Acid-rain-Presentation.ppt

1、Do you know? After the acid rain,The Antarctic penguins,Acid rain harm trees (Norway),Forest in Norway,Corrosion building,The statue of Washington,The Colosseum,Presentation Title,My nameMy position, contact informationor project description,Go Into the world of acid rain, ,Four steps,1.The formatio

2、n of acid rain 2.The distribution of acid rain 3.The harm of acid rain 4. Acid rain control,The formation of acid rain,1. The origin: 1872 ,British scientist Smith ,the beginning of rainfall and air 2. Feature: PH value is less than 5.6 of rain and snow so-called “death in the sky” has highly destru

3、ctive effects caused by airborne acidic pollutants,Graphical representation(一),Graphical representation(二),Graphical representation(三),The distribution of acid rain,The most serious area:India and China Eastern,The distribution of acid rain -China(2006),conclusion,main areas :nanjing, Shanghai,hangz

4、hou, fuzhou xiamen and other in east China coastal area Feature:its central area average precipitation pH less than 4.0, the frequency of acid rain in more than 90% Chinas acid rain phenomenon is very serious,Acid rain , how does harm to human,the harm of acid rain,Acid rain forest plants have a gre

5、at harm.,the harm of acid rain,Acid rain can damage to buildings,the harm of acid rain,Acid rain can cause soil acidification,the harm of acid rain,Acid rain has caused huge impact to aquatic biomass.,acid rain controls,1.Take the raw coal desulfurization technology 2. The priority use of low sulfur

6、 fuel 3. Improve the coal technology,acid rain controls,4.Formed after the coal combustion flue gas before discharge into the atmosphere for flue gas desulfurization. 5. develope new energy sources (water、wind、solar、nuclear energy),sum up,The phenomenon of acid rain are the result of the human conse

7、quences, if we also pay attention to the interests of the pure, consequence will be unimaginable. Therefore, adhere to sustainable development, pay attention to the harmony of man and nature is of vital importance.,Good news,The good news is that the Chinese government put forward sustainable development in 1999.,Good news,The good news is that the Chinese government put forward sustainable development in 1999.,Good news,The good news is that the Chinese government put forward sustainable development in 1999.,Lets work together, there i