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Free research papers and essays on topics related to: water treatment

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  • Ozonification In Water Treatment - 267 words
    Ozonification In Water Treatment Ozonification in Water Treatment Report Ozone is nature's agent for cleaning and treating both air and water. That clean fresh smell in the air following a thunderstorm, the bright sky and brilliant colors of nature are due to ozone - created by lightning and the Sun's energy. Ozone is a gas that is created naturally in our atmosphere when oxygen in the air is exposed to high intensity ultraviolet rays. Both the sun and lightning create the ozone. Ozone is also one of nature's best bleaching agents, restoring discolored water to its naturally clear state. As an oxidizer and microflocculant, it also helps reduce unwanted organic material form water, such as ir ...
    Related: drinking water, water treatment, world wide, oxygen content, bright
  • Brisbane River - 1,955 words
    Brisbane River 1.0 INTRODUCTION The Brisbane River has flowed for over 400 million years. The catchment of the Brisbane River has overcome phases of flood and drought while its origins altered as the surrounding land changed overtime. In 1823, John Oxley entered the river for the first time. At the time the river appeared clean and unpolluted. Oxley immediately recognised the river's potential as a site for new settlement, through his recommendation the city of Brisbane was established in 1825. The Brisbane River extends inland for 300km reaching its source at the foothills of the Great Dividing Range. The river's catchment occupies an area of approximately 30,000km2 and releases it waters i ...
    Related: brisbane, river basin, central business, water quality, improving
  • Civil Engineering - 1,377 words
    Civil Engineering Civil Engineering Why do I want to be a civil engineer? Until recently, I did not know the answer to this question myself. I was lost when choosing a career. Then, I read about civil engineering, an occupation involving the construction of buildings, roads, and bridges. As I looked farther into civil engineering, I liked many of the other aspects involved with the career. Although the education will be difficult, I have determined that civil engineering is the career that I want to pursue. What is civil engineering? This career can not be defined using just a few words. The many obstacles that civil engineers must overcome cover a vast area of responsibilities. Civil engine ...
    Related: civil engineering, engineering, work experience, building blocks, institutions
  • Dredging The Hudson River - 1,928 words
    Dredging The Hudson River For the past year, the subject of polychlorinated biphenyls in the Hudson River and what should be done about them has been discussed by politicians and residents all over the capital region. Often the top story on the local news, the front page headline of the newspaper, the subject of a special on television, or the reason for a town meeting, dredging has become a much debated topic. With all the information being exchanged and opinions published, it is easy for the average person to become confused. In an attempt to make things clear, the following report defines dredging, PCBs, and presents a short discussion of each side of the Hudson River dredging debate. POL ...
    Related: dredging, hudson, hudson river, water treatment, problems associated
  • Effects Of Genetic Engineering On Agriculture - 1,696 words
    Effects Of Genetic Engineering On Agriculture The Effects of Genetic Engineering on Agriculture Agribiotechnology is the study of making altered agricultural products. Agribusiness is trying to alter the genes of already existing products to try to enhance the biocompetitiveness and adaptability of crops by enhancing plant resistance to drought, salinity, disease, pests and herbicides. They are going to try to enhance their growth, productivity, nutrient value, and chemical composition. The old way of doing this was through selective breeding, special fertilizer, and hormones. This seems now somewhat outdated with todays technology. Genetic engineering comes with many downfalls. Increased pr ...
    Related: agriculture, department of agriculture, engineering, genetic, genetic code, genetic engineering, genetic research
  • Emerging Waterborne Pathogens - 668 words
    Emerging Waterborne Pathogens In todays food preparation world waterborne pathogens are becoming a real threat. Why? Simply because in todays culture people are quick to blame the food industry for most cases of disintary or other ill effects caused by bacteria. In this paper several things will be discussed. To understand what Im trying to say, you must understand a few key terms. First lets define waterborne pathogen. A waterborne pathogen is a micro-organism whose ability to cause disease has recently been identified. Now that you know what a waterborne pathogen is lets name a few. 1. Bacteria in the form of, Arcobacter Butzleri Helicobacter Pylori And E. Coli 2. Viruses Rotaviruses and A ...
    Related: emerging, pathogens, waterborne, health effects, works cited
  • Maintaining Marine Reef Aquarium - 1,190 words
    Maintaining Marine Reef Aquarium Important Aspects in Maintaining a Marine Reef Aquarium There is something fascinating and relaxing in having an aquarium in a home. Like a fireplace's warm glow and bright colors, the colors that are emitted from an aquarium can be just as warm and even more colorful. From the slow and graceful movement of the fish to the frantic feeding frenzy, an aquarium is different each time it is viewed. Although a freshwater tank can be full or color, it does not come close to the fiery colors that are present in a marine aquarium. Unfortunately, all the color and life that a marine aquarium holds is much more fragile and not as easy to keep as a freshwater tank. Ther ...
    Related: aquarium, maintaining, marine, marine life, reef
  • Nafta - 1,298 words
    NAFTA On January 1, 1994, Canada, Mexico and the United States passed the North American Free Trade Agreement (NAFTA). Promoted to Congress by the Clinton administration, with the assurance that it would give rise to more jobs - exactly how many though, is not precisely known. Yet, according to the Journal of Commerce, the U.S. went from having a $5.5 billion trade surplus with Mexico before NAFTA, to having a massive $16 billion trade deficit today. At the same time, it is estimated that 400,000 Americans have lost manufacturing jobs because of NAFTA within the treaty's first three years, that's about the same number of jobs which have been created in the Mexican maquiladoras. Instead of sh ...
    Related: nafta, trade area, waste disposal, business planning, liberalization
  • Science Fair - 1,329 words
    Science Fair Science Fair Project 3/21/00 Science 21 Background Information I tried to figure out how does the Wellesley tap water compare to the water of the surrounding towns. Before I started my test's I guessed which town would have the best quality water without any initial data. I thought that Wellesley tap water would be the cleanest water in the area because Wellesley has the resources and the money to keep its water at a high quality. The objective of this project is to determine water content in various drinking water supplies and then rate then from most favorable to least favorable. For this, I needed a way to test the water quality. I eventually came upon a pet store called Pet ...
    Related: science, carbon dioxide, background information, water quality, sufficient
  • The European Unification - 1,155 words
    The European Unification The European Unification 500 years ago, the European age began. Portuguese seafarers swept Europe out of the medieval age, and boldly helped Europe to grow. During the European age, constant wars were fought among the many nations that made up Europe. By 1945, Europe had all but destroyed itself. With the end of the 20th century, Europe has been given a historic opportunity, a united Europe, it is a chance at new life, a miracle as some consider it. On January 1, 1999, champagne corks popped, fireworks lit up the skies, and the peoples in Europe were happy. What is important about this date? January 1, 1999 marked the launching of the new single currency for the Euro ...
    Related: european central, european central bank, european monetary, european monetary union, european union, single european, unification
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