Honeycomb ceramic particulate filtration substrate, a particulate filter and a filtration system as well as production methods thereof
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United States of America Patent
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Feb 14, 2012
Grant Date -
Oct 2, 2008
app pub date -
Aug 17, 2006
filing date -
Aug 17, 2005
priority date (Note) -
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Abstract
; The cell wall thickness is: 0.2-1.2 mm; The porosity of the cell wall: 40-70%. The cell wall through pore rate is more than 30%; The average diameter distribution of the cell wall micro-pores is in the ranging of 1-50 μm. The said substrate can be designed in different cylinders whose cross section are in form of square, one border curved square and one border curved triangle etc., After adhering the substrates, the filter can be used as vehicle particulates filter. After the canning of the filter, the filter system is produced. The problem of particulates pollutant from the vehicles can be resolved via the present invention, and it is especially efficient to treat the diesel exhaust particulates which are harmful to the human health.
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