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논문 기본 정보

자료유형
학술저널
저자정보
Ayodeji Ayodele Ayoola (Covenant University) David Olalekan Adeniyi (Federal University of Technology) Samuel Eshorame Sanni (Covenant University) Kamsiyonna Ikenna Osakwe (Covenant University) Jennifer Doom Jato (Covenant University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제1호
발행연도
2018.3
수록면
54 - 61 (8page)

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초록· 키워드

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Biodiesel production parameters and the impact analysis of the potential emissions from both soybean biodiesel and washing water stored in three different environmental conditions were investigated. The effects of the reaction temperature, methanol/oil mole ratio and catalyst concentration on biodiesel yield were considered. And the results showed optimum biodiesel yield of 99% obtained at 54°C, 7 methanol/oil mole ratio and 0.4 wt/wt % catalyst concentration. The potential emissions from both the biodiesel produced and washing water stored (for six weeks) in refrigerator (≤ 10°C), vacuum (50 kPa) and direct exposure to atmosphere were identified and quantified. Impact analysis of the emissions involved their categorization into: terrestrial acidification, freshwater eutrophication, human toxicity, terrestrial ecotoxicity, climate change and freshwater ecotoxicity. Freshwater ecotoxicity category had the most pronounced negative impact of the potential emissions with 5.237710<SUP>-2</SUP> kg 1,4-DB eq. emissions in Atmosphere, 4.702610<SUP>-2</SUP> kg 1,4-DB eq. emissions in Refrigerator and 3.966110<SUP>-2</SUP> kg 1,4-DB eq. emissions in Vacuum. Climate change had the least effect of the emissions with 6.21410<SUP>-6</SUP> kg CO₂ eq. in Atmosphere, 3.9310<SUP>-6</SUP> kg CO₂ eq. in Refrigerator and 1.6710-6 kg CO₂ eq. in Vacuum. The study showed that the order of preference of the storage environments of biodiesel is vacuum environment, refrigerated condition and exposure to atmosphere.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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