ASP Reactor

SAFF REACTOR Design flow Incoming BOD to SAFF BOD load in % BOD Removal BOD removed BOD out Media height Media type Surface area Loading rate Media reqd. Media plan Reqd. No. of compartment Area of each compartment Length of Compartment Width of compartment Area of each compartment Media plan actual Media volume actual Size of tank (Media) Aeration type 1kg BOD requires Amount of O2 reqd. % of O2 in Air Density of air Amount of Air Std. O2 transfer efficiency Field Capacity Actual amount of Air Reqd. No of diffusers F.B. Water level above media Water level below media SAFF liquid depth

Summary No. of compartment Media Volume Tank size No. of Diffusers

cum/d cum/h mg/l kg/d % mg/l kg/d mg/l m MMAQUA sqm/cum KgBOD/cum.d cum sqm sqm m m sqm sqm cum mxmxm

kg/d kg/h % kg/cum cum/h % % cum/h nos. m m m m

nos cum mxmxm

600 25.0 300 180 94 282 169.2 20 2.4 FB.10.27 100 1.2 150.00 62.50 2 31.3 6.00 5.40 32.40 velocity= 0.8 32.40 (cum/hr) 155.5 6.0x5.4x2.4 Diffused Air Fine bubble 1.7 KG OF O2 287.64 11.99 20 1.2 49.90 20 70 356.40 42 5 cfm/diffuser 0.3 0.5 (0.3-1.0) 1.2 (0.5-1.5) 4.1

2 155.5 6.0 X 5.4 X 4.1 42

5.59 5.21

MM AQUA TECHNOLOGIES LTD.

SECONDARY TREATMENT PARAMETER Flow rate

UNIT VALUE cu.m/d 600 cu.m/hr 25.00 Number of Clarifiers Nos. 1 Design flow per clarifier cu.m/hr 25.00 Vertical ht. Of TS m 0.75 Shape MMATL Make Hex.-Chevron Cross section size mm X mm 120 X 44 Settling area sq.m/cu.m 11 Angle of inclination degrees 60 Settling velocity m/hr 0.5 Factor of safety 0.7 Vol. Of TUBEDEK/clarifier cu.m 6.49 Area of TUBEDEK sq.m 8.66 SLR cu.m/sq.m-hr 2.9 OK Area of TUBEDEK required sq.m 8.66 Dim. Of TUBEDEK mXm 3.50 X 2.50 Angle correction m 0.43 SAY 0.5 Width of inlet chamber m 0.50 Tank dimension mXm 3.50 X 3.50 Actual Tube plan area sq.m 8.75 Actual Tube volume cu.m 6.56 SLR at design flow cu.m/sq.m-hr 2.9 Water above T.S. m 0.60 Water below T.S. m 0.80 Side water depth m 2.2 Free board m 0.30 Tank depth(excl. hopper) m 2.45 Tank Dimension mXmXm 3.5 X 3.5 X 2.45 Bottom slope degrees 45 Number of Hoppers Nos. 1 Hopper bottom dimension m X m 0.5 X 0.5 Hopper depth m 1.50 WLR cu.m/m-day 200 Weir length reqd. m 3.0 Total TUBEdek volume

cu.m

6.6

SPECIFICATIONS: Media Type Media Make

FS 41.50 MM AQUA

ASP Range Design Flow (Q0) Incoming BOD (S0) BOD load BOD out (S) % BOD Removal Y Kd

ѳ

cum/d cum/h mg/l kg/d mg/l %

0.06

c

HRT (ѳ) MLVSS (X) Xr Qw Density of air % of oxygen in air

600.00 25.00 450.00 270.00 30.00 93.33 0.60

h d mg/l mg/l cum Kg/cum

Volume of tank cum Calculation of X mg/l recirculation ratio Qr/Q0 ѳc days Treament efficiency HRT Mass to be wasted /d Mass utilised /d Oxygen required Kg/d Kg/h Quantity of air cum/d cum/h

10.00 4.00 0.17 2500.00 8900.00 150.00 1.19 21.00

378.00 24192.00 1760000.00 0.19 Q0*ѳ*X/Qw*Xr 93.33 0.63 375.00 370588.24 370055.74 15418.99 14870.63 619.61

SST Unit cum/d cum/h OFR or SLR m3/m2-d Surface area of tank m2 Dimeter of tank m Free board m Depth of tank m Volume of tank m2 Length of weir m Weir loading rate m3/m-d Design flow

Quantity Range 20000.00 833.33 15.00 1333.33 41.21 0.30 3.70 4933.33 129.41 386.37 250-375