PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 2 pps

... determination of oxygen consumption of a waste. t (day) 24 6810 y (mg/L) 10 20 23 25 28 t (day) 2 4 6 8 10 y (mg/L) 10 20 23 25 28 ∑y = 68 b y′ 3 .25 a 1 .25 1 .25 ∑y′ = 5.75 y 2 400 529 625 ∑y 2 = 1554 yy′ ... 1 mn≤≤= TX249_Frame_C 02. fm Page 135 Friday, June 14, 20 02 1:51 PM © 20 03 by A. P. Sincero and G. A. Sincero 1 42 Physical Chemical Treatment of Wa...

Ngày tải lên: 11/08/2014, 10:22

...    3 0.16 D 3 5.36 D 2 += y 0 .22 – 0.15 0 .22 – 22 0.05 25 .77– 28 5.63 125 .77– = 0 .22 125 .77 y 0 .22 – 0.15 0 .22 – 22 0.05 25 .77– 28 5.63 125 .77– = y 22 0.05 y 0.18 D m Ans== 0.15 28 5.63 TX249_frame_C06.fm ... = q ρ v 1 i ˆ q ρ v 2 i ˆ +– y 2 y 1 2 18Fr 1 2 + 1–()= y 2 y 1 2 18 v 1 2 gy 1 + 1–    = gy 1 P hydJump Q γ y 2 y 1 –()q 2...

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 ... rejection ions Ca...

Ngày tải lên: 11/08/2014, 10:22

... = [Al 2 (OH) 2 4+ ] {Al 2 (OH) 2 4+ } γ Al 2 (OH) 2 c K Al 2 (OH) 2 c {Al 3+ } 2 γ Al 2 (OH) 2 c {H + } 2 K Al 2 (OH) 2 c γ Al 2 [Al 3+ ] 2 γ Al 2 (OH) 2 c γ H 2 H + [] 2 == = K Al 2 (OH) 2 c K sp,Al(OH) 3 2 γ H 4 [H + ] 4 γ Al 2 (OH) 2 c K w 6 ... coagulant FeSO 2 ⋅ 7H 2 O are: FeSO 4 ⋅ 7H 2 O + Ca(HCO 3 ) 2 + 2Ca(OH) 2 → Fe(O...

Ngày tải lên: 11/08/2014, 10:22

... Equation (14 .21 )? Consider the following reactions: CaCO 3 + 2H + → H 2 CO 3 + CA 2+ (14 .22 ) 2Ca(HCO 3 ) 2 + 2H + → H 2 CO 3 + 2Ca 2+ (14 .23 ) From these reactions, the equivalent mass of calcium ... 10 − 0.5 2( ) 2 3.5 10 3– ()[] 1+1.14 3.5 10 3– ()[] 0.77 K HPO 4 = 10 12. 3– K H 2 PO 4 = 10 7 .2 K H 3 PO 4 = 10 2. 1– = TX249_frame_C14.fm Page 6 32 Friday, J...

Ngày tải lên: 11/08/2014, 10:22

... Demand 2. 1 .20 Total Organic Carbon 2. 1 .21 Nitrogen 2. 1 .22 Phosphorus 2. 1 .23 Acidity and Alkalinity 2. 1 .24 Fats, Oils, Waxes, and Grease 2. 1 .25 Surfactants 2. 1 .26 Priority Pollutants 2. 1 .27 Volatile ... Maryland have an TX249_Frame_CFM.fm Page 5 Friday, June 14, 20 02 4:51 PM © 20 03 by A. P. Sincero and G. A. Sincero Chapter 2 Constituents of Water...

Ngày tải lên: 11/08/2014, 10:22

... 30 0 .27 Anthracite 24 0 40 0 .23 Sand 24 0 48 0 .23 Sand 24 0 56 0 .23 Sand −− −− ∆∆ ∆∆ P (kN/m 2 ) 22 .69 54.86 (L) Time (sec) 1.0 41.3 19.0 1.5 72. 0 34.6 2. 5 1 52. 1 76.0 3.0 21 0.7 1 02. 0 α o V TX249_frame_C07.fm ... 160 24 0 .27 Anthracite 160 30 0 .25 Anthracite 160 40 0 .22 Sand 160 48 0 .22 Sand 160 56 0 .22 Sand 24 0 0 1.0 Anthracite 24 0 8 0.59 Anthracite 24 0 16 0....

Ngày tải lên: 11/08/2014, 10:22

... 0.001995 2 2 ()0.0004938 2 2 ()0.0 02 1() 0.0 025 1() 0.0 022 2 2 ()++++[]= 0. 023 Ans= TX249_frame_C11.fm Page 515 Friday, June 14, 20 02 2 :27 PM © 20 03 by A. P. Sincero and G. A. Sincero 518 Physical Chemical ... 1000()1000()138,544 .24 L== 100 10 3– 0–( )22 0()t 26 00()138,544 .24 () TX249_frame_C11.fm Page 534 Friday, June 14, 20 02 2 :27 PM © 20 03 by A. P. Sincer...

Ngày tải lên: 11/08/2014, 10:22

... OH() 2 s() ↓→+ Mn 2+ Cl 2 2H 2 OMn→ O 2 s() ↓ 2Cl − 4H + +++ + Mn 2+ 2 3 KMnO 4 2 3 H 2 O 5 3 MnO 2 s() ↓ 2 3 K + 4 3 H + ++→++ TX249_frame_C13.fm Page 617 Friday, June 14, 20 02 2: 32 PM © ... the Mn 2+ Cl 2 2H 2 O → MnO 2 s() ↓ 2Cl − 4H + ++++ 3Mn 2+ 2KMnO 4 2H 2 O → 5MnO 2 s() ↓ 2K + 4H + ++++ 3Mn 2+ O 3 3H 2 O → 3MnO 2 s() ↓ 6H + +++...

Ngày tải lên: 11/08/2014, 10:22