Scanlan was recommended to Green by his state representative. There were several reports from Scanlan that the Centralia Mine No. 5 was highly explosive. (U.S. Mine Rescue Association, 2012) The reason the mine was highly explosive was because of the coal dust buildup.
In the coal gasification process the air and stream are added to the raw coals then heat it to hundred degrees Fahrenheit. The carbon in the coal then react with the oxygen and the water then produces other gases such as carbon dioxide, carbon monoxide, hydrogen and methane. The carbon dioxide from the process is waste and can go to the atmosphere. The other gases can be burned or sent to the next process. Then the second process is after we get the processed and filtered coal, gas or water or carbon dioxide can be added to balance the amount of carbon monoxide and hydrogen.
Lab 4 – Energy Sources and Alternative Energy Experiment 1: The Effects of Coal Mining Table 1: pH of Water Samples | Water Sample | Initial pH | Final pH (24-48 hours) | Pyrite | | | Activated Carbon | | | Water | | | POST LAB QUESTIONS 1. Develop hypotheses predicting the effect of pyrite and coal on the acidity of water? a. Pyrite hypothesis = b. Coal hypothesis = 2. Based on the results of your experiment, would you reject or accept each hypothesis that you produced in question 1?
Introduction Coal is a variety of solid, combustible and organic sedimentary rocks formed from vegetation that has been consolidated between other rock strata and altered by the combined effects of pressure and heat over millions of years (IEA, 2017). Around the world, requirements for energy and electricity are met by fossil fuels amongst which coal is the most abundant and broadly distributed. It is the most common fuel choice because it is a secure and low cost energy source and is relatively easy to mine, ship, and store. Coal is the second source of primary energy after oil and is mostly used for power generation. Over 40% of worldwide electricity is produced from coal (IEA, 2017).
a. Pyrite hypothesis accept/reject = I would accept the hypothesis, seeing as how the pH reduced from 6 to 2. b. Coal hypothesis accept/reject = I would consider this hypothesis to be true as the pH increased from 6 to 10. 3. Based on your data, what effect do you predict coal mining has on the environment? Answer = Coal mining can require the removal of almost an entire layer of material deep under the surface.
A reflection on generations of coal mining ancestors enables John DeMont to help portray a sketch reflecting the global history of coal in Nova Scotia. From the beginning — approximately 300 million years ago, DeMont uses the perspectives of geologist’s views of Pangaea, to the examination of the late 20th century collapse of the provinces coal and steel industries. Through the explanation of events that took place between these periods of time, the stylistic language in Coal Black Heart presents vivid pictures in the readers mind. Due to DeMont’s literary choices he captivates one’s attention when describing the history of coal mining. By illuminating the coal mining settlements, employment concerns, harsh conditions, disease exposure and economic development that they coal miners and their families had to endure, DeMont rediscovers his family storyline, including the importance of coal to Nova Scotia.
This is caused by inhaling small amounts of coal dust over many years. The medical term is referred to as coal miners' pneumoconiosis. A coal miner's lung turning black is due to the inhalation and accumulation of coal dust, which is were black lung disease got its name. Length of the Problem and Affects on the Community Black lung disease has been a problem since 1822. This is when black lung disease was first reported.
The third chapter of the book focuses on coal mining and its dehumanizing effects that take place in Welch, West Virginia. "Disease in the coalfields is rampant... More than half a million acres, or eight hundred square miles, of the Appalachians have been destroyed... Along with an estimated one thousand miles of streams." Rudy Kelly is the main focus of this section; he was diagnosed with black lung cancer and he underwent multiple operations, although the doctors told him he was supposed to have died more than twenty years ago. He says, “I’m breathin’ because the profit margin is higher than the price of a man’s life.
Effect of Local Steel Slag as a Coarse Aggregate on Properties of Fly Ash Based-Geopolymer Concrete O. M. Omar, A. M. Heniegal, G. D. Abd Elhameed, H. A. Mohamadien Abstract—Local steel slag is produced as a by-product during the oxidation of steel pellets in an electric arc furnace. Using local steel slag waste as a hundred substitutes of crushed stone in construction materials would resolve the environmental problems caused by the large-scale depletion of the natural sources of dolomite. This paper reports the experimental study to investigate the influence of a hundred replacement of dolomite as a coarse aggregate with local steel slag, on the fresh and hardened geopolymer concrete properties. The investigation includes traditional testing
When humans burn fossil fuels, most of the carbon quickly enters the atmosphere as carbon dioxide. Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much