Ethanol

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    Fermentation Essay

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    Yan Lin et al. It states that they believe 20-35 degrees Celsius to be the optimum temperature for fermentation. However they observed that “when the temperature was increased to 45 degrees Celsius, the system still showed higher cell growth and ethanol production rates (Lin)”. This hypothesis assumed that because the optimum rate is believed to be 20-35 degrees but the highest rate was observed at 45 degrees then 40 degrees is likely the optimum level as the study…

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    The two I will be comparing are ethanol from corn and solar energy from the sun. Solar energy is self-explanatory. We harness the power of the sun for energy. Solar panels can be put on cars, calculators, houses, and space crafts. The sunlight hits the cell, loosens the electrons, and turns it into electricity. Because of emerging technology, the energy from the sunlight can be stored on a battery. This makes it sustainable and easy to use (Solar Energy, n.d.). Ethanol from corn is a renewable…

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    Corn Crush Case Study

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    Corn Crush: Ethanol Corn Crush otherwise known as ethanol plays a major role in the corn market. Roughly 40% of all corn produced is used for biofuels. That makes up a major portion of corn. Since 2005 the market for ethanol has grown exponentially. This is due largely in part by the Energy Policy Act of 2005. This act increased the amount of biofuels that have to be mixed with gasoline (mainly ethanol). So not only did the demand for ethanol increase but the demand for corn also was increased…

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    Biodiesel is an alternative diesel fuel for diesel engines that is made from renewable biological sources like vegetable oils, animal fats, and microalgae. Since its main feedstock is a vegetable oil or animal fat, biodiesel is generally considered to be renewable. There are four primary ways known to make biodiesel – (1) direct use and blending, (2) microemulsions, (3) thermal cracking and (4) transesterification. Although the main use is the transesterification of vegetable oils and animal…

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    Iowa State University professors, ethanol now costs 60-70 cents less per gallon than gasoline. (Dinneen) Also contended by Ronald Ace (A solar expert and inventor of “solar traps”) the cost of average…

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    is the one that derives from aquatic organism such as algae (5). The use production of biofuels yields a positive net energy, with ethanol yielding up to 25% more than its original input and up to 93% for biodiesel more energy. The emissions of green-house in ethanol and biodiesel are reduced up to 12% and 41% respectively (6). The net energy production from both ethanol…

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    Renewable Energy Papers

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    Renewable sources of energy Nicholas Reibel Northeastern University 8/12/14 Abstract Environment degradation has taken a global dimension. Human activities continue to cause interfere with the natural surroundings. The balance of the ecosystem has been defiled due to technological advancement, prominence of materialism, human greed, and misuse of nature and egoism of human nature. Non-renewable energy sources have been cited as responsible for environmental degradation. Efforts have…

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    rye, and wheat. We also have apples, popcorn, and potatoes. 1.3 billion bushels of Iowan corn goes to ethanol production. 339 million bushels are turned into a co-product called DDG (Dried Distillers Grain), which is a high protein, valuable livestock feed. DDG is used for more than just feed for animals. It can be used for food that people eat. 43 percent of Iowa’s corn crop is used for ethanol fuel. The Agriculture Department said that Iowa will produce 559.7 million bushels of soybeans, a…

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    Renewable Energy

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    1. What does the term “renewable” mean? The term renewable when referencing resources means a source of energy that is not exhausted by use, types of renewable resources include water, wind and solar power. 2. Which two renewable energy forms did you choose? In this DF I’d like to discuss biofuel and hydrokinetic power. 3. For each, describe two benefits. Biofuel yields many benefits, however, I feel like the two most important benefits we see when utilizing biofuels are, number one is that…

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    air pollutants that coal uses. Shell is huge in Brazil and is known for being a biofuel company but in the United States we are known as Shell Oil & Gas. Another genius move for Shell is when Shell merged with Raízen which is much known for making ethanol from sugar cane in Brazil. Raízen is one of the most competitive energy companies in the world and according about us page on the Raízen website “contributes to the economic development of the country respecting both people and the…

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