Microalgae-based biodiesel and omega-3 fatty acid esters production process technology development = 미세조류 기반 바이오 디젤 및 오메가-3 지방산 에스테르 생산 공정 기술 개발

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At present, microalgae based biodiesel is difficult to commercialize because of its high production costs compared with petroleum resources. This dissertation aims to improve the economic feasibility of microalgae resources by co-producing biodiesel and a high value-added product, omega-3 fatty acid esters. The nutrients required for microalgae cultivation were provided by cheese whey, which is a byproduct of the cheese-making process, enhancing the growth and productivity of the biomass and lipids. After cultivation of the microalgae with cheese whey, separate discrete processes, including lipid extraction, conversion, and recovery, were integrated to simplify the entire downstream process. To increase the efficiency of the integrated process, carbonate, which is a by-product of the electrochemical system used to capture the greenhouse gas CO2, was applied as a catalyst. The amount of organic solvents needed to recover the final product was minimized, and finally, a bio-solvent, which does not contain toxic substances, was used to produce carbon neutral, eco-friendly, and economical biodiesel, plus omega-3 fatty acid esters.
Advisors
Han, Jong-Inresearcher한종인researcher
Description
한국과학기술원 :건설및환경공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 건설및환경공학과, 2018.2,[vi, 85 p. :]

Keywords

Microalgae▼abiodiesel▼aomega-3 fatty acids▼aDHA▼acheese whey▼aIn-situ transesterification▼acarbonate▼abio-solvent; 미세조류▼a바이오디젤▼a오메가-3지방산▼aDHA▼a치즈유청▼a지질추출전환동시공정▼a탄산염▼a바이오솔벤트

URI
http://hdl.handle.net/10203/264410
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=734470&flag=dissertation
Appears in Collection
CE-Theses_Ph.D.(박사논문)
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