Doris-Bioethanol Flashcards
What is the R&D status of the pre-treatment of Bioethanol?
klj
What is the Enzymatic Hydrolysis?
Saccharification
What is the R&D status of the enzymatic hydrolysis?
…..
What are the costs for 2nnd generation bioethanol plants?
explain the chart + table
ETBE ? What’s is this and how does its synthesis look like ?
Ethyl-Tertiary-butyl-ether
What does ETBE substitute ?
MTBE ( Mythyl–Tertiary-butyl-ether)
What are the properties of ethanol compared to petrol?
+ Reduced NOx emissions + Lo - Reduced energy content - Modification of Fuel
What’s the flash point ? why does ethanot/diesel bolend have a lower flash point ?
No idea
Who are the major producer of bioethanol ?
USA; corn Brazil: sugar cane
Germany bioethanol ?
preliminary low blends (…. E10)
Production cost per liter of bioethanol ? ( wheat, corn, barleyy, rye….)
Sugar cane :22 cents (brazi) Sugar beet: 40 cents, 62 cents (EC) Grains:
What are the bypoucts for each source type of ethonol ?
klkl ?
Bioethanol trade-off
Food Vs Fuel ?
Policies play a major role in pricing the crops, give an example for this!
US: Corn price depends on crude oil price
Food or Fuel? Example
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