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
1. Uptake Hydrogenase
1) Definition of Uptake Hydrogenase and Mechanism of Hydrogen Production
Uptake hydrogenases are Ni-Fe enzymes that catalyze the conversion of hydrogen gas to hydrogen ions and electrons. They are found in the heterocysts and not in the vegetative cells of nitrogen-fixing strains of cyanobacteria. They remove the hydrogen gas produced by nitrogenase when they carry o
문제의 설정
- 교토의정서에 따르면 우리나라는 의무감축국은 아니지만 다른 나라를 기준으로 온실가스 배출량을 평균 5%를 감축해야 한다. 따라서 기업에서도 1년에 5% 절감을 위해서 선택해야 하는 방안을 문제로 잡았다. 기업들마다 온실가스 배출량은 극명하게 차이가 나기에 'POSCO'를 전체적 모델