Waterpurification.pdf
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- Words: 410
- Pages: 27
Page 1
DO WE HAVE ENAUGH WATER ?
DO WE HAVE DRINKABLE WATER?
Page 2
IN OUR COUNTRY 40%
Population has organized water supply. 59.4% is depending on other sources such as well, river, stream Including 10% unprotected sources.
Page 3
MAJOR IMPURITIES PRESENT I DRINKING WATER • • • • • •
Bacteria Virus Dirt and sediment Chlorine Lead Arsenic
Page 4
Here Comes …. Important Of PURIFICATION
!
Page 5
Department Of Mechanical & Manufacturing Engineering Faculty of Engineering University of Ruhuna Hapugala Galle Sri Lanka
Page 6
Advisor Dr. Ruwan Gallage
Co-Advisors • Dr. Srimal • Mr. Vedhitha • Mr. T. Ranjan Page 7
DOMESTIC WATER PURIFIER Wickramarathne G.T (EG/2012/2111) Thiviyanesan K. (EG/2012/2098) Thajivan S. (EG/2012/2090)
Page 8
WATER PURIFIER Water purification is the transition of dirty harmful water into clean safe water.
IN SRILANKA -BOILING -CHLORINATION
DISADVANTAGES Bad smell and taste Organic chemical could be formed.
Page 9
COMMON TYPE WATER FILTER Ultra Violet WATER TREATMENT
Page 10
REVERSE OSMOSIS
Page 11
DISTILLATION Remove Salts..sediments..bacteria..etc.. No VOC removed.
Page 12
SLOW SAND FILTER Low energy requires… Low cost But… Very slow…Heavy…
Page 13
ARSENIC REMOVING METHODS
Oxidation Coagulation and filtration Activated alumina Granular ferric hydroxide
Page 14
ACTIVATED CARBON FILTER • Most effective at removing Chlorine, sediment , VOC, taste and odor • Not effective at removing minerals, salts and dissolved inorganic compounds
Page 15
Technology
Money
Page 16
Healthy Sri Lanka Product of Sri Lanka Best for Sri Lanka Page 17
Our Design Page 18
How to remove salt taste and hardness of water?
Page 19
How to remove the arsenic? Theory :
Page 20
How to remove the arsenic?
Page 21
How to remove the arsenic?
Page 22
How to remove the VOC’s Insecticides and weedicides Bad taste and odors Chlorine Radon and Etc…
Page 23
Methods of manufacturing activated carbon filter… Clean coconut shell
Sun dry.
Burn dried coconut shell at 300-500 C for 3-5 hours.
Spread on tray at room temperature to be drained.
Wash charcoal with distilled water
Soak charcoal in CaCl2 or ZnCl2 for 12-18 hours.
Crushing
Pack activated charcoal in plastic vessel
Dry in oven at temperature 110 C for 3 hours.
Page 24
How to remove viruses, bacteria and other micro-organisms?
UV- purifier
Page 25
Proposed time schedule
Page 26
Budget( Approximately) • Fabrication – Rs. 10,000 • Testing and other – Rs.10,000
Page 27
DO WE HAVE ENAUGH WATER ?
DO WE HAVE DRINKABLE WATER?
Page 2
IN OUR COUNTRY 40%
Population has organized water supply. 59.4% is depending on other sources such as well, river, stream Including 10% unprotected sources.
Page 3
MAJOR IMPURITIES PRESENT I DRINKING WATER • • • • • •
Bacteria Virus Dirt and sediment Chlorine Lead Arsenic
Page 4
Here Comes …. Important Of PURIFICATION
!
Page 5
Department Of Mechanical & Manufacturing Engineering Faculty of Engineering University of Ruhuna Hapugala Galle Sri Lanka
Page 6
Advisor Dr. Ruwan Gallage
Co-Advisors • Dr. Srimal • Mr. Vedhitha • Mr. T. Ranjan Page 7
DOMESTIC WATER PURIFIER Wickramarathne G.T (EG/2012/2111) Thiviyanesan K. (EG/2012/2098) Thajivan S. (EG/2012/2090)
Page 8
WATER PURIFIER Water purification is the transition of dirty harmful water into clean safe water.
IN SRILANKA -BOILING -CHLORINATION
DISADVANTAGES Bad smell and taste Organic chemical could be formed.
Page 9
COMMON TYPE WATER FILTER Ultra Violet WATER TREATMENT
Page 10
REVERSE OSMOSIS
Page 11
DISTILLATION Remove Salts..sediments..bacteria..etc.. No VOC removed.
Page 12
SLOW SAND FILTER Low energy requires… Low cost But… Very slow…Heavy…
Page 13
ARSENIC REMOVING METHODS
Oxidation Coagulation and filtration Activated alumina Granular ferric hydroxide
Page 14
ACTIVATED CARBON FILTER • Most effective at removing Chlorine, sediment , VOC, taste and odor • Not effective at removing minerals, salts and dissolved inorganic compounds
Page 15
Technology
Money
Page 16
Healthy Sri Lanka Product of Sri Lanka Best for Sri Lanka Page 17
Our Design Page 18
How to remove salt taste and hardness of water?
Page 19
How to remove the arsenic? Theory :
Page 20
How to remove the arsenic?
Page 21
How to remove the arsenic?
Page 22
How to remove the VOC’s Insecticides and weedicides Bad taste and odors Chlorine Radon and Etc…
Page 23
Methods of manufacturing activated carbon filter… Clean coconut shell
Sun dry.
Burn dried coconut shell at 300-500 C for 3-5 hours.
Spread on tray at room temperature to be drained.
Wash charcoal with distilled water
Soak charcoal in CaCl2 or ZnCl2 for 12-18 hours.
Crushing
Pack activated charcoal in plastic vessel
Dry in oven at temperature 110 C for 3 hours.
Page 24
How to remove viruses, bacteria and other micro-organisms?
UV- purifier
Page 25
Proposed time schedule
Page 26
Budget( Approximately) • Fabrication – Rs. 10,000 • Testing and other – Rs.10,000
Page 27
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