Tải bản đầy đủ (.ppt) (18 trang)

Coal and the environment

Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (929.61 KB, 18 trang )

Welcome to my Presentation
Powerpoint Templates

Page 1


Vu Tuan Tai
K55 TTKHMT


Contents


Part 1: Definition



Part 2: Mining, Transporting coal



Part 3: Using coal and new technologies

Powerpoint Templates

Page 3


What coal is








Contains abundant
amount of carbon
Contains some gases
and liquids : hydrogen,
oxygen, sulfur…
Solid hydrocarbon
Fossil fuel

Powerpoint Templates

Page 4



How coal forms


Mining coal





Depending on the depth and thickness of the
deposit

Underground mining
Surface mining

Powerpoint Templates

Page 7



Mining coal







Environmental impacts:
Physical disturbance of the landscape
Land stability
Erosion, surface runoff, flooding
Water quality
Coal mine fires

Powerpoint Templates

Page 9


Transportation





Environmental impacts






Sulfur oxides – acid rain
Nitrogen oxides – acid rain, ozone, smog
Carbon dioxide – climate change
Solid byproducts – waste disposal issues

Powerpoint Templates

Page 13


New technology



Conclusion






We need to:
Understand the environmental impacts
Prevent or mitigate the impacts
Develop renewable energy

Powerpoint Templates

Page 16


References




/> /> />
Powerpoint Templates

Page 17


Thank you for listening ^_^

Powerpoint Templates

Page 18




Tài liệu bạn tìm kiếm đã sẵn sàng tải về

Tải bản đầy đủ ngay
×