Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Download Formation of Acid Rain
Document related concepts
no text concepts found
Transcript
Acid Rain By HO Pui Sing Wong Yu Fai Content Definition of Acid Rain Damage of Acid Rain Formation of Acid Rain Sources of Pollutants Solutions References Definition of Acid Rain Normal pH value of Rain is 5.6 pH value < 5.6 Acid Rain Definition: All forms of precipitation, snow, rain, hail or dust particles, that contain a degree of acidity higher than those which normally occur in nature. Damage of Acid Rain Soil Forests / vegetation Aquatic organisms Ancient Buildings Buildings Human health Soil Soils can be damaged by removing needed nutrients and dissolving toxic heavy metals from the soil. Not Suitable for farming Forests / Vegetation Acid rain can damage the foliage of trees (leaves etc.), and retard their growth. Metals such as aluminum can get into the roots of plants and prevent the uptake of other important nutrients. Aquatic organisms Increasing the concentration of toxic heavy metals in surface waters. Acidification can hinder the ability of aquatic organisms to reproduce. Ecosystem will be collapse. Healthy Acidize Ancient Buildings Damage of Ancient Buildings Buildings Construction materials such as limestone, marble and sandstone can also be damaged by acid rain, resulting in eroded buildings and monuments. Value loss Tai Kwok Tsui Tai Po Old Market Human Health Acid rain can aggravate respiratory ailments such as bronchitis and asthma. Drinking water which contains higher levels of toxic metals Formation of Acid Rain Gas in air Acid Formation CO2 CO2 + H2O = H2CO3 Acid Name Carbonic SO2 SO3 + H2O = H2SO4 Sulfuric NO2 NO2 + H2O = HNO2 + HNO3 Nitric Formation of Acid Rain Sources of Pollutants SO2, CO2, NOx Fossil Combustion Air Pollution Human-related phenomenon. Solutions Legislation and Punishment Technology improvement Low sulphur content fuel Improve the efficient of machines Filtering system Alternate energy Energy Conservation Change life style Education Reference http://ga.water.usgs.gov/edu/acidrain.html http://www.iclei.org/efacts/acidrain.htm http://www.geocities.com/CapeCanaveral/Hall /9111/DOC.HTML#INTROEFFECT http://eces.org/gallery/airgfx/air65.shtml http://hikingthecarolinas.com/photo1.htm http://www.epa.gov/airmarkets/acidrain/inde x.html http://www.corbis.com The End
Related documents