How New Technology Can Improve Air Quality
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How New Technology Can Improve Air Quality

Air pollution affects the Air Quality Index.The only method to lower the AQI is to use the latest technology. One of the biggest sources of air pollution is car engines. Scientists have now created far more efficient car engines than in the past. Modern engines produce fewer pollutants and also consume less fuel like gasoline.

Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans. To check how polluted the air is an Air Quality Index (AQI) is in vogue. This index communicates to the public how polluted the air is currently. As the AQI increases, the health of the population deteriorates.

 The only method to lower the AQI is to use the latest technology. One of the biggest sources of air pollution is car engines. Scientists have now created far more efficient car engines than in the past.  Modern engines produce fewer pollutants and also consume less fuel like gasoline.

A major advancement in car technology is the Catalytic convertors. These are fixed to the exhausts of the cars and have the property to reduce the amount of harmful carbon monoxide and nitrogen monoxide from being emitted. Catalytic convertors create a reaction that converts a mixture of

Power stations fuelled by coal and gas (fossil fuels) are another big source of pollutants. This is because fossil fuels contain small amounts of sulphur and so when the fuel is burnt, sulphur dioxide (SO2) is produced, causing acid rain.  To prevent this filter system has been developed which removes the sulphur dioxide from the waste gases produced during the operation of the plant.

 There are other methods where technology has improved the AQI. These are

  • Development of clean fuel technology. Efforts are on to develop engines that use Hydrogen gas as the by product of hydrogen is only water and such engines will be pollution free.
  • Newer sources of renewable energy like wind power, solar power and wave power.
  • Unconventional sources like geothermal energy, bio mass energy and hydrogen

One of the most potent technological advancement is the use of Wind Energy. Wind is movement of air when warm air rises up and is replaced by cooler air. Wind energy has been used for centuries for sailing ships. Modern turbines capture the wind and generate electricity.

The second source of unlimited energy is the sun. This technology is still in its infancy and in the years to come it will be one of the most important sources of energy for man.  Solar energy is presently used for lighting and heating and some industrial processes.

 The third important source is wave power or hydro power. Water flowing downstream has tremendous latent energy. By building dams and reservoirs on fast flowing and large rivers, turbines can be run to generate electricity.

The important sources of unconventional energy are biomass energy, geothermal and Ocean energy.

Biomass energy is created by burning wood or other waste. Methane gas is also harvested from it and can be used to produce electricity and fuel for transportation. Two other sources are geothermal energy and Oceans. Geothermal energy means to harness the heat trapped inside the earth. Ocean energy with its powerful tides can be used to run anything from turbines to motors. This source is still in the experimentation stage.

One of the last sources of energy is nuclear power. This is based on the energy released by splitting an atom. Nuclear energy requires many safety measures as it produces radioactive waste whose half life is 60 years. Many nations do not want nuclear energy.  Nuclear energy is cheap and an answer to chronic power shortages.

 The use of all these technologies singly or in combination can help lower the AQI and make the atmosphere free of pollution.

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Comments (2)

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dear Pauloseji, Thank you I am in the same boat with 5.48. However my article posting is disabled. Please send me a test mail at m.emge2002@gmail.com for further interaction

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