Particles in Water Properties and Processes - Chpater 7 (end) ppsx
... Unit Treatment Processes in Water and Wastewater Engineering, Wiley, Chich- ester, 19 97. Haarhoff, J. and Edzwald, J.K., Dissolved air flotation modelling: insights and short- comings, J. Wat. ... suited to water and waste- water treatment. Electrolytic flotation or electro-flotation involves passing a direct current between suitable electrodes in water to generate hydrog...
Ngày tải lên: 11/08/2014, 17:22
... 2Particles in Water: Properties and Processes Inorganic particles result mainly from natural weathering processes and include clays, such as kaolinite and montmorillonite; oxides, including ... and are used only for identification and explanation without intent to infringe. Library of Congress Cataloging -in- Publication Data Gregory, J. (John), 193 8- Particles...
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... and related properties 45 as in the well-known Doppler effect. In colloidal dispersions, random brown- ian motion of the particles causes scattered light to vary randomly in fre- quency and interference ... they are in continuous chaotic motion, and particles suspended in water are constantly being bom- barded by these molecules. This imparts kinetic energy to the par...
Ngày tải lên: 11/08/2014, 17:22
Particles in Water Properties and Processes - Chpater 3 pot
... m 2 s -1 V -1 (1 µm s -1 /V cm -1 = 10 -8 m 2 s -1 V -1 .) The measurement of electrophoretic mobility is straightforward in prin- ciple and simply involves measuring the velocity of particles in ... series. ψ 0 ψ 0 ψ δ ψ δ a b c C s C d C T 1/κ 0 a ψ δ b ψ δ c TX854_C003.fm Page 57 Monday, July 18, 2005 1:22 PM © 2006 by Taylor & Francis Group, LLC...
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Particles in Water Properties and Processes - Chpater 4 doc
... colloidal particles in a quantitative manner. This approach was taken originally by two research teams working independently — Deryagin and Landau in Moscow, and Verwey and Overbeek in The Netherlands. ... Francis Group, LLC 74 Particles in Water: Properties and Processes increases, there is still some uncertainty associated with low values of the Hamaker constant....
Ngày tải lên: 11/08/2014, 17:22
Particles in Water Properties and Processes - Chpater 5 docx
... primary particles comprising the aggregate, so that we should think in terms of “i-fold” and “j-fold” aggregates. A fundamental assumption is that aggregation is a sec- ond-order rate process, in ... self-preserving dis- tributions because they can emerge in aggregating suspensions, independent of initial conditions (e.g., for nonuniform primary particles) . The precise form of the...
Ngày tải lên: 11/08/2014, 17:22
Particles in Water Properties and Processes - Chpater 6 pot
... in many industrial applications. Some of the main areas of application are as follows: • Drinking water treatment • Sludge conditioning and dewatering • Mineral processing • Papermaking • Biotechnology In ... Coagulation and flocculation 123 then be inorganic salts, including those containing specifically adsorbing counterions, and flocculants would be long-chain polymers, which gi...
Ngày tải lên: 11/08/2014, 17:22
gregory - particles in water - properties and processes (crc, 2006)
... treatment processes, but the basic principles apply to solid-liquid separation in a wide range of industries, including biotechnology, mineral processing, papermaking, and others. Further reading ... scattering cross-section and specific turbidity will be introduced. 2.4.2 Turbidity and light transmission In the arrangement shown in Figure 2.12 the incident light intensity i...
Ngày tải lên: 03/04/2014, 12:13
Behaviour of Electromagnetic Waves in Different Media and Structures Part 7 ppt
... 235 1-2 353 (1998). [54] R. Kamoua, H. Eisele, and G. I. Haddad, D-band (11 0-1 70 GHz) InP Gunn devices D- Band (11 0-1 70 GHz) InP Gunn Devices, Solid-State Electron., Vol. 36, No. 11, pp. 154 7- 1 555 ... pp. 31 3-3 17 (2001). [42] Q. Wu, and X C. Zhang, Free-space electro-optics sampling of mid-infrared pulses, Appl. Phys. Lett., Vol. 71 , No. 10, pp. 128 5-1 286 (1...
Ngày tải lên: 19/06/2014, 19:20
Crystalline Silicon Properties and Uses Part 7 pot
... stretching bands occur in the region of 270 0-3 300 cm -1 [Settle 19 97] . The bands 200 0-2 300 cm -1 and 93 5-1 000 cm -1 are associated with Si−H bond-stretching band and Si\textendash H bond-bending ... direct band-to-band transition leads to intrinsic cathodoluminescence ; (b-e) recombination via localized states in the forbidden gap results in extrinsi...
Ngày tải lên: 19/06/2014, 19:20