PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 0 pdf

... / 60 min; 1 min = 1 / 60 hr; 1 hr = 1 / 24 d Therefore, kggmg µ g⇒⇒ ⇒ kg µ g⇒ 88 kg 88 10 6 ()88 ,00 0 ,00 0 ,00 0 µ g== 88 ,00 0 ,00 0 ,00 0 µ g 88 ,00 0 ,00 0 ,00 0 10 3– () 10 3– () 10 3– ()88 ... Ans== 88 ,00 0 ,00 0 ,00 0 µ g 88 ,00 0 ,00 0 ,00 0 10 6– ()88 kg Ans== 1ft 1/3.281 m= 10 cfs 10 ft 3 /s 10 1 3.281   3 1 1 60   1 60   1...

Ngày tải lên: 11/08/2014, 10:22

... 0. 1 80 136 — 0. 77 0. 178 135 — 0. 76 0. 1 80 136 0. 44 0. 56 0. 0 20 0 .00 56 20 28 0. 70 0 .05 1 .05 0. 13 69 0. 47 0. 53 0. 09 0. 0265 28–32 0. 54 0. 15 1.39 0. 10 41 0. 50 0. 50 0. 30 0 .07 5 32–35 0. 46 0. 18 1.72 0. 08 ... 29 0. 52 0. 48 0. 38 0. 0864 35–42 0. 38 0. 18 2.21 0. 07 20 0.54 0. 46 0. 39 0. 0828 42–48 0. 32 0. 20 3 .02 0. 05 13...

Ngày tải lên: 11/08/2014, 10:22

... 0. 001 995 2 2 ( )0. 000 4938 2 2 ( )0. 002 1() 0. 002 5 1() 0. 002 2 2 2 ()++++[]= 0. 023 Ans= TX249_frame_C11.fm Page 515 Friday, June 14, 200 2 2:27 PM © 200 3 by A. P. Sincero and G. A. Sincero 518 Physical Chemical ... coefficient and the activity in mg/L of the bicarbonate ion. Ion mg/L Mol. Mass gmols/L Ca 2+ 80 40. 1 0. 001 995 Mg 2+ 12 .0 24.3 0. 000 4938...

Ngày tải lên: 11/08/2014, 10:22

... Mn[] mg V 100 0 27.45() 0. 000 29∆ Mn[] mg V == M O 2 Mn 8 .0 Mn[] mg V 100 0 27.45() 0. 000 29∆ Mn[] mg V == M CaOMn 0. 001 0∆ Mn[] mg V 0. 001 0 2.5 0. 05–()1() 2.45 10 3– () kg/m 3 Ans== = M CaOFe 0. 001 0∆ ... Wastewater Treatment Acid or Base φφ φφ a or φφ φφ b 0. 1 M 0. 5 M 1 .0 M H 2 SO 4 1 .0 1 .0 1 .0 HCl 1 .0 1 .0 1 .0 HNO 3 1 .0 1 .0 1 .0 H 2 CO 3 0....

Ngày tải lên: 11/08/2014, 10:22

... Weak Biochemical oxygen demand, BOD 5 at 20 C 4 20 200 100 Total organic carbon (TOC) 2 80 1 50 80 Chemical oxygen demand (COD) 100 0 500 2 50 Total solids 12 50 700 300 Dissolved 800 500 2 30 Fixed 500 300 ... 300 1 40 Volatile 300 200 90 Suspended 4 50 200 70 Fixed 75 55 20 Volatile 375 145 50 Settleable solids, mL/L 201 05 Total nitrogen 90 50 20 Organic 35 15 10 Free...

Ngày tải lên: 11/08/2014, 10:22

... 6.2 Criteria Values for Effective Mixing t o , seconds , < 10 10 20 20 30 30 40 40 1 30 400 0–1 500 1 500 –9 50 9 50 8 50 8 50 7 50 7 50 700 F x F x F x P x Ψ z G z F x ∆yG z τ x ∆x ∆z ∆yG z µ∂ u/ ∂ y()∆x ... (dimensionless) Low turbidity and colored 20 70 50, 000 –2 50, 000 High turbidity 70 1 50 80, 000 –1 90, 000 FIGURE 6.11 Longitudinal section of a flocculator (top)...

Ngày tải lên: 11/08/2014, 10:22

... 2( 100 0)(kg) 0. 06 1 .0 — — — 1 .0 1.24 0. 000 24 0. 000 53 0. 000 000 13 6 .0 1.31 0. 000 07 0. 003 5 0. 000 000 25 10 1.43 0. 000 12 0. 008 0. 000 000 96 15 1.48 0. 000 05 0. 0125 0. 000 000 63 18 1.58 0. 000 1 0. 0165 0. 000 001 7 20 ... 0. 000 001 7 20 1.72 0. 000 14 0. 019 0. 000 002 7 23 1.83 0. 000 11 0. 0215 0. 000 002 4 25 2 .00 0. 000 17 0. 024 0...

Ngày tải lên: 11/08/2014, 10:22

... Fe 2 SO 4 () 3 ()= 0. 000 53 FeIIopt[] mg V sp ss [] mg 100 0 V using Fe 2 SO 4 () 3 ()+= V M FeOH 3 FeIIIsul 0. 000 53 FeIIIopt[] mg V sp ss [] mg 100 0 V += 0. 000 53 40( )1() 100 100 0 1()+ 0. 12 kg/m 3 Ans== TX249_frame_C12.fm ... V += M FeOH 3 FeIIIchl 35.6 FeIIopt[] mg V 100 0 54.1() sp ss [] mg 100 0 V + using FeCl 3 ()= 0. 000 66 FeIIopt[] mg V sp ss [] mg 1...

Ngày tải lên: 11/08/2014, 10:22

... below: (14.13) sp PO 4 Al [] 10 21– () 10 14– () 3 0. 56() 10 33– ( )0. 94() 3 10 10 [] 3 10 21– () 10 14– () 3 0. 77() 10 12.3– () 10 33– ( )0. 94() 2 10 10 [] 2 += 10 21– () 10 14– () 3 0. 94() 10 7.2– () 10 12.3– () 10 33– ( )0. 94() 10 10 [] ... == == 35 ,00 0 mg/L (mg/L) 0 6.6( 10 −5 ) 1 8 .0( 10 −5 ) 2 2.1( 10 −4 ) 3 1.5( 10 −3 ) 4 1.5( 10 −2 ) 5 1...

Ngày tải lên: 11/08/2014, 10:22