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Wastewater Pollution: Comparing Three Treatment Methods - Research Proposal Example

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Wastewater comes as a result of an industrial process that has added chemicals and biosolids that are harmful to human health and to the environment. Whole ecosystems have been destroyed because of the mishandling of wastewater in the past…
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Wastewater Pollution: Comparing Three Treatment Methods
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Download file to see previous pages Three methods of treating wastewater which can be tested against one another for effectiveness and costs are the activated sludge method, the reed bed method, and a new method that has just been discovered in Australia which consists of adding hydrotalcites to wastewater or encouraging hydrotalcites that already exist in the water to form. The three methods can be compared in order to establish their effectiveness and costs as they relate to the removal of contaminants. In addition, the water that has been treated can be compared for quality and value once the contaminants have been removed through these methods. The following research study proposal discusses the use of these three methods as a means for treating wastewater. Through a comparison of their effectiveness, the value of the methods can be discussed after examining the results of using these methods. In addition, comparing the costs monetarily, to the environment from the use of energy and resources, and to the companies who use these methods can be evaluated. Hypotheses and Specific Aims The activated sludge method uses bacteria to treat wastewater before reintroducing it into the environment. The reed bed method is a natural method of removing biosolids from wastewater, creating a method of extraction. Wang writes that “biosolids from wastewater treatment plants are applied to an actively growing stand of a common reed under controlled conditions. The growing reeds derive moisture and nutrients from the biosolids, and with time the rooted plants and the accompanying root ecosystem alter the characteristics of the biosolids” (138). The result of this process is that the condition and the biosolids have improved characteristics. The use of hydrotalcites is a new method created this year in order to assist mining operations in removing contaminants in wastewater. These three methods all provide for cleaning wastewater so that it can be reintroduced back into the environment. While all three methods of approaching the pollutants in wastewater are effective, a comparison of the three processes will lead to further understanding of how safe wastewater is when it goes back into the environment. This is essential in order to produce the safest possible agricultural results so that pollutants do not contaminate the food supply. While modern life includes the results of air, water, and ground soil pollution as a persistent problem, it is clear that there is a high level of concern with decontaminating from previous damage to the soil and water, as well as preventing further damage. Using experimentation under controlled conditions provides invaluable information towards protecting the environment from the effects of contaminated wastewater when it can be treated and reintroduced under safe conditions. Aims: The specific aim of this project will be to compare the results of the activated sludge method, the reed bed method, and the use of hydrotalcites as a method of removing contaminants from wastewater. In addition to measuring the methods for removing contaminants, the condition of the water after the use of these three methods will be measured. The condition of these three methods of wastewater treatment will be examined for the costs to the environment in terms of energy used to provide the treatment, waste that must be disposed of after the treatment and any other impact that might affect environmental balance. Recommendations for using the methods will be made in relationship to effectiveness and costs. Hypotheses: Hypothesis 1: The reed based method ...Download file to see next pagesRead More
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