advanced physicochemical treatment technologies volume 5 handbook of environmental engineering
... 80 100 318 2 45 142 100 93 77 200 318 200 142 95 93 80 3 25 318 159 142 60 93 50 50 45 27 13 7 20 .5 15. 5 100 45 11 13 3 20 .5 9 200 45 5 .5 13 1 .5 20 .5 5 Source: US EPA. Easily oxidizable wastewater ... Hydroxide 54 9 2.14. Sodium Hypochlorite 55 0 Contents xv 2. 15. Sulfuric Acid 55 0 3. Chemical Storage 55 0 3.1. Storage of Powder Chemicals 55 0 3.2. Storage of Liq...
Ngày tải lên: 01/04/2014, 11:43
... Contents xix 5. 4. Nitrate Content in the Influent 51 1 5. 5. Phosphorus Loading 51 2 5. 6. Temperature 51 2 5. 7. pH 51 2 5. 8. Dissolved Oxygen 51 3 5. 9. Lengths of Anaerobic and Aerobic Phases 51 3 5. 10. Solid ... Temperature 174 5. 2. Time 1 75 5.3. pH 1 75 5.4. C/N ratio 1 75 5 .5. Moisture Content 176 5. 6. Aeration 176 5. 7. Mixing 177 5. 8. Size 177 5. 9. Micr...
Ngày tải lên: 01/04/2014, 11:44
... Costs 58 3 5. Land Treatment: Slow Rate System 58 4 5. 1. Description 58 4 5. 2. Applications 58 6 5. 3. Limitations 58 6 5. 4. Design Criteria 58 8 5. 5. Performance 58 8 5. 6. Costs 58 8 6. Land Treatment: Overland ... Performance 57 8 3.6. Costs 57 8 4. Land Treatment: Rapid Rate System 57 8 4.1. Description 57 9 4.2. Applications 58 1 4.3. Limitations 58 1 4.4. Des...
Ngày tải lên: 01/04/2014, 11:44
handbook of offshore engineering volume-1
... 4.0 -10 0 2 .5 5 7 .5 10 5 no -5 0 2 .5 5 7 .5 10 5 ?O -5 30 i 0 -30 30 -3 0 -30 5 40 -5 0 2 .5 5 7 .5 10 0 2 .5 5 7 .5 lo 0 2 .5 5 7 .5 10 0 2 .5 5 7 .5 10 Time, ... Structures 197 5. 1 5. 2 5. 3 5. 4 5. 5 5. 6 5. 7 5. 8 Application of Statistics in Offshore Engineering Wave Statistics 197 5. 2.1 The Gau...
Ngày tải lên: 02/04/2014, 16:05
Handbook of Mechanical Engineering Calculations P1
... Q r Btu/lb ϭϪ H 7 )(1 Ϫ m 1 Ϫ (H 6 Ј m 2 Ϫ m 3 ) ϭ (938.4 Ϫ 47.1)(0.6277) ϭ 55 9 .5 Btu (59 0.3 kJ). Then W e Ϫ W p ϭ Q a Ϫ Q r ϭ 969.0 Ϫ 55 9 .5 ϭ 409 .5 Btu (432.0 kJ). Compare this with W e Ϫ W p computed earlier, or 4 15. 9 Ϫ 7.0 ϭ 408.9 Btu (431.4 kJ), or a difference of ... Btu/lb per pound of throttle flow. Then 1372.2m 1 ϩ ( 355 .4 ϩ 1.7)(1 Ϫ m 1 ) ϭ 50 0.8; m 1 ϭ 0.1416 lb/...
Ngày tải lên: 09/11/2013, 04:15
Handbook of Mechanical Engineering Calculations P2
... Or, U ϭ 58 5(0. 95) ϭ 55 5. Then x ϭ 0.812 (55 5/ 50 0) ϭ 0.90; e x ϭ 2.7183 0.90 ϭ 2.46; t 2 ϭ 101.1 Ϫ (101.1 Ϫ 85/ 2.46) ϭ 94.6 Њ F (34.8 Њ C). Check ⌬ t ϭ t s Ϫ t 2 ϭ 101.1 Ϫ 94.6 ϭ 6 .5 Њ F (3.6 Њ C), ... greater than 5 Њ F (2.8 Њ C). The cooling-water flow rate, gal /min ϭ 950 ( 25, 000)/ [50 0(94.6 Ϫ 85) ] ϭ 4 950 gal / min (312.3 L /s). Then A ϭ 0.812(4 950 ) ϭ 4020 ft 2 (373...
Ngày tải lên: 09/11/2013, 04:15
Tài liệu Handbook of Mechanical Engineering Calculations P3 pdf
... website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS COMBUSTION 3.9 tively. Thus, w ta ϭ 11 .5( 0. 750 9) ϩ 34 .5[ 0. 057 2 Ϫ (0.1382/8)] ϩ 4.32(0.0043) ϭ 10.03 lb (4 .55 kg) of air per lb (kg) of coal. ... (26.7 C), SVP ϭ 0 .50 69 psia (3.49 kPa). Substituting, M ϭ 0.622 (0 .50 69 ϫ 0. 65) /(14.7 Ϫ [0 .50 69 ϫ 0. 65] ) ϭ 0.014 25 lb of moisture/lb of dry air (0.01...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P4 pptx
... excess air ϭ 10 .55 7 ϩ 4. 053 ϭ 14.61 lb of air per lb (6 .57 5 kg/ kg) of fuel. Then, W ma ϭ (0.014)(14.61) ϭ 0.20 45 lb of moisture per lb (0.092 kg/ kg) of air. And h 5 ϭ (0.46)(0.20 45) (50 0 Ϫ 79) ϭ 39.6 ... AUXILIARIES 4.3 TABLE 1 Performance of HRSG Load, % 25 50 75 100 Steam generation, lb/ h (kg / h) 25, 000 (11, 350 ) 50 ,000 (22,700) 75, 000 (34, 050 ) 100,000 ( 4...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P5 pdf
... h ( 454 ,000 kg /h) of steam at initial conditions of 1800 psia (12,402 kPa) and 1 050 Њ F (56 5.6 Њ C). At exit from the cylinder the steam has a pressure of 50 0 psia (34 45 kPa) and a temperature of ... temperature ϭ 150 .5 Њ F ( 65. 8 Њ C) exit temperature ϩ 5 Њ F (2.8 Њ C) terminal difference ϭ 155 .5 Њ F (68.6 Њ C). From the saturation-temperature steam table, the pres...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P6 pdf
... HHV of each fuel from HHV ϭ 17,6 45 ϩ 54 ( Њ API), or for 24 Њ fuel, HHV ϭ 17,6 45 ϩ 54 (24) ϭ 18,941 Btu / lb (44, 057 kJ / kg). For the 28 Њ fuel, HHV ϭ 17,6 45 ϩ 54 (28) ϭ 19, 157 Btu/ lb (44 ,55 9 kJ/kg). Compare ... gal) ϭ 3 15 gal/ h (1192 L/h). The daily fuel consumption is then (24 h / day)(3 15 gal/h) ϭ 755 0 gal/day (28 ,57 7 L / day). In 7 days the engines will use (7 da...
Ngày tải lên: 17/12/2013, 11:15