Water purification
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DO WE HAVE ENAUGH WATER ? DO WE HAVE DRINKABLE WATER?
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40% Population has organized water supply.59.4% is depending on
other sources such as well, river, stream Including 10% unprotected
sources.
IN OUR COUNTRY
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MAJOR IMPURITIES PRESENT IN DRINKING WATERBacteriaVirusDirt and
sedimentChlorineLeadArsenic
Page #WATER, WATER,EVERY WHERE,BUT NOT A DROP TO DRINK Here
Comes .Important Of PURIFICATION!
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Department Of Mechanical & Manufacturing EngineeringFaculty
of EngineeringUniversity of RuhunaHapugala Galle Sri Lanka
Page #AdvisorDr. Ruwan Gallage
Co-AdvisorsDr. SrimalMr. VedhithaMr. T. Ranjan
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DOMESTIC WATER PURIFIERWickramarathne G.T
(EG/2012/2111)Thiviyanesan K. (EG/2012/2098)Thajivan S.
(EG/2012/2090)
Page #WATER PURIFIERWater purification is the transition of
dirty harmful water into clean safe water.IN
SRILANKA-BOILING-CHLORINATION DISADVANTAGESBad smell and
tasteOrganic chemical could be formed.
Page #COMMON TYPE WATER FILTERSUltra Violet WATER TREATMENT
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REVERSE OSMOSIS
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DISTILLATIONRemove Salts..sediments..bacteria..etc..No VOC
removed.
Page #SLOW SAND FILTER
Low energy requiresLow costButVery slowHeavy
Page #ARSENIC REMOVING METHODSOxidationCoagulation and
filtrationActivated aluminaGranular ferric hydroxide
Page #ACTIVATED CARBON FILTER
Most effective at removing Chlorine,sediment , VOC, taste and
odorNot effective at removingminerals,salts and dissolved inorganic
compounds
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TechnologyMoney
Page #Healthy Sri Lanka
Product of Sri Lanka Best for Sri Lanka
Page #Our Design
Page #How to remove salt taste and hardness of water?
Page #Thermodynamic knowledge-effective heat exchager-19
How to remove the arsenic?Theory :
Page #How to remove the arsenic?
Page #How to remove the arsenic?
Page #How to remove the
VOCsInsecticides and weedicidesBad taste and odorsChlorineRadon
and Etc ACTIVATED CARBON
Page #Methods of manufacturing activated carbon filter
Page #How to remove viruses, bacteria and other
micro-organisms?
UV- purifier
Page #Proposed time schedule
Page #Budget( Approximately)
Fabrication Rs. 10,000Testing and other Rs.10,000
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