PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 17 (END) ppt

... methods of disinfection are used: chemical and physical. The chem- ical methods, of course, use chemical agents, and the physical methods use physical agents. Historically, the most widely used chemical ... upgrading wastewater treatment plants. Water Science Technol., Proc. 1997 Int. Conf. on Upgrading of Water and Wastewater Syst., May 25–28, 37, 9, 89–95. E...

Ngày tải lên: 11/08/2014, 10:22

... examples of systems of units: meter-kilogram-second (mks), meter-gram-second (mgs), liter-gram-second (lgs), centimeter-gram-second (cgs), liter-grammoles-second (lgmols), meter-kilogrammoles-second ... topics of water and wastewater characterization, quantitation, and population projection, this book covers the unit operations and unit processes in the physical chemical tr...

Ngày tải lên: 11/08/2014, 10:22

... P. Sincero and G. A. Sincero 168 Physical Chemical Treatment of Water and Wastewater the parasites. For municipal water systems, the most practical and effective way of getting rid of the parasite ... 2003 by A. P. Sincero and G. A. Sincero 174 Physical Chemical Treatment of Water and Wastewater Surfactants—Surface-active agents, which means that they have...

Ngày tải lên: 11/08/2014, 10:22

... providing the agitation. Generally, three types of mixers are used in the physical chemical treatment of water and wastewater: rotational, pneumatic, and hydraulic mixers. Rotational mixers ... Instru- mentation, Control and Automation of Water and Wastewater Treatment and Transport Syst., July 6–9, 1997, Brighton, England, 37, 12, 181–192. Elsevier Science...

Ngày tải lên: 11/08/2014, 10:22

... rapid-sand filter of average porosity of 0.42. The temperature of the water to be filtered is 20°C. The head losses in the slow-sand and rapid-sand filters are 0.06 m and 0.71 m, respectively and ... sand of sieve analysis of Problem 7.10 is used to con- struct (a) a slow-sand filter of average porosity of 0.39 operated at 9.33 m 3 /m 2 ⋅ d and (b) a rapid-sand filter of...

Ngày tải lên: 11/08/2014, 10:22

... rejection ions Ca 2+ SO 2- Na + H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0Na + Cl - H 2 0Na + Cl - H 2 0 H 2 0 H 2 0 H 2 0 Monovalent ... system of units (meter-kilogram-second) and the temperatur...

Ngày tải lên: 11/08/2014, 10:22

... Sincero and G. A. Sincero 518 Physical Chemical Treatment of Water and Wastewater 11.1.3 ’S FOR PERTINENT CHEMICAL REACTIONS OF THE C ARBONATE EQUILIBRIA Let us now derive the values of the of the ... by A. P. Sincero and G. A. Sincero 524 Physical Chemical Treatment of Water and Wastewater A positive value of the Langelier index indicates that the wate...

Ngày tải lên: 11/08/2014, 10:22

... Automation of Water and Wastewater Treatment and Transport Syst., July 6–9, Brighton, England, 37, 12, 111–119. Elsevier Science Ltd., Exeter, England. Chuang, C. J. and K. Y. Li (1997). Effect of coagulant ... = Al 7 (OH) 17 4+ [] Al 7 (OH) 17 [] γ Al 7 (OH) 17 c K Al 7 (OH) 17 c Al 3+ {} 7 γ Al 7 (OH) 17 c H + {} 17 K Al 7 (OH) 17 c γ Al 7 Al 3+ [] 7 γ Al 7...

Ngày tải lên: 11/08/2014, 10:22

... equilibrium constant of Mn(OH) + . 13 .17 At a pH of 11.97 and dissolved solids of 140 mg/L, the concentration of sp Mn is 0. 0179 mg/L. Calculate the activity coefficient of Mn(OH) + . The temperature ... waterworks with a new biooxidation process for removal of manganese and iron. Water Science Technol., Proc. 1997 Int. Conf. on Upgrading of Water and Wastewater S...

Ngày tải lên: 11/08/2014, 10:22