Coal Combustion Flashcards

1
Q

Ultimate source of energy for coal

A

Sun

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2
Q

Coal consists of

A

compressed altered remains of vegetation

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3
Q

Coal formation (as it is compressed/lowered)

A
  1. peat
  2. lignite
  3. bituminous coal
  4. anthracite coal
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4
Q

Subjected to highest temperatures/pressures and therefore burns more cleanly

A

Anthracite coal

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5
Q

Coal is considered a ___________ rock

A

Biochemical

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6
Q

Coal is mostly made of

A

Carbon

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7
Q

Combustion reaction

A

Hydrocarbon reacts with O2 and releases a large amount of energy in the form of light and heat and produces CO2 and H20

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8
Q

CH4 + 2O2 –> CO2 + 2H2O

A

Combustion of methane

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9
Q

C3H8 + 5O2 –> 3CO2 + 4H2O

A

Combustion of propane

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10
Q

Combustion reaction is exo or endothermic…why

A

exo - because it releases energy in the form of light and heat

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11
Q

Insufficient oxygen supply during combustion causes

A

Production of carbon monoxide

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12
Q

Colourless, odourless, very poisonous gas

A

Carbon monoxide

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13
Q

Why is carbon monoxide poisiounous

A

Takes the place of O2 in hemoglobin molecule in blood supply of lungs - causing asphyxiation (suffocation)

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14
Q

Main by-product of coal combustion

A

CO2

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15
Q

How many grams of CO2 is produced for every 12g of Carbon burnt

A

44

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16
Q

Contributes to the formation of acid rain

A

sulfur oxide released by coal burning

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17
Q

Datong Coal Mining Group location

A

China

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18
Q

Proportion of CO2 emissions from China

A

1/5 of world

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19
Q

Concerns in China about environment overshadowed by

A

Income created by coal mining industry

20
Q

Coal-fired power plants produce __________ of China’s electricity

A

2/3

21
Q

Percentage of China’s electricity made my solar

A

2%

22
Q

Percentage of China’s electricity made my wind

A

3%

23
Q

Domestic use of coal in rural China

A

Primary fuel for cooking due to lack of wood

24
Q

Cause for arsenic poisoning from domestic coal burning in China

A

Drying chilli peppers over coal-burning stoves

25
Q

Casualties from arsenic poisoning caused by domestic coal burning in China

A

3000 people in Guizhou Province

26
Q

Symptoms of arsenic poisoning

A

Hyperpigmentation, black skin lesions, cancers

27
Q

Coal, as ppm, in China vs USA

A

35,000 ppm China
22 ppm USA

28
Q

More than 10 million people in the Guizhou Province (China) affected by

A

Fluorine poisoning from domestic coal burning

29
Q

Symptoms of fluorine poisoning from domestic coal burning

A

mottling of tooth enamel, limited joint movement, osteosclerosis, bow legs, spinal curvature

30
Q

Cause of fluorine poisoning in China

A

Food consumption - eating corn dried over fluorine-rich coal fires

31
Q

Where are the Appalachains

A

East of USA

32
Q

Historically one of the poorest regions in the USA

A

Appalachia

33
Q

Why was the Appalachian region perfect for creating a single-industry coal economy to exert control over the people

A

Due to its poverty

34
Q

All areas of Appalachia share what problems

A

Rural poverty, inadequate jobs, services, transportation, and infrastructure

35
Q

What did many Appalachians give up to coal mining companies

A

Rights to land

36
Q

What percentage of residents controls less than half of the land

A

99

37
Q

Mountaintop removal

A

Form of surface coal mining: deforestation, then blasting

  • removes top of mountain to expose coal seams
38
Q

What type of coal mining occurs in the Appalachia

A

Mountaintop removal

39
Q

Valley fill

A

Excess soil from MTR dumped into nearby streams or valleys

40
Q

MTR and valley filling can lead to

A
  • fragmentation of forests
  • conversion of habitats
  • loss of large tracts and forested areas
41
Q

Health effects of MTR

A

Cardiovascular diseases, lung cancer, COPD, birth defects

42
Q

Heart defects go up by what percentage in MTR areas

A

181

43
Q

MTR increases what in watersheds

A

Salinity, metals, magnesium, and sulfates

44
Q

There are strong correlations between heavy coal mining countries and a greater risk of

A

Depression and severe psychological distress

45
Q

Is MTR used in Alberta

A

No

46
Q
A