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

17
Q

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

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

20
Q

Is the sunflower annual or perennial

21
Q

What are the tubers of the sunflower composed of

A

Inulin (not starch)

22
Q

Inulin is a polymer of ____

23
Q

How tall do sunflowers grow

24
Q

Fructose is similar to ___

25
What part of the sunflower could be used for bioenergy
Entire plant
26
What is the sunflower seed oil used for in bioenergy production
Biodiesel
27
Cassava type of plant
Shrub
28
What does cassava produce
Starchy tuber
29
Starch from cassava tubers
Tapioca
30
Where do cassava need to be planted
Do not require prime land
31
What can cassava tubers be used for
Ethanol production
32
What can the woody shrub of the cassava be used for
Lignocellulosic technology
33
Eucalyptus
Trees that are very fast growing and woody
34
Where does eucalyptus thrive
Tropical, warm environments
35
What is eucalypus used for in bioenergy
Burning fuel, pulp and paper, medicine (especially oil)