PROF DR NASIM A. KHAN VICE CHANCELLOR JAN 2011 ALTERNATIVE ENERGY BASED WATER RESOURCE SOLUTION...
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Transcript of PROF DR NASIM A. KHAN VICE CHANCELLOR JAN 2011 ALTERNATIVE ENERGY BASED WATER RESOURCE SOLUTION...
PROF DR NASIM A. KHAN VICE CHANCELLOR
JAN 2011
ALTERNATIVE ENERGY BASED WATER RESOURCE SOLUTION MODEL
FOR KARACHI
662 GPD
3200 Gallons per day (GPD)
WATER STRESS LEVEL
Pakistan’s Water Scenario
Pakistan’s Water Scenario (Trillion Gallons)
Year 2004 2025
Availability 29 29
Requirement (including drinking water)
31 37
Overall Shortfall (In trillion Gallons) 2 8
Source: Ten Year Perspective Development Plan 2001-11, Planning Commission
Karachi Water Scenario
SOURCE: KWSB
526 MGD
CURRENT WATER SUPPLY & DEMAND
YEAR POPULATION
MILLIONS
WATER DEMAND
MGD
WATER SUPPLY
MGD
SHORTAGE
MGD
2010 19 734 637 97
2015 23 917 637 280
2020 28 1029 637 392
2025 32 1163 637 526
SOURCE: KWSB 2007
HAMDARD UNIVERSITY
ALTERNATIVE ENERGY BASED
WATER SOLUTION MODEL
(WSM)
Concept WATER SUSTAINABILITY- CRISIS TO SOLUTION
• The Crisis is Looming over Pakistan and is expected to create many civil issues. Instead of 45 gallons (standard of WHO) Karachi citizens are getting only 25 gallons/day.
• The total being received for various utilities in Karachi for consumption is again200 million gallons less. It is therefore our responsibility to create awareness and process solutions for Water Crisis.
Concept WATER SUSTAINABILITY- CRISIS TO SOLUTION
• WATER SUSTAINABILITY – – River water will not be able to meet future
demands– Changing weather patterns may also change
water from rivers– Global and local warming is anticipated to
reduce the snow accumulation in mountains thereby affecting river water adversely
– Sustained water source is only sea
Concept WATER SUSTAINABILITY- CRISIS TO SOLUTION
• CRISIS TO SOLUTION– Provision of Fresh water– Sea water is the natural solution for lower Sindh and
Balochistan’s coastal belt– Energy cost that comprise 80%-85% of operating
cost can be reduced by using wind and other alternative means
– Use of gravity to supplement Reverse Osmosis pressure will further reduce energy requirements
• Wind lean period can be alleviated by extra additional storage
• Wind turbine once locally made will reduce the cost as well as provide additional jobs
CONCLUSION
Similar Water pumping example in Karachi, Pakistan
Concept is not theoretical as already similar examples exists in Karachi as follows
100-110 MGD Hub Dam Water ChannelArriving at Hub Water Pumping Station on
Shahrah-e-Madinat AlHikmah
HUB PUMPING STATION
• AVERAGE WATER PUMPED= 110 TO 115 MILLION GALLONS / DAY (MGD)
• HEIGHT OF STORAGE TANK= 182 FEET
• SIZE OF PIPE= 66 INCHES
• PUMPED IN TWO SETS WITH 5.8 MW AND 6.8 MW POWER
SOURCE: HUB PUMPING STATION
HUB WATER PUMPING STATION (SET-1)
ITEM MOTOR MGD
KW NUMBERS TOTAL KW TOTAL MGD
SIZE 24 1150 4 4,600 96
12.5 600 2 1,200 25
TOTAL 36.5 - 6 5,800 121
SOURCE: HUB PUMPING STATION
HUB WATER PUMPING STATION (SET-2)
ITEM MOTOR MGD
KW NUMBERS TOTAL KW TOTAL MGD
SIZE 35 1350 4 5,400 140
17.5 700 2 1,400 30
TOTAL - - 6 6,800 170
SOURCE: HUB PUMPING STATION
SOURCE: HUB PUMPING STATION
SOURCE: HUB PUMPING STATION
SOURCE: HUB WATER FILTERATION PLANT
HUB WATER IN LET AT FILTERATION PLANT
SOURCE: HUB WATER FILTERATION PLANT
WATER FILTERATION PLANT
SOURCE: HUB WATER FILTERATION PLANT
80 MGD WATER STORAGE TANK
CONCLUSION
ASSOCIATED AREAS
• RECYCLING OF WASTE SEWAGE WATER
• TWO PIPE CONCEPT• RAIN WATER HARVESTING• INTEGRATED PLANNING FOR WATER• WATER CONSERVATION ENFORCED• DEVELOP RO TECHNOLOGY
COMPONENTS LOCALLY TO REDUCE COST OF DESALINATION