Tuesday, June 11, 2019

Environmental Pollution Essay Example | Topics and Well Written Essays - 750 words

Environmental Pollution - Essay ExampleThere are quartette various rank of blacken anthracite, bituminous, lignite and sub-bituminous (Plant et al., 2012).The fuel obtained from coal has several uses in industries and other sectors such as power stations. In power stations, coal is use as a fuel, in generating of electricity. ember accounts for 39 percent of the worlds electricity. Electricity is essential in promoting economic growth and alter living standards. Coal is also apply in the making of cement. It is used as a fuel to give the high temperatures required, approximately 1450 degrees Celsius, in the furnace used in the burning of raw materials used in making cement. The raw materials include calcium carbonate, iron oxide, silica and alumina which are combined and burned to produce clinker. The clinker is then combined with gypsum to produce cement. Purified coal tar is used in the production of chemicals like naphthalene, benzene, cresol oil. Ammonia gas constitute in co ke furnace is used for making ammonia salts, fertilizers used in agriculture and nitric acid. The manufacture of steel and iron is dependent on coal. Coal is burnt in hot kilns for production coke. The coke is then used for extraction of iron from its ore in order to make steel. Coal is also used to make plastics by the use of methanol and ethylene found in coal.Coal industry has several negative impacts on the environment. The effects include thermic pollution, formation of acid rain, micro plastics, and presence of mercury in fish, acidification of oceans, flourishing of algae, and death of fish. When coal is burnt it releases mercury into the atmosphere, which settles in water bodies with time. When the fish dribble in the polluted water, mercury accumulates in their body fat. When nitrogen, a byproduct of combustion of coal, finds its way into the rivers or lakes, it increases the nutrient level in the water bodies cause eutrophication. It also results to the bloom of algae. S ulphur (IV) oxide and

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