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What is clean energy? What types of clean energy are there?

Currently the trend of globalization is focusing on the goal of environmental protection. Therefore, clean energy is constantly being focused and widely used. In particular, Vietnam is one of the geographical areas with the most favorable natural conditions for the strong development of clean energy sources. So what is clean energy? What are the types of clean energy?

When the use of raw materials from coal, oil, gas, … is causing very serious impacts on the environment. Especially the phenomena greenhouse effect, acid rain, air pollution, water and soil pollution, … have been and are directly affecting people’s health life. Accordingly, a new energy dangers were discovered. That is, clean energy.

What is clean energy?

Clean energy is a form of energy that in the process of labor itself does not create harmful wastes affecting the surrounding environment. Normally, clean energy sources are available from nature or are products of natural products, so they do not cause pollution and are less depleted. Typically water energy, wind energy, solar energy, …

Clean energy is usually supplied and produced from fossil fuels (coal, oil, gas) and nuclear energy. Energy sources must be based on the use of clean energy conversion technology. Ensuring environmentally friendly throughout the production process. At the same time, clean energy production sites must also ensure that the processes comply with environmental protection regulations.

Clean energy does not generate harmful waste

Clean energy does not generate harmful waste

What types of clean energy are there?

Currently in the world, the clean energy industry is extremely developed. More and more clean energy is being discovered and tested. Typical examples are: fuel cells, solar energy, wind, water, waste vegetable oil, snow energy, fermentation energy, geothermal energy, methane hydrate, …

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Solar

Solar energy uses semiconductor panels to capture light and heat radiation from the sun. Then used to supply other equipment such as light bulbs, water heaters, electrical appliances, … Japan, the US and some Western European countries are leading places in the use of energy sources. sun (from the 50s in the last century). In our country, this technology is widely used in the Central Highlands and South Central regions.

The panels help to capture energy from the sun

The panels help to capture energy from the sun

Water power

The use of water from rivers and streams is a source of clean energy that is used most in our country. Hydroelectricity relies on the water power of large rivers to spin turbines that generate electricity. In addition, the source of energy from the ocean is also extremely rich. Waves and tides are used to spin power generation turbines. The generated electricity can be used directly for equipment operating at sea. Such as lighthouse, buoy, wharf, navigation pilot system, …

Wind energy

Wind energy is considered the most abundant and rich source of green energy today, it is present everywhere. People use wind power to spin power turbines for use in life. Currently in Vietnam, with favorable geographical conditions with a long coastline, the amount of wind is high and is evenly distributed all year round. This will be a form of energy that is focused on developing now and in the future.

Wind power is everywhere

Wind power is everywhere

Energy from snow

The Bihai Natural Energy Research Association of Japan has successfully used snow to cool warehouses. As well as making the air conditioners of buildings in hot weather. Under this project, snow is stored in warehouses to keep storage temperatures between 0 ° C and 4 ° C. This is the ideal temperature used to preserve agricultural products, thus reducing production costs and reducing product costs.

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Geothermal energy

This is the source of energy located deep in the heart of islands and volcanoes. This energy source can be obtained by drawing hot water from thousands of meters deep underground to run electric turbines. In our country, the study of geothermal energy sources started in the 80,90s of the 20th century. Through the process of preliminary investigation and assessment of the potential of geothermal resources across the country. However, up to now, this energy source has not been exploited.

Model of a geothermal power plant

Model of a geothermal power plant

Fuel cells

Fuel cells are the techniques that can provide energy for people. Without emitting CO2 or any other toxic gas. Fuel cells generate electricity directly by reacting hydrogen and oxygen or methanol and oxygen. In which, hydrogen appears in natural gas sources and methanol is obtained from waste. Because they are not burned, they do not emit harmful emissions.

The leader in this area is Japan. This country produces many different fuel cell sources. Used for vehicles, vehicles, civil equipment such as cell phones, …

water filter

Clean energy from biological fermentation

This energy is generated by the bio-fermentation of household waste. Accordingly, people will classify and put them into storage tanks. Let it ferment to produce methane. This gas will make the engine work and generate electricity. After the decomposition is complete, the remainder is used as fertilizer.

Methane hydrate

Methane hydrate is considered a potential energy source located deep underground. White like ice. This is a crystalline substance composed of water molecules and methane. It is stable under conditions of low temperature and high pressure. Most are found under permafrost and deep geological layers below the ocean bed. This is a very good alternative to oil and coal.

Clean energy has many benefits

Clean energy has many benefits

Benefits of clean energy

  • For environment and people: Clean energy contributes to minimizing negative impacts on the environment. Accordingly, when using this type of energy will help people reduce the amount of emissions that adversely affect the living environment around us. It also follows that ensuring human health
  • For country: Using clean energy is directly related to the formation of a civilized lifestyle and sustainable development of a nation. In addition, it also creates regional economic potential. And vigorously develop energy security of the whole country.
Clean energy has many benefits

Clean energy has many benefits

When the shortage of fuel is increasing today. The use of fossil fuels is becoming increasingly exhausted. The earth is warming every day because of the climate change caused by environmental pollution. Therefore, clean energy is a direction of the future.

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