the ozone layer are methyl bromide (a pesticide halons (fire extinguishers) and methyl chloroform (an organic solvent). Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur. In cities around the world, smog acids are eroding precious artifacts, including the Parthenon temple in Athens, Greece, and the Taj Mahal in Agra, India. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants. Air pollution caused from natural sources can be more severe and longer lasting than air pollution from human activities. The atmosphere is a complex natural gaseous system that is essential to support life on planet Earth. Let's take a closer look! They seek lenient deadlines and financial help from developed countries to make the expensive changes necessary to reduce pollutant emissions in their industrial netheless, several important international accords have been reached. Air Pollution, contamination of the atmosphere by gaseous, liquid, or solid wastes or by-products that can endanger online doctorate no dissertation human health and the health and welfare of plants and animals, or can attack materials, reduce visibility, or produce undesirable odours.
Solar radiation at the frequencies of visible light largely passes through the atmosphere to warm the planetary surface, which then emits this energy at the lower frequencies of infrared thermal radiation. Usually, primary pollutants are directly emitted from a process, such as essay satire huck finn ash from a volcanic eruption, the carbon monoxide gas from a motor vehicle exhaust or sulfur dioxide released from factories. You May Also Find These Documents Helpful air pollution Research Paper. In extreme cases, smog can lead to mass illness and death, mainly from carbon monoxide poisoning. Oxides of nitrogen and sulfur dioxide pollute places far from the points where they are released into the air. Venturi Scrubbers: In the venturi scrubbers, the dirty gas and scrubbing liquid are moving at very high velocities (100 450 mph generating much turbulence and mixing, and thus exhibiting good collection efficiency. (i) Green House Effect : A greenhouse is a structural building with different types of covering materials, such as a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming visible solar radiation from the sun is absorbed by plants.
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