System Resistance Curve in excel

x y value0 0 0 0.15 0.0176625 0 0

10 1 0.0027778 0.15 0.0176625 0.1572698 0.00126120 2 0.0055556 0.15 0.0176625 0.3145396 0.00504330 3 0.0083333 0.15 0.0176625 0.4718094 0.01134640 4 0.0111111 0.15 0.0176625 0.6290792 0.0201750 5 0.0138889 0.15 0.0176625 0.786349 0.03151660 6 0.0166667 0.15 0.0176625 0.9436188 0.04538370 7 0.0194444 0.15 0.0176625 1.1008886 0.06177180 8 0.0222222 0.15 0.0176625 1.2581584 0.08068190 9 0.025 0.15 0.0176625 1.4154282 0.102112

100 10 0.0277778 0.15 0.0176625 1.572698 0.126064110 11 0.0305556 0.15 0.0176625 1.7299678 0.152538120 12 0.0333333 0.15 0.0176625 1.8872376 0.181532130 13 0.0361111 0.15 0.0176625 2.0445074 0.213048

0 0 0 0.25 0.0490625 0 020 1 0.0055556 0.25 0.0490625 0.1132343 0.00065440 2 0.0111111 0.25 0.0490625 0.2264685 0.00261460 3 0.0166667 0.25 0.0490625 0.3397028 0.00588280 4 0.0222222 0.25 0.0490625 0.452937 0.010456

100 5 0.0277778 0.25 0.0490625 0.5661713 0.016338120 6 0.0333333 0.25 0.0490625 0.6794055 0.023527140 7 0.0388889 0.25 0.0490625 0.7926398 0.032022160 8 0.0444444 0.25 0.0490625 0.905874 0.041825180 9 0.05 0.25 0.0490625 1.0191083 0.052935200 10 0.0555556 0.25 0.0490625 1.1323425 0.065352220 11 0.0611111 0.25 0.0490625 1.2455768 0.079076240 12 0.0666667 0.25 0.0490625 1.358811 0.094106260 13 0.0722222 0.25 0.0490625 1.4720453 0.110444280 14 0.0777778 0.25 0.0490625 1.5852795 0.128089300 15 0.0833333 0.25 0.0490625 1.6985138 0.147041320 16 0.0888889 0.25 0.0490625 1.8117481 0.1673340 17 0.0944444 0.25 0.0490625 1.9249823 0.188866360 18 0.1 0.25 0.0490625 2.0382166 0.211739380 19 0.1055556 0.25 0.0490625 2.1514508 0.23592400 20 0.1111111 0.25 0.0490625 2.2646851 0.261407420 21 0.1166667 0.25 0.0490625 2.3779193 0.288201440 22 0.1222222 0.25 0.0490625 2.4911536 0.316302460 23 0.1277778 0.25 0.0490625 2.6043878 0.34571480 24 0.1333333 0.25 0.0490625 2.7176221 0.376426

Column PColumn Q

value0 0

0.001261 0.0006540.005043 0.0026140.011346 0.005882

I 0.02017 0.0104560.031516 0.0163380.045383 0.0235270.061771 0.032022

0 0.0418250.102112 0.0529350.126064 0.0653520.152538 0.0790760.181532 0.0941060.213048 0.110444

0.1280890.147041

0.16730.1888660.211739

0.235920.2614070.2882010.316302

0.345710.376426

Column PColumn Q

x y value0 0 0 0.15 0.0176625 0 0

10 1 0.0027778 0.15 0.0176625 0.1572698 0.00126120 2 0.0055556 0.15 0.0176625 0.3145396 0.00504330 3 0.0083333 0.15 0.0176625 0.4718094 0.01134640 4 0.0111111 0.15 0.0176625 0.6290792 0.0201750 5 0.0138889 0.15 0.0176625 0.786349 0.03151660 6 0.0166667 0.15 0.0176625 0.9436188 0.04538370 7 0.0194444 0.15 0.0176625 1.1008886 0.06177180 8 0.0222222 0.15 0.0176625 1.2581584 0.08068190 9 0.025 0.15 0.0176625 1.4154282 0.102112

100 10 0.0277778 0.15 0.0176625 1.572698 0.126064110 11 0.0305556 0.15 0.0176625 1.7299678 0.152538120 12 0.0333333 0.15 0.0176625 1.8872376 0.181532130 13 0.0361111 0.15 0.0176625 2.0445074 0.213048

0 0 0 0.25 0.0490625 0 020 1 0.0055556 0.25 0.0490625 0.1132343 0.00065440 2 0.0111111 0.25 0.0490625 0.2264685 0.00261460 3 0.0166667 0.25 0.0490625 0.3397028 0.00588280 4 0.0222222 0.25 0.0490625 0.452937 0.010456

100 5 0.0277778 0.25 0.0490625 0.5661713 0.016338120 6 0.0333333 0.25 0.0490625 0.6794055 0.023527140 7 0.0388889 0.25 0.0490625 0.7926398 0.032022160 8 0.0444444 0.25 0.0490625 0.905874 0.041825180 9 0.05 0.25 0.0490625 1.0191083 0.052935200 10 0.0555556 0.25 0.0490625 1.1323425 0.065352220 11 0.0611111 0.25 0.0490625 1.2455768 0.079076240 12 0.0666667 0.25 0.0490625 1.358811 0.094106260 13 0.0722222 0.25 0.0490625 1.4720453 0.110444280 14 0.0777778 0.25 0.0490625 1.5852795 0.128089300 15 0.0833333 0.25 0.0490625 1.6985138 0.147041320 16 0.0888889 0.25 0.0490625 1.8117481 0.1673340 17 0.0944444 0.25 0.0490625 1.9249823 0.188866360 18 0.1 0.25 0.0490625 2.0382166 0.211739380 19 0.1055556 0.25 0.0490625 2.1514508 0.23592400 20 0.1111111 0.25 0.0490625 2.2646851 0.261407420 21 0.1166667 0.25 0.0490625 2.3779193 0.288201440 22 0.1222222 0.25 0.0490625 2.4911536 0.316302460 23 0.1277778 0.25 0.0490625 2.6043878 0.34571480 24 0.1333333 0.25 0.0490625 2.7176221 0.376426

Column PColumn Q

value0 0

0.001261 0.0006540.005043 0.0026140.011346 0.005882

I 0.02017 0.0104560.031516 0.0163380.045383 0.0235270.061771 0.032022

0 0.0418250.102112 0.0529350.126064 0.0653520.152538 0.0790760.181532 0.0941060.213048 0.110444

0.1280890.147041

0.16730.1888660.211739

0.235920.2614070.2882010.316302

0.345710.376426

Column PColumn Q

1 Block flow

2 Design parameter

Item Unit ①Sewage Removal ② Screen Removal ③Bio

Flow m3/d 250 250

Flow m3/h - 250 - 250

Inlet time h/d - - -

Operation h/d - - -

pH － 7 to 7.5 7 to 7.5 6.5 to 8.5

BOD 0% 95% 20

kg/d 0% 100 95% 5

COD 0% 85% 180

kg/d 0% 300 85% 45

SS 50% 80% 100

kg/d 50% 125 80% 25

O&G 0% 90% 5

kg/d 0% 13 90% 1

T-KN 0% 50% 25

kg/d 0% 13 50% 6

A-N 0% 0%

kg/d 0% 0%

T-P 0% 50% 6

kg/d 0% 3 50% 2

TDS mg/L < 2000

3 Calculation1 Treatment system

1 Coase ScreenAverage flow 250 m3/d * 17 h/d * 1.0

250 m3/d * 17 h/d * 2.0 Specification 30 m3/h* 10 1

2 Sewage pit tankCapacity 30 m3/h * 0.25 hourSpecification 10 m3Accessory LS

3 Sewage pit pump

mg/Ｌ 400 400

100 mg/Ｌ 1,200 1,200

300 mg/Ｌ 1,000 500

250 mg/Ｌ 50 50

13 mg/Ｌ 50 50

13 mg/Ｌ 20

5 mg/Ｌ 12.0 12

Max flowmm *

Sewage ① BiologicalScreenRaw water ②

Sludge DewaterSludge Tank

Clarifier ③

Specification 30 m3/h * 20 mH * 5.5

4 Capacity 250 m3/d * ( 17 h - 1/ 22

Specification 65 m3Accessory

8 Capacity 250 m3/d ÷ 22 h/d Specification 12 m3/h * 10 mH * 2.2

9 Fine ScreenSpecification 12 m3/h* 6 1

9 Aeration tank250 1 Line

BOD load 250 m3/d line* 400 mg/L ÷ 1,000 Conventional

0.3 CPHEEO 19932,000 mg/L CPHEEO 1993100 kg BOD/d ÷ 0.35 kg BOD/kg SS 2,000

HRT 6 12 6 h

Specification 160 m3Air diffuzer, Air flow indicator

10 Overflow rate 8 to 15 m3/m2/d CPHEEO 1993Area 12 15 24

Specification □4.4 1 Lineφ4.3 1 Line

Reduce gear, motor 1.5 MS bridge

11 Specification 12 m3/h

12 Capacity 12 0.5 Specification 7 m3

Equalization tank

SFAC BackwashTotal

Air mixing pipe､LS

Equalization pump

Flow m3/d /

TypeF/MMLSSAeration tank VolumeBack check

CPHEEO 1993m3/h *

Accessory

Clarifier Tank

m3/h ÷( m3/m2/d÷

m *Rake Specification m *Accessory

Sludge return pumpAir lift

Filter feed tankm3/h * h

Accessory

Filter Feed pump

Capacity 250 22 h/d Specification 11 25 5.5

14 Sand FilterLine 1 LineLV 10Area

Specification φ1.2 1

15 Activated Carbon towerm3/m2/hr

LV 10Area

Specification φ1.2 1 SV 6 1/HVolume

16 Capacity 250 22 2.0 Specification 25 m3

17 LV 35Specification 40 15 5.5 B W water volume 40 60 10

18 Specification 22 40 7.5

2 Chemicals Chemical consumption Just for Reference

1 NaCLO 12.0 ％ 1.2 SGFeed volume 3 mg NaClO/L

30 m3/d * 3.0 g/m3 ÷0.1 kg/d÷ 12.0 1.2 0.6 L/d÷ 22 h/d ÷

Tank 0.6 L/d * 5 1 Specification 0.1 m3Pump Specification 20 mL/min * 0.2 Mpa *

3 Sludge Treatment1 Sludge tank

BOD SS Sludge 250 m3 /d * 400 mg/L * 0.3 SS sludge 250 m3/d * ( 500 10 Total DS volume

m3/d *m3/h * mH *

m3/m2/hr

m * Lines

Velocities 8to10m3/m2/hr

m * Lines

Treated water tankm3/d * h /d *

Accessory

Back wash pump m3/m2/hrm3/h * mH *m3/h ÷ min/h *

Treated water pumpm3/h * mH *

％ ÷

mg/L －

Total Sludge Volume 152.5 kgDS/d÷ 2.0 %Volume 8 m3/d * 3.0 dSpecification 25 m3Accessory

2 DewaterType CentrifugalOperation 6 h/dCapacitySpecification 30

3 Sludge Feed pumpCapacity 25 2.0 %Specification 2 m3/h * 0.2 0.8

4 8 m3/d

7.6 0.4 19.1 1

4 Untility1 Mixing Blower

Ministry of land, Infrastructure, Transport and Tourism Japan10 m3 * 0.5

Equalization tank 65 0.5 25 1.0

TotalSpecification 120 m3/h * 50 Kpa * 11.0

2 Aeration BlowerO2 volume 100 kg BOD/d line ÷32×22.4÷0.21×(303/273)÷Air Volume 6,167 m3/d ÷ 24.0 h/d * 1.1

160 m3 * 0.8 VVHSpecification 220 m3/h * 50 Kpa * 22.0

3 CompressorSpecification 3 0.7 MPa * 0.8

4 Drain pit -2Specification 2.0 m3Accessory LS

5 Drain pit pump -2

Air mixing pipe, LS

kg DS/h *Solids contents of cake % WWCake volume

kgDS/h ÷mH *

Sludge Dry Bed For summer seasonTotal sludge volumeBed Area / d m3/d / m =Bed Area Total m2/d * days =Specification m2 * nos

Air ratio 0.5 to 1.0 m3/h/m3Sewage collection tank m3/h/m3

m3 * m3/h/m3Sludge tank m3 * m3/h/m3

m3/h *Accessory Dryer, Filter, Regulator

Removal

6.5 to 8.5 6.5 to 8.5

50% 10 25

70% 54 150

70% 14

70% 30 100

50% 2 5

10% 23

10% 6 BOD*5% Cut

0% 0 50

10% 5 6.5

10% 1 BOD*1% Cut

Times = 14.7 m3/hTimes = 29.4 m3/h

Lines Manual type

= 8 m3

④Treated

TreatedSF AC

SludgeCake

④③

kw * 2 Nos

h ) * 17 h = 57 m37

= 11.4 m3/hkw * 2 Nos

Lines Manual type

= 250 m3/d= 100 kg BOD/d

1,000 = 143

= 72 m3

= 19.2 4.38 m □

= 6 m3

m3/timem3

g/m3 ÷ m3

h/d) m2 Line

= 11.4 m3/h2 Nos

1.1 m2φ1.18 m( 1.13

1.8 m31.6 mH

h = 23 m3

40 1 Nos

= 7 m3

1,000.0 = 0.1 kg NaClO/d* 1 = 0.6 L/d

60 min/h = 0.5 mL/min= 3 L

kw * 2 Nos

÷ 1,000 = 30.0 kg DS/dmg/L ) ÷ 1,000 = 122.5 kg DS/d

152.5 kgDS/d

m3/h Line

m3/ｈkw *

= 7.6 m3/d= 22.9 m3

25 kgDS/h1 Nos

= 1.3 m3/hkw * 2 Nos

19.1 19.1 m2

Ministry of land, Infrastructure, Transport and Tourism Japan= 5.0 m3/h= 32.5 m3/h= 25.0 m3/h= 62.5 m3/h

kw * 1 Nos

kg BOD/d line ÷32×22.4÷0.21×(303/273)÷ 0.06 = 6,167 m3/d Line= 283 m3/h= 128.0 m3/h

kw * 2 Nos

kw * 1 Nos Submersible

1 Block flow

2 Design parameter

Flow m3/d 250 250

Flow m3/h - 250 - 250

Operation h/d - - -

pH － 7 to 7.5 7 to 7.5 6.5 to 8.5

BOD 0% 95% 20

kg/d 0% 100 95% 5

COD 0% 85% 180

kg/d 0% 300 85% 45

SS 50% 80% 100

kg/d 50% 125 80% 25

O&G 0% 90% 5

kg/d 0% 13 90% 1

T-KN 0% 50% 25

kg/d 0% 13 50% 6

A-N 0% 0%

kg/d 0% 0%

T-P 0% 50% 6

kg/d 0% 3 50% 2

TDS mg/L < 2000

3 Sewage pit pump

mg/Ｌ 400 400

100 mg/Ｌ 1,200 1,200

300 mg/Ｌ 1,000 500

250 mg/Ｌ 50 50

13 mg/Ｌ 50 50

13 mg/Ｌ 20

5 mg/Ｌ 12.0 12

Max flowmm *

Clarifier ③

4 Capacity 250 m3/d * ( 17 h - 1/ 22

HRT 6 12 6 h

Equalization tank

SFAC BackwashTotal

Equalization pump

Flow m3/d /

CPHEEO 1993m3/h *

Accessory

Clarifier Tank

m3/h ÷( m3/m2/d÷

Accessory

Filter Feed pump

LV 10Area

30 m3/d * 3.0 g/m3 ÷0.1 kg/d÷ 12.0 1.2 0.6 L/d÷ 22 h/d ÷

m3/d *m3/h * mH *

m3/m2/hr

m * Lines

Accessory

％ ÷

mg/L －

4 8 m3/d

7.6 0.4 19.1 1

5 Drain pit pump -2

Air mixing pipe, LS

kgDS/h ÷mH *

Removal

6.5 to 8.5 6.5 to 8.5

50% 10 25

70% 54 150

70% 14

70% 30 100

50% 2 5

10% 23

10% 6 BOD*5% Cut

0% 0 50

10% 5 6.5

10% 1 BOD*1% Cut

Lines Manual type

= 8 m3

④Treated

TreatedSF AC

SludgeCake

④③

kw * 2 Nos

h ) * 17 h = 57 m37

= 11.4 m3/hkw * 2 Nos

Lines Manual type

= 250 m3/d= 100 kg BOD/d

1,000 = 143

= 72 m3

= 19.2 4.38 m □

= 6 m3

m3/timem3

g/m3 ÷ m3

h/d) m2 Line

= 11.4 m3/h2 Nos

1.1 m2φ1.18 m( 1.13

1.8 m31.6 mH

h = 23 m3

40 1 Nos

= 7 m3

1,000.0 = 0.1 kg NaClO/d* 1 = 0.6 L/d

60 min/h = 0.5 mL/min= 3 L

kw * 2 Nos

÷ 1,000 = 30.0 kg DS/dmg/L ) ÷ 1,000 = 122.5 kg DS/d

152.5 kgDS/d

m3/h Line

m3/ｈkw *

= 7.6 m3/d= 22.9 m3

25 kgDS/h1 Nos

= 1.3 m3/hkw * 2 Nos

19.1 19.1 m2

kw * 1 Nos

kw * 2 Nos

1 Block flow

2 Design parameter

Flow m3/d 250 250

Flow m3/h - 250 - 250

Operation h/d - - -

pH － 7 to 7.5 7 to 7.5 6.5 to 8.5

BOD 0% 95% 20

kg/d 0% 100 95% 5

COD 0% 85% 180

kg/d 0% 300 85% 45

SS 50% 80% 100

kg/d 50% 125 80% 25

O&G 0% 90% 5

kg/d 0% 13 90% 1

T-KN 0% 50% 25

kg/d 0% 13 50% 6

A-N 0% 0%

kg/d 0% 0%

T-P 0% 50% 6

kg/d 0% 3 50% 2

TDS mg/L < 2000

3 Sewage pit pump

mg/Ｌ 400 400

100 mg/Ｌ 1,200 1,200

300 mg/Ｌ 1,000 500

250 mg/Ｌ 50 50

13 mg/Ｌ 50 50

13 mg/Ｌ 20

5 mg/Ｌ 12.0 12

Max flowmm *

Clarifier ③

4 Capacity 250 m3/d * ( 17 h - 1/ 22

HRT 6 12 6 h

Equalization tank

SFAC BackwashTotal

Equalization pump

Flow m3/d /

CPHEEO 1993m3/h *

Accessory

Clarifier Tank

m3/h ÷( m3/m2/d÷

Accessory

Filter Feed pump

LV 10Area

30 m3/d * 3.0 g/m3 ÷0.1 kg/d÷ 12.0 1.2 0.6 L/d÷ 22 h/d ÷

m3/d *m3/h * mH *

m3/m2/hr

m * Lines

Accessory

％ ÷

mg/L －

4 8 m3/d

7.6 0.4 19.1 1

5 Drain pit pump -2

Air mixing pipe, LS

kgDS/h ÷mH *

Removal

6.5 to 8.5 6.5 to 8.5

50% 10 25

70% 54 150

70% 14

70% 30 100

50% 2 5

10% 23

10% 6 BOD*5% Cut

0% 0 50

10% 5 6.5

10% 1 BOD*1% Cut

Lines Manual type

= 8 m3

④Treated

TreatedSF AC

SludgeCake

④③

kw * 2 Nos

h ) * 17 h = 57 m37

= 11.4 m3/hkw * 2 Nos

Lines Manual type

= 250 m3/d= 100 kg BOD/d

1,000 = 143

= 72 m3

= 19.2 4.38 m □

= 6 m3

m3/timem3

g/m3 ÷ m3

h/d) m2 Line

= 11.4 m3/h2 Nos

1.1 m2φ1.18 m( 1.13

1.8 m31.6 mH

h = 23 m3

40 1 Nos

= 7 m3

1,000.0 = 0.1 kg NaClO/d* 1 = 0.6 L/d

60 min/h = 0.5 mL/min= 3 L

kw * 2 Nos

÷ 1,000 = 30.0 kg DS/dmg/L ) ÷ 1,000 = 122.5 kg DS/d

152.5 kgDS/d

m3/h Line

m3/ｈkw *

= 7.6 m3/d= 22.9 m3

25 kgDS/h1 Nos

= 1.3 m3/hkw * 2 Nos

19.1 19.1 m2

kw * 1 Nos

kw * 2 Nos

System Resistance Curve in excel

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