Biodiesel production from microalgae has been recently expected to replace the petroleum-based energy sources owing to its high areal productivity and lipid contents. However, large-scaled algae cultivation for biodiesel production should be significantly improved to compete with the cost of present fossil-based energy. In order to reduce the input cost for microalgal cultivation, we investigated the utilization of blended wastewaters taken from domestic and livestock wastewater treatment plants (WWTP). A Chlorella species isolated from Nacdong River effectively utilized the nutrients dissolved in the blended wastewaters. After 10 days cultivation under 200 μmol/m2/s cool-white fluorescent light and 25±1 ℃, significantly high maximum biomass production of c.a. 5.0 g-dry cell weight/L was obtained from the combined wastewater of a domestic WWTP influent and the livestock WWTP effluent without any pretreatment of those wastewaters. The optimal concentration range of the total nitrogen was 100-200 mg/L. These results demonstrated that blended wastewaters would be utilized for mass cultivation of microalgae as both water and nutrient sources.
키워드
MicroalgaeWastewaterBiodiesel
저자
Taeho LEE [ Dept. of Environmental Engineering, Pusan National University, Busan ]
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