A MINI PROJECT ON WATER ANALYSIS ON COVERED AND OPEN WELL
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TABLE OF CONTENT
CHAPTER ONE
- Introduction
- Properties of water
- Sources of water
- Types of water
- Uses of water
- Properties of well water
- Preview of water analysis
- Aims and objective
- Justification
CHAPTER TWO
- Sample collection
- Reagent used
- Apparatus used
- Instrument used
- Reagent preparation
- Procedure
CHAPTER THREE
- Result
- discussion
- Conclusion
- References
CHAPTER ONE
1.0 INTRODUCTION
Water is a chemical compound with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure, but it often co-exists on earth with its solid state ice, and gaseous state (water vapor or steam).
Water also exists in a liquid crystal state near hydrophilic surfaces. Water covers 71% of the earth’s surfaces and is vital for all known forms of life. On earth’s surface 96.5%of the planet’s water is found in oceans, 1.7% in ground water, 1.7% in glaciers and the ice caps of Antarctica and Greenland, a small fraction in other large water bodies, and o.oo1% in the air as vapor, clouds (formed of solid and liquid water particles suspended in air) and precipitation. Only 2.5% of the earths water ground water. Less than 0.3% of all freshwater is in rivers, lakes, and the atmosphere, and an even smaller amount of the earth’s fresh water (0.003%) is contained within biological bodies and manufacture products.
Water on earth moves continually through the water cycle of evaporation and transportation (evapotranspiration) condensation, precipitation, run off, usually reaching the sea. Traporarion and transpiration contribute to the precipitation over land.
1.1 PROPERTIES OF WATER
THE MAJOR CHEMICAL AND PHYSICAL PROPERTIES OF WATER.
– Water is a liquid at standard temperature and pressure. It is tasteless and odorless. The intrinsic colour of water and ice is a very slight blue hue, although both appear colorless in small quantities.
– Water is transparent in the visible electromagnetic spectrum. Thus aquatic plants can live in water because sunlight can reach them. Infrared light is strongly absorbed by the hydrogen – oxygen or OH bonds.
– Water is a good polar solvent and is often referred to as the universal solvent. Substances that dissolve in water, e.g. salts, sugars, acids, alkalis and some gases especially oxygen, carbon dioxide (carbonation) are known as hydrophilic (water fearing) substance.
– Most of the major components in cells (proteins, DNA and polysaccharides) are also dissolved in water.
– Pure water has a low electrical conductivity, but this increase we with the dissolution of a small amount of ionic material such as sodium chloride.
– The boiling point of water (and all other liquids) is dependent on the barometric pressure. For example, on the top of Mt. Everest water boil at 680c (154 o f) compared to 100oc (212) at sea level. Conversely, water deep in the ocean near geothermal vents can reach temperature of hundreds of degrees and remain liquid
At 4181.3J (kg.k), water has a high specific heat capacity, as well as a high heat of vaporization (40.65KJ. mol-1). Both of its molecules. These two unusual properties allow water to moderate earth’s climate by buffering large fluctuation in temperature
– The density of liquid water is 1,000 kg/m3 (62.43 1b/cu ft) at 4oc.
– Water forms an zoetrope with many other solvents.
– Water can be split by electrolysis into hydrogen and oxygen.
– As an oxide of hydrogen, water is formed when hydrogen or hydrogen – containing compound burns or react with oxygen or oxygen containing compounds
1.7 AIMS AND OBJECTIVES
AIMS
1. To develop an integrated portable water system, using existing technology to effectively treat and store water from than one source.
2. To develop a method of allowing NGO’s to accurately make problems in water treatment to this correct solution.
3. To present improve ways in which this technology can be replicated.
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