southous RainWhat is acid come down? How does it digit?Acid come down is no different to both other rain except that the water is acid- course of studying. Acid rain can form harmful adjoin on plants. It can also exist as fog, snow, dew and prohibitionist material. Distilled water is neutral but natural clean perfect rain is slightly caustic with a ph of 5.2. entirely rain with a ph lower than this is said to be acidic. Acid rain mainly forms when there is a mint candy of sulfur, carbon or newton dioxides/oxides in the air. Sulfur and due north are the main causes of acid rain. Acid rain forms when molecules much(prenominal) as sulfur dioxide (SO2) have with water vapour to form acids in this case sulfuric acid. This acid thusly lowers the ph of the rain making it acidic.
What are the causes of acid rain?Acid rain is mainly caused by many different industrial industries like coal mightiness plants, metal ore refining and repel vehicles. There are also minor natural causes that overwhelm volcanoes and rotting vegetation. But all the major causes mentioned are all produced by humans and produce sulfur. Once sulfur is in the air it forms sulfur dioxide (SO2). Sulfur dioxide can be naturally released into the air. For example volcanoes produce sulfur dioxide when active. When there is too much sulfur escaping into the air in a small theatre of operations this can cause the sulfur dioxide to react with water and go a room sulfuric acid. The sulfuric acid then makes the rain acidic and harmful to the environment.
Another cause of acid rain is nitrogen oxide (NOx). north oxide is caused by spark sluts in car engines. Nitrogen oxide forms when heat given off from a spark plug is sufficient for nitrogen and oxygen in the air form nitrogen oxide. Once the nitrogen monoxide gas escapes into the air it then changes to nitrogen dioxide. The nitrogen dioxide reacts with water and forms nitric acid. This form of contaminant though has nowhere near as big tack together as sulfur however.
What are the problems associated with acid rain? acrid rain can cause plants to be burnt and get going from the acidity. This can cause forests to die and kill all animals and insects that number on the forest. The acid rain can as surface cause the soil to be unfertile and to acidic for any thing to survive. It can also be irreversible. Acid rain can also get in to water way and kill all of the fish and other aquatic lifetime in the river.
It is thought that ventings of sulfates may be linked with abnormally high mortality rates in humans. Studies have shown that acidic aerosols can cause impaired lung cleansing and lung irritation.
What measures are being taken to lessen the impact of acid rain? adept of the methods to reduce the impact of acid rain is to catch the sulfur gas or unfounded from coal power plants and solidify the sulfur so it doesn?t escape into the atmosphere. This method is called good luck gas desulfurization.
One of the flue gas desulfurization systems is a impish scrubber. A wet scrubber is reaction tower fitted out(p) with a fan that extracts hot smoke gases from a power plant into a tower. Lime slurry is injected into the tower to mix with the gases and combine with the sulfur dioxide. The compounds in the lime naturalise the sulfur dioxide. This produces sulfates. The waste or what?s ended with is some times change to chemical companies as gypsum and is also just paced as landfill.
By changing our reliance of power plants and using renewable verve sources such solar and wind power acid rain can be reduced. Another way some countries have been trying to reduce acid rain is to tax the emission of acid causing substances.
There are international treaties surrounded by countries to reduce the amount of sulfur produced in the world and storm the problem of acid rain. This idea is currently being discussed in Australia to tax the emission of carbon.
Bibliographyhttp://www.policyalmanac.org/environment/archive/acid_rain.shtmlhttp://www.soest.hawaii.edu/GG/ASK/acidrain3.htmlhttp://www.eia.doe.gov/cneaf/pubs_html/rea/feature1.htmlhttp://in.answers.yahoo.com/ mind/index?qid=20071024140525AAhKer7
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