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Scanning Electron Microscope Evaluation Of Particle Deposition In Deep Bed Filters
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Book Synopsis Scanning Electron Microscope Evaluation of Particle Deposition in Deep Bed Filters by : Russell Dean Stammer
Download or read book Scanning Electron Microscope Evaluation of Particle Deposition in Deep Bed Filters written by Russell Dean Stammer and published by . This book was released on 1981 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trajectory Calculation of Particle Deposition in Deep Bed Filtration by : Alkiviades Charidemos Payatakes
Download or read book Trajectory Calculation of Particle Deposition in Deep Bed Filtration written by Alkiviades Charidemos Payatakes and published by . This book was released on 1974 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particle Size Analysis of Cotton Dust Using Scanning Electron Microscopy by : Michael Melvin Kleinfelter
Download or read book Particle Size Analysis of Cotton Dust Using Scanning Electron Microscopy written by Michael Melvin Kleinfelter and published by . This book was released on 1976 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particle Characterization and Sizing by : William Robert Herguth
Download or read book Particle Characterization and Sizing written by William Robert Herguth and published by . This book was released on 2011 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent decades oil analysis laboratories have used automatic particle counters to determine the number and size of particles in many oil wetted systems. Once determined, there has been the question of "what are they?" Logically, the next step is to investigate the make-up of the particles by extracting the particles and analyzing using emission spectroscopy and/or a filter membrane for view them under magnification. Characterizing the make-up of the particles is very useful in determining the source. A cost-effective action plan can be undertaken to rectify the identified problem once the particle type is determined. The problem with these two approaches is; emission spectroscopy analysis is often unreliable in identifying larger particles and; under optical magnification it is not possible to tell for sure the makeup of the particles. In some cases scanning electron microscopy (SEM) analysis is undertaken to further identify the particles. This proves to be time-consuming for the SEM operator and is left to the operator to judge which areas of the sample to investigate. This study illustrates the performance and innovative approach to resolving the aforementioned limitations on sizing and identifying particles using an "Automated Electron Beam Particle Analyzer" equipped with "Automated Feature Analysis" (AFA) software to characterize complex matrix of particles extracted onto a membrane filter from oil samples.
Book Synopsis Trajectory Analysis of Particle Deposition in Model Filters Composed of Parallel Fibers by : Raymond C Tsiang
Download or read book Trajectory Analysis of Particle Deposition in Model Filters Composed of Parallel Fibers written by Raymond C Tsiang and published by . This book was released on 1981 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Electron Microscope Analysis of Individual Particles in a Source-apportionment Study of Atmospheric Pollution in the Vaal Triangle by :
Download or read book Scanning Electron Microscope Analysis of Individual Particles in a Source-apportionment Study of Atmospheric Pollution in the Vaal Triangle written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Levels of air pollutants in the Vaal Triangle area have been a cause of public concern for a number of years. A pilot study was launched with the purpose of developing standard operating procedures for the sampling, bulk inorganic and organic chemical analysis, and single-particle analysis of airborne particulates from this region, as well as statistical data handling procedures. Guidelines set by the United States Environmental Protection Agency (EPA) for the Receptor Model as applied to the source apportionment of airborne particulates is adhered to in this instance. Samples of airborne particulate pollutants from four sites in the Vereeniging area were subjected to single-particle analysis by energy-dispersive X-ray-fluorescence analysis and image-analysis using a scanning electron microscope. Nineteen chemical and five physical parameters were measured. Two sub-sets of data were distinguished on the basis of particle size, and each was subjected to various cluster-analysis procedures. Seventeen chemical species were identified in each sub-set of data. These species were further subdivided on the morphological characteristics, and allocated to one or more source categories. It is anticipated that, as source profiles become better established, better source apportionment will be possible.
Book Synopsis Aerosol Filtration by : Dominique Thomas
Download or read book Aerosol Filtration written by Dominique Thomas and published by Elsevier. This book was released on 2016-11-30 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filtration of aerosols is omnipresent in our daily lives, in areas as diverse as health, the protection of people and the environment, and air treatment inside buildings. However, the collection of particles within a filter media is not, contrary to popular belief, linked to a simple screen effect. The phenomena involved are much more complex and require the consideration of aerosol interactions, filter media and process conditions to select the best fiber filter for a given application. Aerosol Filtration, book for students, hygiene or process engineers, fibrous media manufacturers, designers, and filtration system suppliers or users addresses the filtration of aerosols in six chapters. These chapters cover physics and aerosol characterization, the fibrous media, and efficiency and filter clogging by solid or liquid aerosols, with special attention to the filtration of the nanoparticles. - Analyses the behavior of fibrous media against solid and liquid aerosols - Presents models of efficiency and pressure drop - Introduces computing elements for estimating the lifetime of filters - Provides guidance for designing filters and predicting their behavior over time
Book Synopsis The Dynamics of Particle Deposition in Granular Bed Filters by : M. Fichman
Download or read book The Dynamics of Particle Deposition in Granular Bed Filters written by M. Fichman and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Z-contrast Scanning Transmission Electron Microscopy of Nanometer-scale Coated Particulate Materials by :
Download or read book Z-contrast Scanning Transmission Electron Microscopy of Nanometer-scale Coated Particulate Materials written by and published by . This book was released on 1998 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particulate materials with unique functional properties have been the focus of much attention in recent years. Of particular interest, due to their considerable scientific and technological importance, are particles coated with nanoparticles. These have greatly stimulated interest for their novel structure and properties. In these kinds of particulate materials, the interface structures between the support particle and the nanoparticle play a crucial role in controlling their properties. Consequently, imaging of the atomic structures at the interfaces can provide deep understanding of the relationship between the particulate and the corresponding properties. Z-contrast scanning transmission electron microscope (STEM) provides a new view of materials on the atomic scale, a direct image of atomic structure composition which can be interpreted without the need for any preconceived model structure. Therefore it is a powerful tool in the study of particulate materials. In this report, the authors present the structures of 18 micron diameter alumina particles coated with Ag nanoparticles. Particulates were prepared by a laser ablation technique, which involves laser ablation of the target material (Ag) onto a fluidized bed of core particles (alumina). The core alumina particles were fluidized inside the deposition system using a mechanical vibration method. For the STEM analysis, the particulates were lightly crushed in water using a pestle and mortar, then diluted in ethanol and deposited on a TEM grid coated with an amorphous carbon thin film.
Book Synopsis Particle Sizing Using the Scanning Electron Microscope by : Steven Michael Davis
Download or read book Particle Sizing Using the Scanning Electron Microscope written by Steven Michael Davis and published by . This book was released on 2004 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ADVANCED SAMPLING AND ANALYSIS OF FINE PARTICULATES. Final Topical Report which Includes Semiannual for the Period of January 1, 1998 - June 30, 1998 by :
Download or read book ADVANCED SAMPLING AND ANALYSIS OF FINE PARTICULATES. Final Topical Report which Includes Semiannual for the Period of January 1, 1998 - June 30, 1998 written by and published by . This book was released on 1998 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sampling tests indicated that the polycarbonate filters were marginally acceptable for in-stack fine-particle collection because of their 230 F melting point as well as requiring carbon coating to reduce charging effects. Vitreous carbon substrates, although not porous, have acceptable thermal stability as well as acceptable levels of charging. A porous silver membrane filter is also being considered for future testing. Pure reference samples of secondary aerosols have been successfully been collected on vitreous carbon substrates with good dispersion and found suitable for direct examination by scanning electron microscope (SEM) without prior coating or preparation. These samples will be used to develop optimum SEM measurement and quantification techniques related to the analysis of fine secondary aerosols.
Book Synopsis Current Awareness in Particle Technology by :
Download or read book Current Awareness in Particle Technology written by and published by . This book was released on 1993 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Electron Microscopy by : Ludwig Reimer
Download or read book Scanning Electron Microscopy written by Ludwig Reimer and published by Springer. This book was released on 2013-11-11 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Electron Microscopy provides a description of the physics of electron-probe formation and of electron-specimen interactions. The different imaging and analytical modes using secondary and backscattered electrons, electron-beam-induced currents, X-ray and Auger electrons, electron channelling effects, and cathodoluminescence are discussed to evaluate specific contrasts and to obtain quantitative information.
Book Synopsis Three-Dimensional Electron Microscopy of Macromolecular Assemblies by : Frank Joachim
Download or read book Three-Dimensional Electron Microscopy of Macromolecular Assemblies written by Frank Joachim and published by Elsevier. This book was released on 1996-01-24 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-Dimensional Electron Microscopy of Macromolecular Assemblies is the first systematic introduction to single-particle methods of reconstruction. It covers correlation alignment, classification, 3D reconstruction, restoration, and interpretation of the resulting 3D images in macromolecular assemblies. It will be an indispensable resource for newcomers to the field and for all using or adopting these methods.Key Features* Presents methods that offer an alternative to crystallographic techniques for molecules that cannot be crystallized* Describes methods that have been instrumental in exploring the three-dimensional structure of* the nuclear pore complex* the calcium release channel;* the ribosome* chaperonins
Book Synopsis Energy Dispersive Spectrometry of Common Rock Forming Minerals by : Kenneth P. Severin
Download or read book Energy Dispersive Spectrometry of Common Rock Forming Minerals written by Kenneth P. Severin and published by Springer Science & Business Media. This book was released on 2008-01-18 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a very basic introduction to electron microscopy and energy dispersive spectrometry (EDS). It has the largest compiled collection of EDS spectra ever published and covers most common rock forming minerals. In addition, it provides a key to help the novice wade through the large number of spectra.
Book Synopsis Transmission Electron Microscopy by : David B. Williams
Download or read book Transmission Electron Microscopy written by David B. Williams and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron microscopy has revolutionized our understanding the extraordinary intellectual demands required of the mi of materials by completing the processing-structure-prop croscopist in order to do the job properly: crystallography, erties links down to atomistic levels. It now is even possible diffraction, image contrast, inelastic scattering events, and to tailor the microstructure (and meso structure ) of materials spectroscopy. Remember, these used to be fields in them to achieve specific sets of properties; the extraordinary abili selves. Today, one has to understand the fundamentals ties of modem transmission electron microscopy-TEM of all of these areas before one can hope to tackle signifi instruments to provide almost all of the structural, phase, cant problems in materials science. TEM is a technique of and crystallographic data allow us to accomplish this feat. characterizing materials down to the atomic limits. It must Therefore, it is obvious that any curriculum in modem mate be used with care and attention, in many cases involving rials education must include suitable courses in electron mi teams of experts from different venues. The fundamentals croscopy. It is also essential that suitable texts be available are, of course, based in physics, so aspiring materials sci for the preparation of the students and researchers who must entists would be well advised to have prior exposure to, for carry out electron microscopy properly and quantitatively.
Book Synopsis Powder Sampling and Particle Size Determination by : Terence Allen
Download or read book Powder Sampling and Particle Size Determination written by Terence Allen and published by Elsevier Science Limited. This book was released on 2003 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Important new work in rapidly expanding field of powder technology.
