What is biodiesel?
Fig 1. biodeisel chemical structure
FAME (fatty acid methyl esther)
Biodiesel is a form of diesel fuel manufactured from vegetable oils, animal fats, or recycled restaurant greases.
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Fig 1. K. Hoekman, A. Broch, C. Robbins,
Abstract
Bioethanol is one of the alternative sources of oil resources which received attention with biodiesel. Many countries produce bioethanol from food sources such as corn and sugarcane, but it causes food-energy conflicts and farmland problem. So it needs to focus on new biomass which is sustainable, renewable, cost-effective and do not occurred any conflicts. Algae are one of the bioma
New Alternative Energy Source!!
Biodiesel
Bioethanol
Biogas
Biobutanol
A gaseous, liquid, or solid
substance of biological
origin that is used as a fuel
Cost-effective
Sustainable
Alternate gasoline
1st Generation: Food Sources
Food-Energy Conflicts, Farmland Problem
2nd Generation: Cellulosic Source
Difficul
Biodiesel을 얻기 위해 microalgae 사용
Microalgae에서 Oil의 함량을 높여야 함
TAG의 함량을 높여야 함
1) TAG biosynthesis pathway 관련 효소를 유전자수준에서 control
2) Bioreactor로 algae의 생장속도와 이차대사산물생성속도를 조절
Ultrapure Nile Red powder was dissolved in DMSO
(1
2.1. 촉매
원료유 내 포함된 자유지방산과 수분 함량이 낮아야 한다. 1% 이상의 자유지방산을 포함하는 유지의 경우, 염기성 촉매에 의한 전이에스테르화 이전에 자유지방산을 제거하거나 자유지방산을 에스터로 전환하는 전처리 공정이 필요하다. 따라서 전처리 과정으로 FFA(유리지방산) 함량이 낮춘