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Design of Public WorksDesign of Public WorksFONYÓ GYÖRGYFONYÓ GYÖRGY
(06-1)-463-2955(06-1)-463-2955
www.vcst.bme.hu
ftp://designofpublicworks
Technical University of BudapestTechnical University of Budapest
Department of Water Management and Department of Water Management and Sanitary EngineeringSanitary Engineering
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Requirements:Requirements:
•PresentationPresentation
•TestTest
Program:Program:
•LecturesLectures
•Practical work cosultations (design)Practical work cosultations (design)
•Field tripsField trips
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SURFACE WATER TREATMENT SURFACE WATER TREATMENT TECHNOLOGIESTECHNOLOGIES
Pre-chPre-ch
ST
RM RM
ChCh ChCh
ChCh
ChCh
Flocculator
Sedi. tank
Rapid sand filter
GAC Ozon
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BASIC PROCESSESBASIC PROCESSES
•Oxidation - reductionOxidation - reduction
•Phase separation:Phase separation: gas - liquidgas - liquid
solid - liquidsolid - liquid
course - sedimentation flotationcourse - sedimentation flotation
fine - sand filtrationfine - sand filtration
•Chemical precipitationChemical precipitation
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•Adsorption:Adsorption:
activated carbonactivated carbon
powderedpowdered
granulatedgranulated
•pH and buffering capacity controlpH and buffering capacity control
•Others ( membrane processes )Others ( membrane processes )
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PIPELINE LAYOUTPIPELINE LAYOUTprimary feeder (arterial main)
secondary feeder
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WATER DISTRIBUTION SYSTEM
WATER DISTRIBUTION SYSTEM
• INTERCONNECTED NETWORK OF
PIPELINES
• STORAGE TANKS
• PUMPS
• SMALLER APPURTENANCES– VALVES– FLOW METERS
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WATER DISTRIBUTION SYSTEM
WATER DISTRIBUTION SYSTEM
• ADEQUATE QUANTITIES
• SUFFICIENT PRESSURES
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HYDROSTATICS PRESSURE
HYDROSTATICS PRESSURE
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PER CAPITA DEMANDPER CAPITA DEMANDType of use L/d/person % of total
Domestic 300 44
Commercial/industrial
260 39
Public 60 9
Loss 50 8
Total 670 100
PEAK: 2 * 670
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VARIATION IN WATER DEMAND
VARIATION IN WATER DEMAND
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PROBLEMSPROBLEMS
TUBERCULATION
IRON-OXIDE
CALCIUM-CARBONATE
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SEWERAGE COLLECTION SYSTEM
Wastewater types:
• Sanitary (domestic)
• Industrial
• stormwater
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SEWERAGE COLLECTION SYSTEM
Sewerage types:
• Combined sewers
• Separate sewers
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OR WWTP
precipitationprecipitation precipitation
Pre sedimentation
Post sedimentation
Activated sludge
unitPost sedimentation
disinfection
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SOPHISTICATED TECHNICS
In reverse osmosis, the idea is to use the membrane to act like an extremely fine filter to create drinkable water from salty (or otherwise contaminated) water. The salty water is put on one side of the membrane and pressure is applied to stop, and then
reverse, the osmotic process.
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A semipermeable membrane is a membrane that will pass
some atoms or molecules but not others
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priceprice(Ft)(Ft)
16001600
14001400
12001200
10001000
800800
600600
400400
200200
1010 2020 3030 4040 5050
quantityquantity(q)(q)
6060 7070
aa
ff
ee
dd
cc
bb
gg
SS
aa
ff
dd
cc
bb
gg
DD
point of balancepoint of balance
lacklack
surplussurplus
ECONOMY
MARSHALL CROSS