Doris-Bioethanol Flashcards

1
Q

What is the R&D status of the pre-treatment of Bioethanol?

A

klj

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2
Q

What is the Enzymatic Hydrolysis?

A

Saccharification

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3
Q

What is the R&D status of the enzymatic hydrolysis?

A

…..

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4
Q

What are the costs for 2nnd generation bioethanol plants?

A

explain the chart + table

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5
Q

ETBE ? What’s is this and how does its synthesis look like ?

A

Ethyl-Tertiary-butyl-ether

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6
Q

What does ETBE substitute ?

A

MTBE ( Mythyl–Tertiary-butyl-ether)

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7
Q

What are the properties of ethanol compared to petrol?

A

+ Reduced NOx emissions + Lo - Reduced energy content - Modification of Fuel

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8
Q

What’s the flash point ? why does ethanot/diesel bolend have a lower flash point ?

A

No idea

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9
Q

Who are the major producer of bioethanol ?

A

USA; corn Brazil: sugar cane

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10
Q

Germany bioethanol ?

A

preliminary low blends (…. E10)

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11
Q

Production cost per liter of bioethanol ? ( wheat, corn, barleyy, rye….)

A

Sugar cane :22 cents (brazi) Sugar beet: 40 cents, 62 cents (EC) Grains:

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12
Q

What are the bypoucts for each source type of ethonol ?

A

klkl ?

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13
Q

Bioethanol trade-off

A

Food Vs Fuel ?

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14
Q

Policies play a major role in pricing the crops, give an example for this!

A

US: Corn price depends on crude oil price

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15
Q

Food or Fuel? Example

A

8 Bushels of corn: 21.6 gallons of ethanol fuel or enough food to feed a person for a whole year BUT we have to take a look at countries where we have less food supply. Tortilla crisis

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