Cultivation of microalgae provides an opportunity to solve the risk of fossil fuel utilization. The growth of microalgae is affected by various environmental factors such as light energy, pH, CO2, and nutrient supply. Among these factors, CO2 is the only carbon source for the growth of microalgae and serves for photosynthetic cell culture. Effectively delivery of CO2 is important for the culture of microalgae. Dunaliella tertiolecta is a marine green flagellate and fast growing alga. In this study focused on effect of carbon dioxide on microalgae, Dunaliella tertiolecta. Dunaliella tertiolecta UTEX LB 999 was cultivated at various CO2 concentrations and flow rates. The carbon dioxide concentrations were air, 0.3, 0.5, 1, 2, and 5%. The flow rates were 100, 200, 400, and 600cm³/min. The results indicated that CO2 concentrations more affected than flow rates for the growth of D. tertiolecta. The CO2 supplied to the photobioreactor affected the pH of the medium. The pH values were 7.80, 7.5, and 6.27, respectively, at air, 0.3, and 5% CO2 concentrations. Growth rates of D. tertiolecta increased with increasing concentration of CO2 and they are higher than without CO2 supplementation.
키워드
Carbon dioxideDunaliella tertiolectapH
저자
Kyoung Kwon LEE [ Dept. of Biological engineering, Inha University, Incheon, 402-751. ]
Jung-Ki HONG [ Dept. of Biological engineering, Inha University, Incheon, 402-751. ]
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
1. 생물공학 분야의 발전을 위한 연구 협력
2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
3. 학술연구 발표회, 강연회, 연수회 등 학술활동의 개최
4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
5. 생물공학 발전을 위한 정책 건의
6. 기타 국제 교류 등 본 학회의 목적 달성을 위한 제반 활동