Sterilisation of Water Using Bleaching Powder

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STERILIZATION OF WATER USING BLEACHING POWDER
A CHEMISTRY INVESTIGATORY PROGECT
ANSHUL KUMAR PANDEY XII B

[THIS PROJECT LOOKS AT THE TECHNIQUE CALLED STERILIZATION OF WATER USING BLEACHING POWDER WHICH IS USED TO PURIFY WATER AND MAKES IT FIT FOR DRINKING.]

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INDEX
1. Certificate of Authenticity 2. Acknowledgement 3. Introduction -Need of Water -Purification of Water -Need for a stable purification technique

4. Theory -History of Water purification
-Bleaching powder and its preparation -Use of Bleaching powder in Sterilization of water

5. Experiment -Aim
-Pre-Requisite Knowledge -Requirements -Procedure

6. Result 7. Bibliography

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CERTIFICATE OF AUTHENTICITY

This is to certify that Anshul Kumar Pandey, a student of class XII has successfully completed the research project on the topic “Sterilization of Water by using Bleaching Powder” under the guidance of Mrs. Mohini Belani (Subject Teacher). This project is absolutely genuine and does not indulge in plagiarism of any kind. The references taken in making this project have been declared at the end of this report.

Signature ( Subject Teacher)

Signature ( Examiner)

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ACKNOWLEDGEMENT

I feel proud to present my Investigatory project in Chemistry on the topic “Sterilization of Water using Bleaching powder” which aims at using Bleaching powder as a disinfectant and purifier to make water fit for drinking.

This project wouldn’t have been feasible without the proper and rigorous guidance of my Chemistry teacher Mrs. Mohini Belani who guided me throughout this project in every possible way. An investigatory project involves various difficult lab experiments which have to be carried out by the student to obtain the observations and conclude the report on a meaningful note. These experiments are very critical and in the case of failure, may result in disastrous consequences. Thereby, I would like to thank both Mrs.Belani and Lab Asst.Mr.Rajkumar for guiding me on a step by step basis and ensuring that I completed all my experiments with ease.

Rigorous hard work has been put in this project to ensure that it proves to be the best. I hope that this project will prove to be a breeding ground for the next generation of students and will guide them in every possible way.

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INTRODUCTION

Need of water Water is an important and essential ingredient in our quest for survival on this planet. It is very essential for carrying out various metabolic processes in our body and also to carry out Hemoglobin throughout the body. A daily average of 1 gallon per man is sufficient for drinking and cooking purposes. A horse, bullock, or mule drinks about 11 gallons at a time. standing up, an average allowance of 5 gallons should be given for a man, and 10 gallons for a horse or a camel. An elephant drinks 25 gallons, each mule or ox drinks 6 to 8 gallons, each sheep or pig 6 to 8 pints. These are minimum quantities. One cubic foot of water = 6 gallons (a gallon = 10 lbs.). In order to fulfill such a huge demand of water, it needs to be purified and supplied in a orderly and systematic way. But with the increasing world population, the demand for drinking water has also increased dramatically and therefore it is very essential to identify resources of water from which we can use water for drinking purposes. Many available resources of water do not have it in drinkable form. Either the water contains excess of Calcium or Magnesium salts or any other organic impurity or it simply contains foreign particles which make it unfit and unsafe for Drinking.

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Purification of Water There are many methods for the purification of water. Some of them are 1. Boiling 2. Filtration 3. Bleaching powder treatment 4. SODIS (Solar Water Disinfection) And the list goes on…. Boiling is perhaps the most commonly used...
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