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Analysis of Water Quality and Treatment Using Natural Coagulants
1. DEPARTMENT OF CIVIL
ENGINEERING
M.E. ENVIRONMENTAL ENGINEERING
PROJECT PHASE – II– P18EEP3702
R-18 Regulation
ANALYSIS OF WATER QUALITY USING NATURAL
COAGULANT
at Kumaraswamy lake,Coimbatore.
SECOND REVIEW
Presented by:
POOJANANDINE PV (20MEE009),
M.E Environmental Engineering (II Year).
Guided by:
Dr . A. GANDHIMATHI.,
Associate Professor,
Department of Civil Engineering.
2. • Water scarcity is now become an important problem now a days.
• In order to compensate that we collected the water sample at Kumarasamy lake,
Gandhipark, Coimbatore.
• Thus removal of the suspended particles from the lake water using natural
coagulants and checking the availability as drinking water is to be discussed here.
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INTRODUCTION
3. • Kumarasamy lake, Gandhipark, Coimbatore.
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STUDY AREA
4. • Analysis of water quality.
• Treatment of water using natural coagulants,(Moringa oleifera, Cicer
arietinum and Dolichos)
• Checking of suitability of lake water.
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OBJECTIVE
5. • To treat the lake water for the drinking purpose.
• Promotes the use of natural coagulants.
• Reduce the use of chemical coagulants.
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SCOPE
6. • Check for the correct sample bottle and label.
• Turn on cold water tap at maximum flow and start timing.
• Let water flow for 2 to 5 minutes into and out the sample bottle depending
on how often the tap is used ,after washing, open cap of the sample bottle.
• Keep holding the sample bottle cap in one hand while sample is being
collected to ensure it does not come into contact with anything to avoid
contamination, fill the sample bottle carefully to prevent overfill.
• Carefully put the cap back on the sample bottle, Store water samples in ice-
boxes with freezer packs and deliver to laboratory on the same day.
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SAMPLE COLLECTION PROCEDURE
Water Sampling Procedure (ISO 5667 Part 5)
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METHODS OF ANALYSIS
SL.NO PARAMETERS METHODS
1. pH Electrometric pH meter
2. Turbidity Spectrophotometer
3. Hardness Titration with EDTA
4. Fluoride Laboratory Method
5. Dissolved oxygen Iodometric (Titrimetric)
6. Chemical oxygen demand Titration with Ferrous ammonium sulphate
7. Ammonia nitrogen Titration with Sulphuric acid
8. • pH- pH is considered as environmental engineering practice such as for
water supplies, waters softening, disinfection and corrosion control.
• If the pH is below 7 it is said to be acidic and if the pH is higher than 7 it is
said to be alkaline.
• The normal drinking water pH range is between 6.5 and 8.5. pH is measured
by using by pH meter.
• Turbidity- turbidity is an important indicators the amount of suspended
sediment in water which can have many negative effects of aquatic life.
• The diseases are caused by the organisms in water.
• The turbidity is measured by turbidity meter.
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WATER PARAMETERS
9. • Hardness- Hardness is a measure of water to precipitate soap.
• The calcium hardness precipitates leads to scaling in boilers which causes
considerable economic loss.
• Magnesium hardness precipitate with sulphate ion, it has laxative effects.
• Chemical oxygen demand - It is the measurement of the capacity of water
to consume oxygen during the decomposition of organic matters and the
oxidation of inorganic chemicals such as ammonia and nitrate.
• It also determines the oxygen required for chemical oxidation of most
organic matters with help of chemical oxidant.
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WATER PARAMETERS
10. • Fluoride - Fluoride is the process of decreasing in intensity of color is
directly proportional to fluoride concentration.
• It is presence of large amounts of fluoride is associated with dental and
skeletal fluorosis.
• Dissolved oxygen - It can be dissolved by present of water by algae, in
photosynthesis or by mechanical equipment.
• Dissolved oxygen indicates the water ability to purify from biochemical
processes.
• Ammonia nitrogen - Ammonia ions react with nesslers reagent to form a
brown colour substance and can be determined.
• Most of the natural water and waste water have interfering substances so
that the steam distillation of ammonia becomes essential.
• The ammonia is present in the water through the fertile soil.
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WATER PARAMETERS
13. WORK TO BE DONE
• The tested sample has been kept under refrigeration for further testing.
• Checking of water parameters after treatment.
• Bringing it to standard limits and checking the suitability for drinking.
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