chemical water wastewater
Standard Methods for Examination of Water & Wastewater_1 ppt
... (chemical) ,lead and copper (chemical) , nitrate (chemical) , sodium (chemical) , sulfate (chemi-cal), zinc (chemical) , biochemical oxygen demand (chemical) , solids (physical), pH (chemical) , chemical ... P. Sincero and G. A. Sincero Constituents of Water and Wastewater Given a wastewater, what process should be applied to treat it: biological, chemical, or physical? Should it be treated with ... chemical oxygen demand (chemical) , total organic carbon (chemical) ,nitrogen (chemical) , phosphorus (chemical) , acidity and alkalinity (chemical) , fatsand oils and grease (chemical) , and odor (physical)....
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Standard Methods for Examination of Water & Wastewater_2 ppt
... treatment of water and wastewater. TX249_frame_C03.fm Page 179 Friday, June 14, 2002 4:22 PM© 2003 by A. P. Sincero and G. A. Sincero194 Physical Chemical Treatment of Water and Wastewater Parshall ... Physical Chemical Treatment of Water and Wastewater Solution: From Figure 3.4, for an H = 0.5 m, and θ = 90°, K = 0.58.Therefore,Example 3.5 To measure the rate of flow of raw water into a water ... Physical Chemical Treatment of Water and Wastewater erratic readings of the pressure will occur and the corresponding Q should not beused. Line pressure of 70 kN/m2 in excess over source water...
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Standard Methods for Examination of Water & Wastewater_3 potx
... June 14, 2002 4:25 PM© 2003 by A. P. Sincero and G. A. Sincero240 Physical Chemical Treatment of Water and Wastewater 4.4 If the pump in Problem 4.2 is operated at 1,170 rpm, calculate the ... June 14, 2002 4:25 PM© 2003 by A. P. Sincero and G. A. Sincero242 Physical Chemical Treatment of Water and Wastewater Plakhtin, V. D. (1998). Hydropneumatic system for balancing spindles of ... (1998). Selection criteria for wastewater pumps. Water/ Eng.Manage. 145, 10.Foster, R. S. (1998). Surge protection design for the city and county of San Francisco water transmission system. Pipelines...
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Standard Methods for Examination of Water & Wastewater_4 potx
... treatment along the withthe influent raw wastewater. Figure 5.14 shows an elevational section of a flotation unit.The dissolved air concentration of the wastewater in the air saturation tank is(5.44)where ... saturation concentration of the dissolvedair in the wastewater in the saturation tank at standard pressure Ps corresponding tothe temperature of the wastewater; P is the pressure in the tank; and Cas,t,sp ... used in wastewater treatment and water treat-ment also differ in another respect: the length of detention time. Although longerdetention times tend to effect more solids removal in water treatment,...
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Standard Methods for Examination of Water & Wastewater_5 ppt
... 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 aremixers ... 0.3 m3/s and HD =2.5 m. What is the temperature of the water? 6.30 A suppressed rectangular is used to mix chemical in a wastewater treat-ment unit. The power dissipation developed is 7423.5 ... dynamic modelsfor flocculation control. Water Science Technol. Proc. 7th Int. Workshop on Instru-mentation, Control and Automation of Water and Wastewater Treatment and TransportSyst., July...
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Standard Methods for Examination of Water & Wastewater_6 pot
... (1985). Water Quality. Addison-Wesley, Reading, MA.Vera, L., et al. (1998). Can microfiltration of treated wastewater produce suitable water forirrigation? Water Science and Technology Wastewater: ... biological fouling in thefiltration of seawater. Water Science and Technology, Wastewater: Biological Pro-cesses, Proc. 1998 19th Biennial Conf. Int. Assoc. on Water Quality. Part 7, June21–26, Vancouver, ... M. J. Hammer (1993). Water Supply and Pollution Control. Harper &Row, New York.WEF (1994). Preliminary Treatment for Wastewater Facilities (Manual of Practice, Om-2). Water Environment Federation.Williams,...
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Standard Methods for Examination of Water & Wastewater_7 doc
... membrane—An electrodialysis membrane that allows passage of cations. Chemical activation—The process of activating carbon using chemicals. Chemical adsorption or chemisorption—A type of adsorption aided ... Viraraghavan (1997). Dye removal using low cost adsorbents. Water Science Technol., Proc. 1996 2nd IAWQ Int. Conf. Pretreatment of IndustrialWastewaters, Oct. 16–18, 36, 2–3, 189–196. Elsevier Science ... considerations formeeting European potable water requirements based on different feedwater conditions.Desalination, Proc. 1997 Workshop on Membranes in Drinking Water Production,June 1–4, L’Aquila,...
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Standard Methods for Examination of Water & Wastewater_8 docx
... determining the value of β of a particular wastewater. The [Cos,w] of the wastewater after shaking the jar thoroughly is 7.5 mg/L. The temperature of the wastewater is 25°C. Calculate β.PbPbo1BzTo ... purpose ofdetermining the value of β of a particular wastewater. If β is found to beequal to 0.89 and the temperature of the wastewater is 25°C, calculate[Cos,w].9.15 An environmental ... purpose ofdetermining the value of β of a particular wastewater. If β is found to beequal to 0.89 and the [Cos,w] of the wastewater after shaking the jarthoroughly is 7.5 mg/L , calculate...
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Standard Methods for Examination of Water & Wastewater_9 potx
... of magnesium in treated water Mgr Concentration of raw water to softening plantratioChem Chemical ratioMilligramequivalent per liter of the sulfate ion in treated water Milligramequivalent ... in naturalwaters?10.35 Write the chemical formula of EDTA.10.36 What are the two principal cations that cause hardness in natural waters?10.37 The hardness of a given sample of water is 120 ... treatment. Water softening may be done in either a single- or two-stage treat-ment. In a single-stage treatment, all the chemicals are added in just one basin,whereas, in a two-stage treatment, chemicals...
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CHEMICAL ANALYSIS OF WATER AND WASTEWATER
... adsorptionOxygen Water quality Titration, electrochemicalOxygen demand Water quality and pollution Microbiological-titration(biochemical) (chemical) Water quality and pollution Chemical oxidation-titrationOzone ... chromatographySurfactants Water pollution SpectrophotometryTannin, Lignin Water quality, water pollution SpectrophotometryVanadium Water quality, water pollution ICPZinc Water quality, water pollution ... activationSilica Water quality Spectrophotometry, ICPSilver Water pollution AA, ICP© 2000 CRC Press LLCTable 24.4 (Cont.) Sodium Water quality, saltwater intrusion AA, ICP, flamephotometryStrontium Water...
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Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... respectively).15.3 This method was tested by 16 laboratories using reagent water, drinking water, surface water, and three industrial wastewaters spiked at six concentrations over therange 0.1-425 µg/L. ... program for the laboratory, method accuracy for wastewater samples must be assessed and records must be maintained. After the analysis of fivespiked wastewater samples as in Section 8.3, calculate ... of alternate detectors are provided in Section 13.3.6. Reagents6.1 Reagent water Reagent water is defined as a water in which an interferent is notobserved at the MDL of the parameters of...
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