made of aggregates of alumina nanoparticles
url https://www.jstage.jst.go.jp/article/jsaeijae/8/3/8_20174100/_article/-char/ja
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AT ryokosanui soottrappingbyhighpermeabilityporousmembranefiltermadeofaggregatesofaluminananoparticles
AT katsunorihanamura soottrappingbyhighpermeabilityporousmembranefiltermadeofaggregatesofaluminananoparticles