폐식용유의 산가변화에 따른 바이오디젤 전환특성Conversion Characteristics of Waste Oil Based Biodiesel with Acid Value
- Other Titles
- Conversion Characteristics of Waste Oil Based Biodiesel with Acid Value
- Authors
- 최명수; 이우식; 이재동
- Issue Date
- 2012
- Publisher
- 한국폐기물자원순환학회
- Keywords
- Biodiesel; Waste oil; Acid value; FAME content; Biodiesel yield
- Citation
- 한국폐기물자원순환학회지, v.29, no.1, pp.1 - 5
- Journal Title
- 한국폐기물자원순환학회지
- Volume
- 29
- Number
- 1
- Start Page
- 1
- End Page
- 5
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/17253
- ISSN
- 2093-2332
- Abstract
- Waste oil contains free fatty acids, impurities and water. However, the quality of raw materials should be remained constantly to produce outstanding biodiesel. In this study, due to changes in acid value of waste oil into biodiesel was undertaken to determine the characteristics of the transition. The trans-esterification reaction, an essential part of the biodiesel manufacturing process, was performed using waste oil, methanol, and alkali catalyst. We tried to deduce the optimum conditions by defining the operating variables, such as the acid value of waste oil, methanol/waste oil mole ratio and the reaction temperature. The biodiesel yield and fatty aicd methyl ester (FAME) content was decreased as the acid value of waste oil was increased. The optimum acid value of waste oil was 2.0 mgKOH/g at the temperature of 55oC, and methanol/waste oil mole ratio of 9.
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