Name: Affiliated Institution: Course: Date: Water Filtration The methods used in this experiment are simple filtration methods which are used by many water companies worldwide. In this experiment simple lab equipment was used‚ after contaminating water with various contaminants the water was filtered by using cheesecloth‚ sand‚ activated charcoal and alum. The contaminants used in the experiment are the most common and the most hazardous. They include; cleaning detergents
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Water is composed of Oxygen and Hydrogen. It is found in wells‚ springs‚ ponds‚ rivers‚ canals and oceans. About one fourth of the earth is covered with water. It is obtained mainly from the rains. Water is really a precious gift of Nature. It has no taste‚ no smell‚ and no colour. The other name of water is life. We cannot live without water. We drink it‚ cook our food with it‚ bathe in it‚ and wash our body and things with it. The farmers need water for growing crops or plants. With water‚ the
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The Role of Agarase in Agar-Degrading Bacteria Abstract Agar-Degrading (agarolytic) Bacteria is physiological class of bacteria capable of utilising agar as a sole carbon source. This ability is made available by the use of agarases - enzymes which break down agarose into oligosaccharides. This physiological class branches through genii‚ regardless of Gram Stain status or morphology. Through a review of scientific literature we can find identification methods‚ optimum conditions and the
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Drinking water or potable water is water safe enough to be consumed by humans or used with low risk of immediate or long term harm. In most developed countries‚ the water supplied to households‚ commerce and industry meets drinking water standards‚ even though only a very small proportion is actually consumed or used in food preparation. Typical uses (for other than potable purposes) include toilet flushing‚ washing and landscape irrigation. Chlorination is the process of adding the element chlorine to water as
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The Soggy Nail Aaron‚ a crime scene investigator‚ was fairly used to grisly scenes of murder and death. He enjoyed his line of work and how he was able to travel the country due to his specialization in murder‚ and how the clues often led to a clear‚ concise solution and resolution; this time‚ however‚ that was not the case. The victim was a young girl‚ found tossed in a ditch north of a rural Montana mountain town after a fierce winter storm Tuesday evening. She appeared to be around eight years
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WATER SCARCITY AND SECURITY IN INDIA Dr. Narayan G. Hegde nghegde@baif.org.in Global Water Crisis Water is life because plants and animals cannot live without water. Water is needed to ensure food security‚ feed livestock‚ maintain organic life‚ take up industrial production and to conserve the biodiversity and environment. Hence‚ there is no life without water. Earth is the only plant‚ so far known to have water and this makes it fit for human living. However‚ with reckless abuse and
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thank god for keeping me calm with all the stress I had. Abstract The purpose of my project is to explain the processes of the water cycle‚ explain what it is‚ and to show the process of evaporation and what happens during this process.my procedure consist of placing the small container in the middle of the large ‚ clear bowl. Fill the bowl with a little water‚ being careful not to fill the small container inside. Cover the bowl with plastic wrap‚ and fasten the plastic wrap around the rim
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Hydrogen Producing Bacteria was incubated in a complete - mix digester with work volume 1.7 L‚ seeded with sludge obtained from the local sewage treatment plant. Each liter of feed medium was composed of the following : 7 g of glucose‚ 1 g NaHCO3 ‚ 500 mg of NH4Cl ‚ 250 mg KH2PO4 ‚ 250 mg K2HPO4 ‚ 320 mg of MgSO4 • 7H2O ‚ 50 mg of FeCl 3 ‚ NiSO4 32 mg ‚ 50 mg CaCl2‚ Na2BO7 7.2 mg H2O ‚ 14.4 mg (NH4) 6MO7O24 H2O ‚ 23 mg of ZnCl2 ‚ 21 mg CoCl2 H2O ‚ 10 mg CuCl2•2H2O and 30 mg of MnCl2•4H2O . The reaction
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Effect of Soil pH on the Living Conditions In Lumbricus terrestris Abstract The difference in soil pH weighs a heavy measure on the appearance of the earthworm Lumbricus terrestris in different areas of soil. A highly acidic or highly alkaline soil may be the underlying reason for the absence of this earthworm in certain areas where pH plays a large role. In this experiment‚ soil pH was altered with Miracida soil acidifier and Agricultural Limestonea soil correctional for acidic soil. This was
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Water Technology Hardness of Water: Natural waters containing large quantities of dissolved salts of Calcium (Ca) & Magnesium (Mg) is called hard water. It is a characteristic of preventing lather formation of water with soap. Ca2+ & Mg2+ ions react with soaps which are salts of fatty acids (stearic or palmitic acid) to give insoluble scums or precipitates of calcium or magnesium stearate or palmitate. 2C17H35COO- + Ca2+ → (C17H35COO)2 Ca (scum) 2C17H35COO- + Mg2+ → (C17H35COO)2
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