Rapid monitoring of transesterification and assessing biodiesel fuel quality by near-infrared spectroscopy using a fiber-optic probe

JAOCS, Journal of the American Oil Chemists' Society

Volumn 76, Issue 7, 1999, Pages 795-800

  Knothe, Gerhard ^a  

^a NATIONAL CENTER FOR AGRICULTURAL UTILIZATION RESEARCH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ESTERIFICATION; FIBER OPTICS; GAS CHROMATOGRAPHY; INFRARED SPECTROSCOPY; PROBES; QUALITY CONTROL; SYNTHETIC FUELS; VEGETABLE OILS;

BIODIESEL; FIBER OPTIC PROBE; TRANSESTERIFICATION;

BIOCONVERSION;

EID: 0032682024     PISSN: 0003021X     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11746-999-0068-5     Document Type: Article

References (39)

1. Anon., Biodiesel ASTM Standard Under Consideration, Biodiesel Report, published by the National Biodiesel Board, Jefferson City, MO, March 1996.
2. Knothe, G., R.O. Dunn, and M.O. Bagby, Biodiesel: The Use of Vegetable Oils and Their Derivatives as Alternative Diesel Fuels, in ACS Symp. Ser. 666 (Fuels and Chemicals front Biomass), American Chemical Society, Washington, DC, 1997, pp. 172-208.
3. Dunn, R.O., G. Knothe, and M.O. Bagby, Recent Advances in the Development of Alternative Diesel Fuels from Vegetable Oils and Animal Fats, Recent Res. Devel. Oil Chem. 7:31-56 (1997).
4. Howell, S., U.S. Biodiesel Standards - An Update of Current Activities, Soc. Automat. Eng. Technical Paper Ser. 971687, SAE, Warrendale, PA, 1997.
5. Mittelbach, M., Diesel Fuel Derived from Vegetable Oils, VI: Specifications and Quality Control of Biodiesel, Bioresource Technol. 56:7-11 (1996).
6. Freedman, B., W.F. Kwolek, and E.H. Pryde, Quantitation in the Analysis of Transesterified Soybean Oil by Capillary Gas Chromatography, J. Am. Oil Chem. Soc. 63:1370-1375 (1986).
7. Plank, C., and E. Lorbeer, Simultaneous Determination of Glycerol, and Mono-, Di- and Triglycerides in Vegetable Oil Methyl Esters by Capillary Gas Chromatography, J. Chromatogr. A 697:461-468 (1995).
8. Mittelbach, M., Diesel Fuel Derived from Vegetable Oils, V [1]: Gas Chromatographic Determination of Free Glycerol in Transesterified Vegetable Oils, Chromatographia 37:623-626 (1993).
9. Mittelbach, M., G. Roth, and A. Bergmann, Simultaneous Gas Chromatographic Determination of Methanol and Free Glycerol in Biodiesel, Ibid. 42:431-434 (1996).
10. Cvengroš, J., and Z. Cvengrošová, Quality Control of Rapeseed Oil Methyl Esters by Determination of Acyl Conversion, J Am. Oil Chem. Soc. 77:1349-1352 (1994).
11. Cvengrošová, Z., J. Cvengroš, and M. Hronec, Rapeseed Oil Ethyl Esters as Alternative Fuels and Their Quality Control, Petroleum Coal 39:36-40 (1998).
12. Mariani, C., P. Bondioli, S. Venturini, and E. Fedeli, Vegetable Oil Derivatives as Diesel Fuel. Analytical Aspects. Note 1: Determination of Methyl Esters, Mono-, Di-, and Triglycerides, Riv. Ital. Sostanze Grasse 68:549-551 (1991).
13. Bondioli, P., C. Mariani, A. Lanzani, E. Fedeli, and S. Veronese, Vegetable Oil Derivatives as Diesel Fuel Substitutes. Analytical Aspects. Note 2: Determination of Free Glycerol, Ibid. 69:7-9 (1992).
14. Plank, C., and E. Lorbeer, Minor Components in Vegetable Oil Methyl Esters I: Sterols in Rape Seed Oil Methyl Ester, Fett Wiss. Technol. 96:379-386 (1994).
15. Plank, C., and E. Lorbeer, On-line Liquid Chromatography -Gas Chromatography for the Analysis of Free and Esterified Sterols in Vegetable Oil Methyl Esters Used as Diesel Fuel Substitutes, J Chromatogr. A 683:95-104 (1994).
16. Lechner, M., C. Bauer-Plank, and E. Lorbeer, Determination of Acylglycerols in Vegetable Oil Methyl Esters by On-Line Normal Phase LC-GC, J. High Resolut. Chromatogr. 20:581-585 (1997).
17. Trathnigg, B., and M. Mittelbach, Analysis of Triglyceride Methanolysis Mixtures Using Isocratic HPLC with Density Detection, J. Liquid Chromatogr. 13:95-105 (1990).
18. Lozano, P., N. Chirat, J. Graille, and D. Pioch, Measurement of Free Glycerol in Biofuels, Fresenius J. Anal. Chem. 354:319-322 (1996).
19. De Filippis, P., C. Giavarini, M. Scarsella, and M. Sorrentino, Transesterification Processes for Vegetable Oils: A Simple Control Method of Methyl Ester Content, J. Am. Oil Chem. Soc. 72:1399-1404 (1995).
20. Daun, J.K., and P. Williams, Near Infrared Analysis of Oilseeds: Current Status and Future Directions, in New Techniques and Applications in Lipid Analysis, R.E. McDonald and M.M. Mossoba, eds., AOCS Press, Champaign, 1997, pp. 266-282.
21. Sato, T., Application of Near Infrared Spectroscopy for the Analysis of Fatty Acid Composition, Lipid Technol. 9:46-49 (1997).
22. Holman, R.T., and P.R. Edmondson, Near-Infrared Spectra of Fatty Acids and Some Related Substances, Anal. Chem. 28:1533-1538 (1956).
23. McManis, G.E., and L.E. Gast, Near IR Spectra of Long Chain Vinyl Derivatives, J. Am. Oil Chem. Soc. 48:310-313 (1961).
24. Murray, I., The NIR Spectra of Homologous Series of Organic Compounds, Near Infrared Diffuse Reflectance/Transm. Spectrosc., Proc. Int. NIR/NIT Conf. 1986, J. Hollo, K.J. Kaffka, and J.L. Gonczy, eds., Akad. Kiado, Budapest, (1987), pp. 13-28.
25. Ozaki, Y., and Y. Liu, FT-NIR Spectroscopy of Some Long-Chain Fatty Acids and Alcohols, Macromol. Symp. 94:51-59 (1995).
26. Handbook of Chemistry and Physics, 66th edn., R.C. Weast, Editor-in-Chief, CRC Press, Boca Raton, FL, 1985.
27. Curtin, D.L., In-Process Analysis of Multifunctional Esters by NIR Spectroscopy, AT-Process 3:18-25 (1997).
28. Hansen, W.G., Shifting of-OH Absorption Bands on NIR Spectra of Esters, Appl. Spectrosc. 47:1623-1625 (1993).
29. Mockel, W.D., and M.P. Thomas, Determination of Transesterification Reaction Endpoint Using NIR Spectroscopy, Proc. SPIE - Int. Soc. Opt. Eng. 1681:220-230 (1992).
30. Sadeghi-Jorabchi, H., V.M.E. Wood, F. Jeffery, A. Bruster-Davies, N. Loh, and D. Coombs, Estimation of Biodiesel in Lubricating Oil Using Fourier Transform Infrared Spectroscopy Combined with a Mid-Infrared Fibre Optic Probe, Spectrosc. Eur. 6:16,18,20-21 (1994).
31. Grob, R.L., D.J. Skahan, K. Dix, and K. Nielsen, Remote On-Line Monitoring of Polyol Production Using Near-Infrared Spectrophotometry, Process Control Qual. 2:225-235 (1992).
32. Jones, L.O., J.R. Noles, Jr., R.J.L. Chimenti, and H.L. Fang, Method for Controlling Polyol Esterification Using Near or Mid-Infrared Analysis, PCT Int. Appl. WO 9610009, April 4, 1996.
33. Janosch, J., and S. Ebel, Bestimmung von Fettkennzahlen mit Hilfe der NIR-Spektrometrie, Pharmazie 48:824-828 (1993).
34. Conzen, J.P., Methodenvalidierung in der quantitativen NIR Spektroskopie (Method Validation in Quantitative NIR Spectroscopy), GIT Labor-Fachz. 42:97-98,101-102 (1998).
35. Freedman, B., E.H. Pryde, and T.L. Mounts, Variables Affecting the Yields of Fatty Esters from Transesterified Vegetable Oils, J. Am. Oil Chem. Soc. 67:1638-1643 (1984).
36. Freedman, B., R.O. Butterfield, and E.H. Pryde, Tranesterification Kinetics of Soybean Oil, Ibid. 63:1375-1380 (1986).
37. Boocock, D.G.B., S.K. Konar, V. Mao, and H. Sidi, Fast One-Phase Oil-Rich Processes for the Preparation of Vegetable Oil Methyl Esters, Biomass Bioenergy 11:43-50 (1996).
38. Boocock, D.G.B., S.K. Konar, V. Mao, C. Lee, and S. Buligan, Fast Formation of High-Purity Methyl Esters from Vegetable Oils, J. Am. Oil Chem. Soc. 75:1167-1172 (1998).
39. Noureddini, H., and D. Zhu, Kinetics of Transesterification of Soybean Oil, Ibid. 74:1457-1463 (1997).