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Recently, the energy crisis and the world food crisis have ignited interest in algaculture (farming algae) for making vegetable oil, biodiesel, bioethanol, biogasoline, biomethanol, biobutanol, and other biofuels, using land that is not suitable for agriculture. Harvested algae, like fossil fuel, releases CO2 when burnt, but unlike fossil fuel, the CO2 is taken out of the atmosphere by the growing of algae and other biofuel sources. This study is to ascertain the condition of its cultivation. Light and CO2 are the most important factors affect its growth performance, temperature, pH, salinity are the point to be considered. Counties effecting seasonal temperature like Republic of Korea, needs to develop algae cultivation technologies in the condition of indoor system. Therefore, artificial light considered energy efficiency is essential. This study is for development reactor using LED light and its cultivation condition. Among others, optimized light wavelength and intensity was the focused on this study. According to the study, N. salina which is known one of algae species have lipid content divide and grow fast in the condition of red (680nm) and blue (450nm). As a increasing intensity, growth also increased. Blue LED light is more effective than red light. In the same condition of intensity, Watt of Blue light is lower than red.
목차
국문초록…………………………………………………………………………………… i목 차…………………………………………………………………………………… ii표 목 차…………………………………………………………………………………… vi그림목차…………………………………………………………………………………… v제 1 장 서 론 ······················································································ 11.1. 연구의 배경 ············································································· 11.2. 연구의 필요성 및 목적 ······························································ 21.3. 연구의 범위와 방법 ··································································· 4제 2 장 이론적 배경 ·············································································· 52.1 미세조류 ·················································································· 52.1.1. 미세조류 개발의 의미 ··························································· 52.1.2. 조류 종 개발 현황 ······························································· 52.2 배양기술 ················································································ 112.2.1. 배양 기술 현황 ································································· 112.2.2. 배양 시스템 개발 ······························································· 132.3 미세조류 생산 기술·································································· 182.3.1. 광 배양조 개발 연구 ·························································· 182.3.2. 광 파장 및 광량에 따른 미세조류 배양 조건 연구 ·················· 19제 3 장 연구 내용 ·············································································· 253.1 연구의 방법 ············································································ 253.1.1. 연구의 목표 ······································································ 253.1.2. 연구의 범위 ······································································ 253.2. 연구의 내용 ··········································································· 263.2.1. 광 배양조 개발 ································································· 263.2.2. 실험 방법 ········································································· 303.2.3. 측정 방법 ········································································· 413.2.4. 균체량 측정 및 성장속도 계산 ············································· 42제 4 장 연구 결과 및 고찰 ··································································· 464.1 광 배양조 실험 결과 ································································ 464.1.1. 광 배양조 교반 실험 결과 ··················································· 464.1.2. 3차원 유체역학을 이용한 시뮬레이션 분석 결과 ····················· 48iii4.2. 광 파장 및 광량에 따른 미세조류 생장 실험 결과 ······················· 534.2.1. 최적 파장 조건 실험 결과 ··················································· 534.2.2. 최적 광량 조건 실험 결과 ··················································· 574.2.3. N. salina에 대한 적색파장에서의 광량에 따른 생장조건 결과 ····· 604.2.4. N. salina의 생장에 따른 LED 파장별 효율성 검토 결과 ············ 62제 5 장 결론 ······················································································ 64참고문헌……………………………………………………………………………………66ABSTRACT ………………………………………………………………………………74감사의 글 ……………………
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