Lecture 18 Flashcards
Energy from algal biofuel is less/more than is needed to make it
Less
Yield of algae oil vs plant oils (bio oils)
Algae is more
Price of algae oil vs bio oil
Bio oil is cheaper
Which is more feasible: algae or bio oil
Bio oil
Plant seeds contain lipids that serve to feed ____
Developing embryos
Corn kernels have ___% oil (lipid) content
4-5%
Lipid(oil) content varies by ____
Species and cultivar
What part of the seed are lipids most highly concentrated in
Germ
Why are lipids most concentrated in the germ of the seed
Fuel growth during germination when a young plant is undergoing respiration
What part of the fruit is palm oil extracted from
Mesocarp (fleshy part of the fruit)
Palm kernel oil is extracted from the ___ of the fruit
Seed
1 consumed vegetable oil globally
Palm oil
Metric tons of palm oil produced in 2017
64.6
What is more common: palm oil or palm kernel oil
Palm oil (34% vs. 4%)
2 consumed vegetable oil globally
Soybean oil
Metric tons of soybean oil produced in 2017
56.3
Top three producers of soybean oil
US, Brazil, Argentina
What are the dried remains after the oil is extracted out of the soybean used for
Animal feed (mostly chickens in the US)
Most biodiesel in the US is derived from _____
Soybean oil
Rapa is latin for ___-
Turnip
What family is rapa a member of
Brassicaceae family
Brassica napus is renowned for ____
Oil content
Canola was derived to have ____
Low erucic acid levels
Metric tons of rapeseed oil consumed in 2017
29.3
Rapeseed oils are ___% of all vegetable oils
15%
Biggest producers of rapeseed oil
Canada and China
Family and genus of sunflowers
Aster family
Helianthus genus
Leading producers of sunflower oil
Russia and Ukraine
Where are sunflowers native to
US
Why is sunflower oil popular in Russia
Not banned by the Russian orthodox church during lent
Metric tons of sunflower oil consumed in 2017
17.3
Oils that dominate the market
Palm, soy, rapeseed, and sunflower oil
Other popular oils
Peanut, cottonseed, coconut, olive, corn, safflower, sesame
Bioenergy oilseed crops being developed
Brassica carinata
Camelina sativa
Dominant feedstock for biodiesel in the US
Soybean oil
How much biodiesel does one bushel of soybeans (60 pounds) lead to
1.5 gallons
Feedstock sources vary by ____
Facility
Dynamic fuels
Some facilities use residual animal fat from food processing facilities
Is biodiesel involved in the food vs fuel debate
Yes
