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Testing ceramic filter elements
Chemical and Petroleum Engineering, 2010It is shown that for cleaning hot (above 350°C) gases from highly disperse dust (carbon black) to low residual concentrations of it (not more than 1 mg/m3), it is advisable to use heat-resistant ceramic filter elements in which aluminosilicate fibers are used as filler and a mixture of organic and inorganic substances as binder.
N. V. Kabanov, V. S. Koryagin
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The history of ceramic filters
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2000The history of ceramic filters is surveyed. Included is the history of piezoelectric ceramics. Ceramic filters were developed using technology similar to that of quartz crystal and electro-mechanical filters. However, the key to this development involved the theoretical analysis of vibration modes and material improvements of piezoelectric ceramics ...
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Filtering diesel exhaust gases with ceramic filters
Chemical and Petroleum Engineering, 2008Results are given from three test series on a ceramic filter for diesel exhausts. In the first and second series, use was made of diesel fuel (in the summer), while in the third series, we used the Standard Euro-4 fuel. A grain-size analysis is given for the dust.
A. Yu. Val’dberg +4 more
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Ceramic Diesel Particulate Filters
International Journal of Applied Ceramic Technology, 2005Twenty‐five years of diesel particulate filter (DPF) developments have shown that ceramic materials are well‐suited candidates to fulfill the harsh requirements of exhaust after treatment. The introduction of DPF in passenger cars in Europe in 2000 was a real breakthrough from both a scientific and a commercial point of view.
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Group Carrier Supply Ceramic Filter
Japanese Journal of Applied Physics, 1984A group carrier supply ceramic filter for use in an FDM carrier system was examined. For the filter, a ladder filter configuration composed of nine wire-mounted ceramic disk resonators and eight multilayer ceramic capacitors was adopted. Because of refinement of the filter design, only rough adjustment was fully sufficient for the frequency ...
Takeshi Inoue +2 more
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1997
The word ‘filtration’ refers to separation of particles from a fluid by passage through some form of porous medium. A distinction can be drawn between two main types of filtration behaviour: ‘depth’ filtration and ‘surface’ (or ‘barrier’ or ‘cake’) filtration (Figure 6.1).
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The word ‘filtration’ refers to separation of particles from a fluid by passage through some form of porous medium. A distinction can be drawn between two main types of filtration behaviour: ‘depth’ filtration and ‘surface’ (or ‘barrier’ or ‘cake’) filtration (Figure 6.1).
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Laminated Ceramic Interdigital Bandpass Filter
2005 Asia-Pacific Microwave Conference Proceedings, 2006One new type of laminated ceramic interdigital bandpass filter manufactured by low temperature co-fired ceramic (LTCC) technology is presented in this article. The designed filter is constructed of conductive patterns, which are printed on various ceramic sheets.
null Xiongxin Tang +4 more
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Cellular Ceramic Diesel Particulate Filter
SAE Technical Paper Series, 1981<div class="htmlview paragraph">An innovative design of ceramic filter for diesel engine exhaust particulate matter is described. It is a cellular ceramic honeycomb with porous walls which act as the filter medium. Test results relating the effects of wall thickness, cell density, porosity, and filter volume on collection efficiency, pressure ...
John S. Howitt, Max R. Montierth
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Piezoelectric ceramic tuning fork filters
IEEE Transactions on Vehicular Communications, 1966Within the past year, marked progress has been made in the development of a class of low frequency ceramic tone filters offering significant advantages over existing filters in the 50 to 9000 cps range. These filters utilize a pair of piezoelectric ceramic Bimorph elements mounted and connected so that stress cancellation occurs in the base region and ...
W.J. Gerber, D.R. Curran, T.R. Sliker
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