21 Water Quality Parameters 17

21 Water Quality Parameters 17 - Temperature municipal...

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pH (hydrogen) Low pH = High H + H + pH 2 = 0.01 g H / L pH 8 = 0.00000001 g H / L Acid: any substance which increases the hydrogen ion concentration in water.
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H 2 PO 4 - HPO 4 2- pH Low pH High pH Availability and Form of Nutrients or Metals Fe, Zn, Mg, Mn, Cu, Al , S, N, Mo Micronutrients and metals generally more available at lower pH High H + conc. low H + conc.
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Cr 2 O 3 + 6H + 2Cr 3+ + 3H 2 O Insoluble In water soluble In water Availability and Form of Metals Dissolution of metal oxides increases their mobility
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Unformatted text preview: Temperature municipal industrial Industrial Cooling asphalt and concrete pavement Cooling Water billions of m 3 (%) Electric Power 153.7 81.23 Primary Metals 12.8 6.76 Chemical and Products 11.8 6.24 Petroleum and Coal 4.6 2.43 Paper and Products 2.30 1.21 Food 1.48 0.78 Machinery 0.620 0.34 Rubber and Plastics 0.484 0.26 Transportation 0.386 0.21 All Other 1.03 0.54 Totals 189.2 100,0 Temperature...
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21 Water Quality Parameters 17 - Temperature municipal...

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