GEOS 3310 Lecture Notes: Water Pollution Dr. T. Brikowski Spring 2012 file:waterQuality.tex‚v (1.33‚ November 14‚ 2011)‚ printed March 30‚ 2012 Water Pollution 1 Introduction Water pollution is the “degradation of water quality as measured by biological‚ chemical‚ or physical criteria.” Common sources of groundwater pollution are listed in Keller [Table 14.3‚ 2011]. Typical pollutants include: • Oxygen-demanding waste: materials that produce a high BOD [Fig. 11.2‚ Keller‚ 2000]
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One of the World’s great environmental problems - Water The water problem is today one of the greatest problems the world faces. The UN calculates that if the present development continues the 2/3 of the world population will live with serious water scarcity or nearly without water by the year 2025. The UN calculates that one should have 100 litres of water pr day to manage. This is for everything - home consumption‚ agriculture‚ industry‚ etc. Many people today have less than 50 litres‚ and in
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ENGLISH 1312 (08) February 26‚ 2013 Water and Sanitation The cleanliness of water has always been looked at as an issue that needed to be dealt with. When looking around at articles and papers there are always the ones over the sanitation of water in third world countries and how help is needed there. DALY (disability adjusted life years) is used to measure disease resulting from poor access to water and sanitation facilities. The absence of access to clean water and sanitation is faced by millions
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ganguly‚ Chattejee‚ Dey‚2011). Eichhornia crassipes‚ water hyacinth is a lignocellulosic material which is considered as a good source of biomass. water hyacinth is compose of different fiber s: lignin‚ cellulose‚ and hemicelluloses. INTRODUCTION Water lilies also known as water hyacinth are aquatic plants found in countries with
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Water treatment * Water treatment - describes those industrial-scale processes used to make water more acceptable for a desired end-use. These can include use for drinking water‚ industry‚ medical and many other uses. Such processes may be contrasted with small-scale water sterilization practiced by campers and other people in wilderness areas. The goal of all water treatment process is to remove existing contaminants in the water‚ or reduce the concentration of such contaminants so the water
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BLUE PLANET RUN FUNDING Project Number: MAL 0443 Name of Project: Engucwini School and Health Clinic Water and Sanitation Project Location: Engucwini‚ Malawi – in the Muzuz District Malawi: The Land‚ the People and the Economy Of the 10 million people in Malawi‚ only half have access to clean‚ safe drinking water. As a result‚ water-related diseases such as schistosomiasis (bilharzia) and amoebic dysentery are rampant. Further complicating conditions in this southeast African country
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Water Waves By Anna Introduction Water waves have been around for years; learning about water waves can help you understand the outside world. Water waves can be used in many ways‚ but they can also be harmful‚ too. When were they discovered? Water waves have been around since the creation of the earth‚ but Isaac Newton came up with a theory; after studying waves in about 1687. What is the biggest wave? In 1958 the biggest tsunami wave was recorded. How much harm can water waves really
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impossible without water. Without water men die of dehydration About 70% of the human body is water. Of the total surface of the earth‚ 75 % is water and just below the surface of the land in most areas there is a saturated layer known as the water table. Animals and plants have large percentages of water in their make-up and some animals regulate their movements according to the water sources. If there is no water there can be no life. The moon is a sterile desert because there is no water in it. It is
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molecule of water A chemist’s view of the world is not as narrow as one might think! Yes‚ we start with the atom‚ and then go on to the rules governing the kinds of structural units that can be made from them. We are taught early on to predict the properties of bulk matter from these geometric arrangements. And then we come to H2O‚ and are shocked to find that many of these predictions are way off‚ and that water (and by implication‚ life itself) should not even exist on our planet! But we soon
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Water pollution and pollution in general is a problem that people don’t like to deal with. Water pollution can cause so much damage to people and to the animals that live in that body of water. The laws that we have are doing what they need to but we need to monitor the water more closely because if we don’t catch the pollution when it happens it could cause a big disaster. It could kill all of the plant life that lives in the water and the animals that live there to. Some of the pollutions that
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