Iron Mine (Dewatering)

Below you will find the calculations on how we formulated the figure of equivalent cars globally.

Calculation B  
   
Calculate Pump Time  
120 Total Number of Rotating Equipment Per Site
75% Proportion Pumps
90 Total Number of Pumps Per Site
90% Utilisation
7,884 Utilisation Hours Per Year Per Pump
709,560 Total Pump Utilisation Hours Per Year Per Site
   
Calculate Pump Seal Energy Saving Usage #1  
20% % Plan 32's
18 Plan 32's per Mine
162 kW per pump seal energy saving plan 32 to 23
0.27 kg CO2 eq per kWh
1,277,208 kWh per pump
344,846 kg CO2 eq per pump
75 cars per pump
22,989,744 kWh per site
6,207,231 kg CO2 eq per site
1349 cars per site
   
Calculate Pump Seal Energy Saving Usage #2  
10% % Plan 21's
9 Plan 21's per Mine
40 kW per pump seal energy saving plan 21 to 23
0.27 kg CO2 eq per kWh
315,360 kWh per pump
85,147 kg CO2 eq per pump
18.51 cars per pump
2,838,240 kWh per site
766,325 kg CO2 eq per site
167 cars per site
   
Calculate Total Energy Savings Per Site  
25,827,984 kWh per site
6,973,556 kg CO2 eq per site
1,516 total number of equivalent cars saving per site
   
Scale Up For Global Usage  
732 global number of sites
18,906,084,288 kWh
5,104,642,758 kg CO2 eq
1,109,705 total number of equivalent cars globally

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  Calculation References
https://www.aditnow.co.uk/Database/...

The following assumptions have been made....
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Iron Mine Dewatering Case Studies

  • Reference: CH01188 - CH1189 - CH1195
  • Water Saving: 75 million litres / year

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The case for a great return on investment, from water and energy savings is very clear. "Adopt an Investment Policy to Prevent Global Warming".

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A Summary of Evidence

We estimate that widespread adoption of more climate-friendly policies in industry globally, could have the equivalent impact of taking 529.5 million cars off the roads.