EnviSci 8EnviSci 8EnviSci 8EnviSci 8EnviSci 8EnviSci 8EnviSci 8

1. Coal, Natural gas and
Nuclear Powerplant

2. Coal Powerplant

3. Coal Powerplant
 Now that clean coal technologies are available,
the demand for coal has remained steady
despite the current stringent standard on
environmental concerns. The Philippines is
largely a coal consuming country
with coal having the highest contribution

4. Advantages and disadvantages of coal
powerplant
Advantage
• Coal is the most abundant energy source.
There is no shortage of coal and foreign
political turmoil does not interrupt the flow of
coal.
• Modern plants are very efficient in terms of
producing copious amounts of electrical power
from raw fuel.
• Power plants are prevalent and the technology
is mature.
Disadvantage
• Air pollution that can cause asthma,
cancer, heart and lung diseases,
neurological problems, acid rain, and
global warming.
• Radiation exposure that can be up to 100
times higher than a nuclear power plant.
• Mercury, nitrous oxide, heavy metals, and
other toxic substances that can harm
wildlife and ecosystems.

5. Extraction and Uses
Coal can be extracted from the earth either by surface
mining or underground mining. Once coal has been
extracted, it can be used directly (for heating and industrial
processes) or to fuel power plants for electricity.

6. The top countries that use coal power plants are:
• China
• India
• United States
• Japan
• Indonesia

7. Summary
Coal gives electricity
Coal can be used in steel
industry
The heat from combustion of
coal powerups a turbine then
generate electricity by turning
the turbine

8. Natural Gas Powerplant

9. Natural gas powerplant
A gas-fired power plant, sometimes
referred to as gas-fired power station
or natural gas power plant, is a
thermal power station that burns
natural gas to generate electricity.
Gas-fired power plants generate
almost a quarter of world electricity
and are significant sources of
greenhouse gas emissions.

10. Natural gas is extracted using a variety of
methods depending on geology,
including vertical drilling, horizontal
drilling and hydraulic fracturing.

11. Extraction
 Natural gas has formed millions and even
hundreds of millions of years ago. It is formed
from decomposed organisms such as plants,
animals, and diatoms. The thick layer of these
organisms mixed with sand and silt, and then it
is exposed to intense heat and pressure
under the surface.

12. Vertical Driling

13. Advantages and disadvantages of Natural
Gas Powerplant
Advantages
• Cheap and quick to build
• Have very high thermodynamic
efficiencies
• Produce fewer pollutants like
NOx, SOx and particulate matter
than coal and oil
• Are better able to meet
fluctuating demand
Disadvantages
• Highly inflammable
• Non-renewable source of
energy and will eventually die
out
• Polluting water and earth
• Greenhouse gas emissions
• Leakage

14. Uses of Natural gas
• As a raw material to make fertilizer, antifreeze, plastics,
pharmaceuticals, and fabrics.
• To manufacture chemicals such as ammonia, methanol,
butane, ethane, propane, and acetic acid.
• To heat, cool, and cook in industrial settings.
• In waste treatment, food processing, and refining metals,
stone, clay, and petroleum.
• As an alternative fuel for cars, buses, trucks, and other
vehicles.

15. Electric generation

16. The following countries have natural gas power stations:
• United States
• Russia
• China (Mainland)
• Germany
• Italy

17. Nuclear Powerplant

18. Nuclear Powerplant
 A nuclear power plant (NPP) is a
thermal power station in which the
heat source is a nuclear reactor. As is
typical of thermal power stations,
heat is used to generate steam that
drives a steam turbine connected to a
generator that produces electricity.

19. Uranium in Nuclear powerplant

21. Advantages and disadvantages of Nuclear
Powerplant
Advantages
• Low-carbon energy source
• Small carbon footprint
• Reliable and cost-effective
• Economical and require less land
than other forms of energy production
• Provide a clean form of energy with
no greenhouse gas emissions
Disadvantages
 High capital cost and long approval and
commissioning time
 Non-renewable and depleting source of uranium
 Disposal and storage of nuclear waste, which is
radioactive and highly toxic
 Accidental leakage of radiation and large-scale
accidents, which can be catastrophic
 Security risks of nuclear waste falling into the wrong
hands

23. Rank Country Number of Nuclear
Plants
1 United States 99
2 France 58
3 Japan 48
4 China 35
Countries With the Most Nuclear Power Plants

24. Activity #2

25. End