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Bioenergy > Lecture 11 > Flashcards

Lecture 11 Flashcards

1
Q

Crops that have received attention for bioenergy potential

A

Sorghum, sugarcane, bamboo, hemp, Jerusalem artichoke, eucalyptus, and cassava

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2
Q

Factors that come into play when considering a crop for bioenergy

A

Climate, soil, policy, availability of food, perennial vs. annual, etc.

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3
Q

Top producer and user of sugarcane

A

Brazil

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4
Q

Sugar that is in sugarcane juice

A

Sucrose

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5
Q

Is the juice of sugarcane easily fermented

A

Yes

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6
Q

Bagasse

A

Leftover material from sugarcane

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7
Q

What is bagasse used for

A

Bulk fuel for burning abd as a lignocellulosic feedstock for ethanol

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8
Q

Sorghum

A

Popular grass grown for grain (starch) and for sugary stems used for syrup (sweet sorghum)

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9
Q

What climates does sorghum grow in

A

Warm (Africa, Asia, and South America - also in US)

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10
Q

Is Sorghum annual or perennial

A

Annual

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11
Q

How often does sorghum need to be planted

A

Each year

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12
Q

Bamboo

A

Extremely woody and fast-growing plant

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13
Q

Is there a lot of data on bamboo for bioenergy

A

No

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14
Q

Why isn’t there much research on bamboo as a bioenergy

A

Because there is a whole economy surrounding bamboo already (food, paper, construction, traditional medicine)

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15
Q

What is hemp a variety of

A

Cannabis sativus

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16
Q

THC content of hemp

A

Low

17
Q

What can the fiber (cellulose) of hemp be used for

A

Feedstock

18
Q

What can the oil of the hemp seeds be used for

A

Biodiesel with low viscosity

19
Q

Another name for the Jerusalem artichoke

A

Sunflower

20
Q

Is the sunflower annual or perennial

A

Annual

21
Q

What are the tubers of the sunflower composed of

A

Inulin (not starch)

22
Q

Inulin is a polymer of ____

A

Fructose

23
Q

How tall do sunflowers grow

A

10 feet

24
Q

Fructose is similar to ___

A

Glucose

25
Q

What part of the sunflower could be used for bioenergy

A

Entire plant

26
Q

What is the sunflower seed oil used for in bioenergy production

A

Biodiesel

27
Q

Cassava type of plant

A

Shrub

28
Q

What does cassava produce

A

Starchy tuber

29
Q

Starch from cassava tubers

A

Tapioca

30
Q

Where do cassava need to be planted

A

Do not require prime land

31
Q

What can cassava tubers be used for

A

Ethanol production

32
Q

What can the woody shrub of the cassava be used for

A

Lignocellulosic technology

33
Q

Eucalyptus

A

Trees that are very fast growing and woody

34
Q

Where does eucalyptus thrive

A

Tropical, warm environments

35
Q

What is eucalypus used for in bioenergy

A

Burning fuel, pulp and paper, medicine (especially oil)

Bioenergy (22 decks)

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