impact of on energy saving eng: fayez badr [email protected] # 01229007111 senior advisor water and...
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Impact of on energy saving
Eng: Fayez Badr
[email protected]# 01229007111 senior advisor Water and wastewater management programm (WWMP)Giz-Egypt
8 May 2014
Technical Sustainable ManagementEgyptian Approach to Raising Management Standards
in the Water Sector Case study
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Definition of Neighborhood day :
• It is a forum for the stakeholders of the TSMEgypt facilities to discuss challenges, and knowledge transfer
• This programm highlighted energy saving of O&M cost
Definition of Technical sustainable management program(TSMegypt)
It is an Egyptian programm aims to enhance water services to reach to the international standard
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Case studies on energy saving as an impact of TSM-Egypt certificate
1- Balaqse WWTP 2- Qaha WWTP
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1- Balaqs WWTP
Basic data
Location: Cairo-Egypt Area:85 AcrDesign flow:600.000m3/dTreatment technology: conventional activated sludge Year of operation :1992Year of certification: 2011Power factor: 0.83
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Impact of installation of power factor capacitors bank
1- Claim of power factor The annual power factor penalty = 150.000€ total claims in 14 year =150.000×14=2.100.000 €
2- Saving calculation:• Installation cost of the capacitors bank =500.000 €• Life time of the capacitors bank =14 year• Annual penalty =150.000 €• Pay pack = 3.3 year • Annual saving in 14 year = 2.100.000-500.000÷14=114.000 €
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Power factor before and after installation of capacitors
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Max demandDefinition it is a penalty add to the monthly electrical bill If the facility consumed electricity more than the contracted power
Measurement • The electric company install peak load meter, to measure it• the potentiometer of the meter moves after 15 min of
consumption to be add for the next extra Contracted consumption.
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Calculation • Momentary consumption considers as an annual
consumption not momentary consumption.
penelty• cost of the contracted KW= 0.29 pound • Cost of KW=21 pound i.e. 72 times
Max demand
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Peak load meter
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Balaqs WWTP get rid of the annual max demand penalty which was 50.000 €/year after application of the following programms:
SOPs through: Pumps operation
Operate the electric generator during peak load period Apply an Interactive operational plan of the electrical
equipment. Apply routine maintenance plan Training
Impact of TSM-Egypt certificate on power saving
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1- QAHA WWTP
Basic data
Location: Qaluobya -Egypt Area:6 AcreDesign flow:10.000m3/dActual flow :4500 m3/dTreatment technology: activated sludge(extended aeration-Kruger technology )Year of operation :2004Year of certification: under citification
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Plant Lay out
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Impact of modification of operation plan
The plant have two trains, both of them was in service although it is receives half of the design flow
Action:• Stop one of the trains to be a stand by
Component of the train• 4 rotating brushes -45 Kw/each • Beside modify the operating time of the RAS& WAS pumps from 12 hour to 8 hour /day
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Electric Power bills analysis
Month Consumption (KW) Cost (pound )Annual Saving Percentage
October 2013 86400 25057 20.5%
December 2013 75200 21809
January 2014 70800 19914
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