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
3. Introduction
What is the Bio-fuel ?
- Bio-fuel is derived from biological materials which are commonly plant materials used. The purpose is to make a “sustainable transportation fuel” from biomass.
What is Bio-ethanol ?
- Bio-ethanol has been produced from biological source.
- It is produced in fermentation of sugars in the brewing industry. In this process glucose is
Abstract
Lignocellulosic ethanol production process, pretreatment, saccharification, fermentation, purification is divided into four steps.
The goal of the preprocessing step, after separating from the other ingredients, such as lignin and cellulose, which have the characteristics of hard and complex structures belonging to the upstream process, the microorganisms in the process of sacc
ethanol production process from grains depends on the market for its by-product, i.e. distillers' dried grains with solubles (DDGS) as animal food, which may not expand like the ethanol market in the future. In addition to the price, there is concern about damaging forests by increasing farming area as a result of more ethanol production from, for instance, sugar cane in Brazil.
Lignocellulosic
Lignocellulosic crops)
Cellulose, Hemicellulose, Lignin
폐목재, 나무 등
Biomass to Bioethanol process
-Pretreatment of Biomass-
Mechanochemical and Hydrothermal Treatment
↓Saccharification
-Production of
Cellulose & Hemicellose-
바이오에탄올의 경제적 기여
지구온난화 방지, 탄산가스 배출권
대기오염방지
바이오매스 계열 폐