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Effects of Organic Carbon Source on Mass Cultivation of Chlorella sp. for Biodiesel Production

첫 페이지 보기
  • 발행기관
    한국생물공학회 바로가기
  • 간행물
    한국생물공학회 학술대회 바로가기
  • 통권
    2010 추계학술대회 및 국제심포지움 (2010.10)바로가기
  • 페이지
    pp.139-139
  • 저자
    Sung Ho OH, Woon Yong CHOI, Yong Chang SEO, Choon Geun LEE, Ga Bin KIM, Shin Young LEE, Hyeon Yong LEE
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A129227

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원문정보

초록

영어
Chlorella sp. was grown to produce biodiesel under mixotrophic condition in a recycling culture system (3 ℓ working volume) at 0.03 (ℓ/day) of recycling rate for 90days. Optimal culture conditions of mixotrophic growth were decided to be 25-30℃, 180 rpm and 3%(v/v) of CO2 supply. The effect of acetate as an organic carbon source was observed by adding various acetate concentrations: 5, 10, 15, 20 (g/L), respectively, and methanol, 0%, 0.05%, 0.1%, 0.5%, 1.0% and 3.0% (v/v), respectively. 10 (g/L) of acetate showed the maximum cell concentration as 4.8 (g-dry wt./L) with 19.8 (%, w/w) of total lipid production. While, at 5 (g/L) of acetate concentration, after 50 days the cell concentration showed relatively constant values as 2.9 (g-dry wt./L) of cell concentration. The optimal concentration of methanol was also determined as 1.0% (v/v), maintaining 4.2 (g-dry wt./L) of maximum cell concentration and 17.5% (w/w) of the total lipid production.
Particularly, there was almost no cell growth and total lipid production in adding 3.0% (v/v) of methanol because of highly toxicity. In observing residual concentrations of 10 (g/L) of acetate or 1.0(% (v/v)) of methanol, it was shown that the organic carbon source consumption rate was fast during the first period of cultivation and CO2 consumption rate was increased more during the last period of cultivation. This study confirmed that optimal concentrations of acetate or methanol as an organic substrate would be a important factor to maintain high the cell concentration and total lipid production.

키워드

Organic Carbon Source Chlorella sp. Biodiesel

저자

  • Sung Ho OH [ Dept. of Biomaterials Engineering College of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200-701. ]
  • Woon Yong CHOI [ Dept. of Biomaterials Engineering College of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200-701. ]
  • Yong Chang SEO [ Dept. of Biomaterials Engineering College of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200-701. ]
  • Choon Geun LEE [ Dept. of Biomaterials Engineering College of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200-701. ]
  • Ga Bin KIM [ Dept. of Biological Engineering College of Engineering, Kangwon National University, Chuncheon 200-701. ]
  • Shin Young LEE [ Dept. of Biological Engineering College of Engineering, Kangwon National University, Chuncheon 200-701. ]
  • Hyeon Yong LEE [ Dept. of Biomaterials Engineering College of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200-701. ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    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

간행물

  • 간행물명
    한국생물공학회 학술대회
  • 간기
    반년간
  • 수록기간
    1985~2013
  • 십진분류
    KDC 476 DDC 576

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