Posted in Nurses are in high demand now more than ever. Some believe that today’s lifestyles are considerably unhealthy, thus more illness and disease. More and more nurses are needed every day to help care for the sick and dying. The United States Government predicts that nursing will soon become the second most popular profession in the entire nation. As more men and women choose to pursue a nursing career, more and more scholarships are being offered by an array of organizations. Here are 7 great scholarships almost any nursing student can get.
AAOHN Leadership Development Scholarship : Offered by the American Association of Occupational Health Nurses, this scholarship can be yours if you’re pursuing a career in occupational and environmental health nursing. There are 2 scholarships up for grabs. One is offered by the AAOHN in the amount of $1,000.00, and the other is offered by Texas State AOHN and is also in the amount of $1,000.00.
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High oil prices and the desire to reduce energy dependence in the United States have brought coal-to-liquid (CTL) technology to the forefront of the discussion about alternative fuel sources. Nearly 100 years old, CTL processes have long been used by countries lacking access to oil, most notably Germany, where production peaked during the 1940s; South Africa, which has been using CTL technology for fuel since the 1950s; and, more recently, China, where the Shenhua Group LLC began trial operation of the world’s first direct CTL facility in December 2008, and intends to eventually produce 1 million tons of coal-based liquid fuel a year. The U.S. Government promoted the development of CTL technologies following the oil shocks of the 1970s, but shelved the projects after the price of oil fell during the 1980s. In the current economic and political environment of the United States, with oil prices surpassing $100 per barrel in summer 2008 and generally projected to rise in the long term, synthetic fuel derived from coal may once again become economically viable, and several projects are in the initial design phase around the country. From an environmental standpoint, however, the carbon dioxide (CO2) emissions produced throughout the lifecycle of coal-based liquid fuel make it a less desirable option.
Turning Coal into Liquid Fuel
Coal can be converted into liquid fuel using several liquefaction processes; these processes can be divided into two general categories. The first category, indirect liquefaction, is a multi-step procedure that first requires the gasification of coal to produce a “syngas.” This syngas is then converted to liquid fuel via two methods: the Fischer-Tropsch process or the Mobil process. In the Fischer-Tropsch process, which is much more common, the syngas is then cleansed of impurities and subjected to further chemical refinement to produce a sulfur-free diesel or gasolinei. The initial syngas can be derived from coal alone, or from a coal / biomass mixture. The process is the same when biomass is included, but the amount of CO2 emitted during the process decreases as the proportion of biomass increases. In the less-common Mobil process, the syngas can be converted to methanol, which is subsequently converted to gasoline via a dehydration sequence. Indirect liquefaction of coal during Fischer Tropsch produces a significant amount of CO2 that is removed from the fuel as a necessary step during the final stages of the process. However, recent research has suggested a modified Fischer-Tropsch method that could significantly reduce CO2 emissions during liquefaction.ii
The second category, direct liquefaction, requires creating a chemical reaction at high temperatures and then using hydrogen gas and a catalyst to produce a liquid fuel. Direct liquefaction usually produces low-quality liquid fuel that is expensive to make compliant with U.S. standards for purity. Therefore, although the process is used in China, it is not a viable option for meeting the United States’ liquid fuel requirements and will not be discussed for the remainder of this brief. Read the rest of this entry »
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A large section of the Fifth Estate, that world company of scientists, climbed the Allegheny Mountains to Pittsburgh last week. They knew soft coal, what it was and what could profitably be done with it and were answering the call to the Second International Conference on Bituminous Coal made by President Thomas Stockham. Baker of Carnegie Institute of Technology.
Coal Situation. Of U. S. coal companies, only the Island Creek Coal Co. admits that it is making satisfactory profits. Practically all the rest claim that they are losing money. Certainly most are. They have millions of tons of coal mined and ready .for : sale at low, unprofitable prices. But sales have fallen off. Electricity, gas and oil are supplanting coal. This economic shift is inevitable.
The way to coal profits—President Baker emphasized when he opened last week’s conference—is to teach consumers how to use coal in new ways and to teach coal men how to “unlock the riches that lie hidden” in coal (i.e., to produce synthetic goods).
C-O-H-N & Synthetics. When Carnegie Tech’s President Baker asked Director Edwin Emery Slosson of Science Service to speak at this bituminous coal conference, he did not expect Dr. Slosson “to make any serious contribution to the practical and technical problems” which engaged the attention of the Congress. So Dr. Slosson, learned journalist, made a brilliant survey of synthetic chemistry, in which soft coal is the great raw material. Read the rest of this entry »
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As the United States’ oil reserves dwindle, some say the nation will have to rely on synthetic petroleum fuel made from its large stores of coal.
A two-step chemical process augments a method of making cleaner-burning alternative fuel from coal and other carbon sources by transforming some of its waste products into diesel fuel, researchers from the University of North Carolina at Chapel Hill and Rutgers, the State University of New Jersey, report.
“Two percent of the United States’ energy reserves is in oil, 3 percent is in gas, and 95 percent is in coal,” said Dr. Maurice Brookhart, W.R. Kenan Jr. professor of chemistry in UNC’s College of Arts and Sciences. “Many people in the energy sector think that when oil starts to run out, coal will be a source of transportation fuel for some time before we perfect the science behind solar and hydrogen-based energy. Producing diesel fuels from coal is especially attractive since diesel engines are more efficient than gasoline engines.” Read the rest of this entry »
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