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 ... the corresponding equa- tions for a flat surface, Equations (3. 3) and (3. 7). 3. 3 Electrokinetic phenomena When there is relative movement between a cha...

Ngày tải lên: 11/08/2014, 17:22

... LLC 138 Particles in Water: Properties and Processes can link anionic sites on the PAM and surface by the mechanism of “calcium bridging,” which is well-known in biology. Some negatively charged particles ... flocculants and their adsorp- tion on particles in water. 6 .3. 1 Nature of polymers and polyelectrolytes in solution Polymers are long-chain molecules consi...

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), 1 93 8- Particle...

Ngày tải lên: 11/08/2014, 17:22

... 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 ... convenient for describing the fate of particles in the aquatic environment and in water and wastewater treatment plants. 2 .3 Particle transport Particles in...

Ngày tải lên: 11/08/2014, 17:22

... 1 -3 , and one 2 -3 interactions and the gain of two 3- 3 and one 1-2 interactions. This reasoning leads to Equation (4.14). 1 23 3 3 3 1 2 3 3 3 3 AAA 131 11 1 2 33 1 2 2 =−() TX854_C004.fm Page 73 ... Interaction of two particles 1 and 2 in medium 3. In bringing the particles together, equivalent volumes of medium are displaced, as shown. The process in- v...

Ngày tải lên: 11/08/2014, 17:22

... dimension in Equation (5 .31 ). For the “coalesced sphere” assumption, d F = 3, and the increase in aggre- gate size is relatively slow (a 10-fold increase in capture radius for 1000-fold aggregates). ... Francis Group, LLC 100 Particles in Water: Properties and Processes Although Equation (5.15) is based on various simplifying assumptions, the predicted results in Fig...

Ngày tải lên: 11/08/2014, 17:22

... Unit Treatment Processes in Water and Wastewater Engineering, Wiley, Chich- ester, 1997. 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 hydrogen...

Ngày tải lên: 11/08/2014, 17:22

... 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

... magnetically principal direction of anisotropic media, and are all coordinate-dependent. We call these vectors as standard spaces. Thus, the matrix 24 Will-be-set-by -IN- TECH 4. Conclusion In the chapter ... array are being rotated the produced stop band is widening and in the case of 90 ◦ rotation it embraces both stop bands as can be seen in Fig. 24(c). 3. 3.4 Tunneling effect...

Ngày tải lên: 19/06/2014, 19:20

... of external electric field in directions ‘ 1-2 ” and “ 2-1 ” as well as in directions “ 1 -3 , 2 -3 ” and “ 3- 1 , 3- 2 ”. The sets of the device-quality crystalline silicon of n-type conductivity were chosen ... daylight 2 - 100 W light 3 - 760 nm light source 4 - 400 nm light source 110100 1E-10 1E-9 1E-8 4 2 3 1 Current I, A Applied voltage V a , V...

Ngày tải lên: 19/06/2014, 19:20