35 0 99KB
Dosing Calculation
Chemical Calculation for RO Plant
Project Name:
BWRO Plant @ Al Radwa
Project Ref. No.
120111400
Feed Flow (m3/d):
1333
Product Flow (m3/d):
1000
System Recovery:
75%
Function
Chemicals
Form
Solution Conc.
Dose (ppm)
kg/day
SG
Flow l/h
Selected DP Capacity l/h
Speed %
Stroke% DP Model
Tank size (gallon)
Chemical Consumption Kg/ Ton/ Month Year
Selected size (gallon)
Kg/Day
Liquid Liquid Powder Liquid Liquid
0.1 0.4 0.1 0.96 1
Factory Factory Dilution Factory Factory
As 100% 2.0 10.0 4.5 8.5 5.0
2.67 13.33 6.00 11.33 6.67
1.14 1.26 1.07 1.84 1.00
0.97 1.10 2.34 0.27 0.28
1.60 0.60 3.80 1.60 0.79
78.05 135.54 78.45 40.88 59.30
78.05 135.54 78.45 40.88 59.30
P125 – 358 TI
Pre-treatment
Sodium Hypochlorite, NaOCl Ferric Chloride, FeCl3 Sodium bisulphite, Na2S2O5 Sulphuric Acid, H2SO4 Antiscalant M50
3 days 18.5 21.0 P135 – 398 TI 44.5 P125 – 358 SI 5.1 P125 – 358 TI 5.3
35 8 55 30 30
26.7 33.3 6.0 11.8 6.7
800.0 1000.0 180.0 354.2 200.0
292 365 65.7 129.27 73
Post treatment
Sodium Hypochlorite, NaOCl Sodium Hydroxide , NaOH
Liquid Liquid
0.1 0.45
Factory Factory
1.0 6.7
1.00 6.70
1.14 1.48
0.37 0.42
0.79 0.79
68.02 72.84
68.02 72.84
P125 – 358 TI P125 – 358 TI
15 35
10.0 14.9
300.0 446.7
109.5 163.03
6.9 8.0
Notes: Legend: Under size selection Inputs / Correct selection
Page 1
Chemicals cost
Project Name:
BWRO Plant @ Al Radwa
Project Ref. No.
120111400
Feed Flow (m3/d):
1333
Product Flow (m3/d):
1000
System Recovery:
75% Prices validated on Chemical Consumption
Function
Pre-treatment
Post treatment
Chemicals Sodium Hypochlorite, NaOCl Ferric Chloride, FeCl3 Sodium bisulphite, Na2S2O5 Sulphuric Acid, H2SO4 Antiscalant M50 Sodium Hypochlorite, NaOCl Sodium Hydroxide , NaOH
Form Liquid Liquid Powder Liquid Liquid Liquid Liquid
Kg/Day 26.7 33.3 6.0 11.8 6.7 10.0 14.9
Kg/ Month 800.0 1000.0 180.0 354.2 200.0 300.0 446.7
Ton/ Year 292.0015 365.0018 65.70033 129.2715 73.00037 109.5 163.0333
30-May-10
Cehmicals Cost in AED Rate, AED/Kg 1.3 1.4 4 1.8 5 1.3 2
Page 2
AED/ Day AED/ Month AED/ Year 34.7 1,040.0 379.6 46.7 1,400.0 511.0 24.0 720.0 262.8 21.3 637.5 232.7 33.3 1,000.0 365.0 13.0 390.0 142.4 29.8 893.3 326.1