Activity of homogeneous and heterogeneous catalysts, spectroscopic and chromatographic characterization of biodiesel: A review

Renewable and Sustainable Energy Reviews

Volumn 16, Issue 8, 2012, Pages 6303-6316

  Tariq, Muhammad ^a   Ali, Saqib ^a   Khalid, Nasir ^b  

^a QUAID I AZAM UNIVERSITY   (Pakistan)

^b PAKISTAN INSTITUTE OF NUCLEAR SCIENCE AND TECHNOLOGY   (Pakistan)

Author keywords

Biodiesel; Characterization; Heterogeneous catalyst; Homogeneous catalyst; Transesterification

Indexed keywords

ALTERNATIVE SOURCE; CHROMATOGRAPHIC CHARACTERIZATION; CHROMATOGRAPHIC TECHNIQUES; FATTY ACID METHYL ESTER; FREE FATTY ACID; HETEROGENEOUS CATALYST; HOMOGENEOUS CATALYST; METAL OXIDES; MGO; NON-EDIBLE OIL; PHYSICO-CHEMICAL CHARACTERIZATION; SPECTROSCOPIC TECHNIQUE; ZNO;

ALKALINITY; BIOETHANOL; CATALYSTS; CHARACTERIZATION; ETHANOL; GAS CHROMATOGRAPHY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; INFRARED SPECTROSCOPY; LANTHANUM OXIDES; MASS SPECTROMETRY; TRANSESTERIFICATION; VEGETABLE OILS; ZINC OXIDE;

BIODIESEL;

EID: 84865663009     PISSN: 13640321     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.rser.2012.07.005     Document Type: Review

References (155)

1. A. Demirbas Political, economic and environmental impacts of biofuels: a review Applied Energy 86 2009 108 117
2. X. Lang, A.K. Dalai, N.N. Bakhshi, M.J. Reaney, and P.B. Hertz Preparation and characterization of bio-diesels from various bio-oils Bioresource Technology 80 2001 53 62
3. I. Celikten, A. Koca, and M.A. Arslan Comparison of performance and emissions of diesel fuel, rapeseed and soybean oil methyl esters injected at different pressures Renewable Energy 35 2010 814 820
4. R. Alcantara, J. Amores, L. Canoira, E. Fidalgo, and M.J. Franco Catalytic production of biodeisel soy-bean oil, used frying oil and tallow Biomass and Bioenergy 18 2000 515 527
5. M.J. Haas Improving the economics of biodiesel production through the use of low value lipids as feedstocks: vegetable oil soapstock Fuel Processing Technology 86 2005 1087 1096
6. S. Sumathi, S.P. Chai, and A.R. Mohamed Utilization of palm oil as a source of renewable energy in Malaysia Renewable and Sustainable Energy Reviews 12 2008 2404 2421
7. Y.S. Ooi, R. Zakaria, A.R. Mohamed, and S. Bhatia Catalytic conversion of palm oil-based fatty acid mixture to liquid fuel Biomass and Bioenergy 27 2004 477 484
8. M.A. Kalam, and H.H. Masjuki Biodiesel from palm oil - an analysis of its properties and potential Biomass and Bioenergy 23 2002 471 479
9. M. Canakci, A.N. Azsezen, E. Arcaklioglu, and A. Erdil Prediction of performance and exhaust emissions of a diesel engine fueled with biodiesel produced from waste frying palm oil Expert Systems with Applications 36 2009 9268 9280
10. 13C) and GC-MS studies of fatty acid methyl esters in biodiesel from rocket seed oil Fuel Processing Technology 92 2011 336 341
11. S. Siler-Marinkovic, and A. Tomasevic Transesterification of sunflower oil in situ Fuel 77 1998 1389 1392
12. D. Rattanaphra, and P. Srinophakun Biodiesel production from crude sunflower oil and crude jatropha oil using immobilized lipase Journal of Chemical Engineering of Japan 43 2010 104 108
13. N. Foidl, G. Foidl, M. Sanchez, M. Mittelbach, and S. Hackel Jatropha curcas L. as a source for the production of biofuel in Nicaragua Bioresource Technology 58 1996 77 82
14. K. Pramanik Properties and use of Jatropha curcas oil and diesel fuel blends in compression ignition engine Renewable Energy 28 2003 239 248
15. L. Canoira, R. Alcantara, J. Garcia-Martinez, and J. Carrasco Biodiesel from Jojoba oil-wax: transesterification with methanol and properties as a fuel Biomass and Bioenergy 30 2006 76 78
16. L.C. Meher, M.G. Kulkarni, A.K. Dalai, and S.N. Naik Transesterification of karanja (Pongamia pinnata) oil by solid basic catalysts European Journal of Lipid Science and Technology 108 2006 3898 3978
17. L.C. Meher, V.S.S. Dharmagadda, and S.N. Naik Optimization of alkali-catalyzed transesterification of Pongamia pinnata oil for production of biodiesel Bioresource Technology 97 2006 1392 1397
18. N. Sardar, M. Ahmad, M.A. Khan, S. Ali, M. Zafar, and N. Khalid Prospects and potential of non edible neem oil biodiesel based on physico-chemical characterization Energy Sources Part A: Recovery, Utilization, and Environmental Effects 33 2011 1422 1430
19. L. Brennan, and P. Owende Biofuels from microalgae - a review of technologies for production, processing, and extractions of biofuels and co-products Renewable and Sustainable Energy Reviews 14 2010 557 577
20. A.L. Ahmad, N.H. Mat Yasin, C.J.C. Derek, and J.K. Lim Microalgae as a sustainable energy source for biodiesel production: a review Renewable and Sustainable Energy Reviews 15 2011 584 593
21. A.K. Agarwal Biofuels (alcohols and biodeisel applications as fuels for internal combustion engines Progress in Energy and Combustion Science 33 2007 233 271
22. L.C. Meher, D.V. Sagar, and S.N. Naik Technical aspects of biodiesel production by transesterification - a review Renewable and Sustainable Energy Reviews 10 2006 248 268
23. J.M. Encinar, J.F. González, and A. Rodríguez-Reinares Ethanolysis of used frying oil, biodiesel preparation and characterization Fuel Processing Technology 88 2007 513 522
24. Gerpen JV, Shanks B, Pruszko R, Clements D, Knothe G. Biodiesel production technology: August 2002-January 2004. Other information: PBD: 1 July 2004; related information: work performed by Iowa State University, Renewable Products Development Laboratory, and USDA/NCAUR; 2004. p. 110.
25. Schumacher J. Small scale biodiesel production: an overview. Agricultural Marketing Policy; 2007.
26. J.V. Gerpen Biodiesel processing and production Fuel Processing Technology 86 2005 1097 1107
27. Cooke BS, Abrams C, Bertram B. Purification of biodiesel with adsorbent materials. US Patent no. 0509959P; 2003.
28. A. Gabelman, and S. Hwang Hollow fiber membrane contactors Journal of Membrane Science 159 1999 61 106
29. H. He, X. Guo, and S. Zhu Comparison of membrane extraction with traditional extraction methods for biodiesel production Journal of American Oil Chemists' Society 83 2006 457 460
30. J.M. Lopez, A. Gomez, F. Aparicio, and S.F. Javier Comparison of GHG emissions from diesel, biodiesel and natural gas refuse trucks of the City of Madrid Applied Energy 86 2009 610 615
31. Y.C. Chen, S.L. He, and J. Cheng Study on extraction and deacidification of oils and fats of natural plants by supercritical carbon dioxide Journal of Yangtze University 4 2007 45 47
32. A. Demirbas, and H. Kara New options for conversion of vegetable oils to alternative fuels Energy Sources Part A: Recovery, Utilization, and Environmental Effects 28 2006 619 626
33. Z.J. Predojevic The production of biodiesel from waste frying oils: a comparison of different purification steps Fuel 87 2008 3522 3528
34. F. Karaosmanoglu, K.B. Cigizoglu, M. Tuter, and S. Ertekin Investigation of the refining step of biodiesel production Energy and Fuels 10 1996 890 895
35. M. Canakci, and J.V. Gerpen Biodiesel production from oils and fats with high free fatty acids Transactions of the American Society of Agricultural Engineers 44 2001 1429 1436
36. M.A. Dube, A.Y. Tremblay, and J. Liu Biodiesel production using a membrane reactor Bioresource Technology 98 2007 639 647
37. M. Berrios, and R.L. Skelton Comparison of purification methods for biodiesel Chemical Engineering 144 2008 459 465
38. The EN 14214 standard - specifications and test methods; 2003.
39. D. Erinco Membrane reactors Chemical Engineering and Processing 43 2004 1101 1102
40. G.Q. Lu, J.C. Diniz da Costa, M. Dukec, S. Giessler, R. Socolowe, and R.H. Williams Inorganic membranes for hydrogen production and purification: a critical review and perspective Journal of Colloid and Interface Science 314 2007 589 603
41. ASTM D6751 biodiesel blend stock specification (100).
42. F. Ma, L.D. Clements, and M.A. Hanna The effects of catalyst free fatty acids and water on transesterification of beef tallow Transactions of the American Society of Agricultural Engineers 41 1998 1261 1264
43. Bradshaw GB, Meuly WC. Preparation of detergents. US Patent 2; 1944. p. 360-844.
44. R.O. Feuge, and T. Grose Modification of vegetable oils. VII. Alkali catalyzed transesterification of peanut oil with ethanol Journal of American Oil Chemists' Society 26 1990 97 102
45. Turck R. Method for producing fatty acid esters of monovalent alkyl alcohols and use thereof. USP 0156305; 2002.
46. Nye MJ, Southwell PH. Esters from rapeseed oil as diesel fuel. In: Proceedings of the vegetable oil as diesel fuel seminar III. Peoria: Northern Agricultural Energy Center; 1983. p. 78-83.
47. Sprules FJ, Price D. Production of fatty esters. US Patent 2; 1950. p. 366-494.
48. B. Freedman, E.H. Pryde, and T.L. Mounts Variables affecting the yields of fatty esters from transesterified vegetable oils Journal of American Oil Chemists' Society 61 1984 1638 1643
49. Tanaka Y, Okabe A, Ando S. Method for the preparation of a lower alkyl ester of fatty acids. US Patent 4; 1981. p. 303-590.
50. L. Hartman Methanolysis of triglycerides Journal of American Oil Chemists' Society 33 1956 129 132
51. M.A. Jackson, and J.W. King Methanolysis of seed oil in flowing supercritical carbon dioxide Journal of American Oil Chemists' Society 73 1996 353 356
52. Guo Y. Alkaline-catalyzed production of biodiesel fuel from virgin canola oil and recycled waste oils. PhD dissertation. Hong Kong: Department of Mechanical Engineering, the University of Hong Kong; 2005. p. 184.
53. D.Y.C. Leung, and Y. Guo Transesterification of neat and used frying oil: optimization for biodiesel production Fuel Processing Technology 87 2006 883 890
54. T. Eevera, K. Rajendran, and S. Saradha Biodiesel production process optimization and characterization to assess the suitability of the product for varied environmental conditions Renewable Energy 34 2009 762 765
55. B. Freedman, R.O. Butterfield, and E.H. Pryde Transesterification kinetics of soybean oil Journal of American Oil Chemists' Society 63 1986 1375 1380
56. I.A.W. Mohamad, and O.A. Ali Evaluation of the transesterification of waste palm oil into biodiesel Bioresource Technology 85 2002 225 256
57. H. Fuduka, A. Kondo, and H. Noda Biodiesel fuel production by transesterification of oils Journal of Bioscience and Bioengineering 92 2001 405 416
58. Smith MK. Process of producing esters. US Patent 2; 1949. p. 444-86.
59. U. Rashid, and F. Anwar Production of biodiesel through optimized alkaline-catalyzed transesterification of rapeseed oil Fuel 87 2008 265 273
60. U. Rashid, F. Anwar, B.R. Moser, and S. Ashraf Production of sunflower oil methyl esters by optimized alkali-catalyzed methanolysis Biomass and Bioenergy 32 2008 1202 1205
61. Demirbas A. Current technologies in biodiesel production. In: biodiesel; 2008. p. 161-73.
62. N. Azcan, and A. Danisman Alkali catalyzed transesterification of cottonseed oil by microwave irradiation Fuel 86 2007 2639 2644
63. J.M. Dias, M.C.M. Alvim-Ferraz, and M.F. Almeida Comparison of the performance of different homogeneous alkali catalysts during transesterification of waste and virgin oils and evaluation of biodiesel quality Fuel 87 2008 3572 3578
64. N. Dizge, C. Aydiner, D.Y. Imer, M. Bayramoglu, A. Tanriseven, and B. Keskinler Biodiesel production from sunflower, soybean, and waste cooking oils by transesterification using lipase immobilized onto a novel microporous polymer Bioresource Technology 100 2009 1983 1991
65. N. Dizge, and B. Keskinler Enzymatic production of biodiesel from canola oil using immobilized lipase Biomass and Bioenergy 32 2008 1274 1278
66. Y. Shimada, Y. Watanabe, A. Sugihara, and Y. Tominaga Enzymatic alcoholysis for biodiesel fuel production and application of the reaction to oil processing Journal of Molecular Catalysis B 17 2002 133 142
67. H. Noureddini, and D. Zhu Kinetics of transesterification of soybean oil Journal of American Oil Chemists' Society 74 1997 1457 1463
68. B. Freedman, E.H. Pryde, and T.L. Mounts Variables affecting the yields of fatty esters from transesterified vegetable oils Journal of the American Oil Chemists' Society 61 1984 1638 1643
69. M.I. Al-Widyan, and A.O. Al-shyoukh Experimental evaluation of the transesterification of waste palm oil into biodiesel Bioresource Technology 85 2002 253 256
70. A. Srivastava, and R. Prasad Triglycerides-based diesel fuels Renewable and Sustainable Energy Reviews 4 2000 111 133
71. Y. Zhang, M.A. Dube, D.D. McLean, and M. Kates Biodiesel production from waste cooking oil; 1. Process design and technological assessment Bioresource Technology 89 2000 1 16
72. Y. Zhang, M.A. Dube, D.D. McLean, and M. Kates Biodiesel production from waste cooking oil; 2. Economic assessment and sensity analysis Bioresource Technology 90 2003 229 240
73. M. Kim, S. Yan, S.O. Salley, and K.Y.S. Ng Competitive transesterification of soybean oil with mixed methanol/ethanol over heterogeneous catalysts Bioresource Technology 101 2010 4409 4414
74. J. Ji, J. Wang, Y. Li, Y. Yu, and Z. Xu Preparation of biodiesel with the help of ultrasonic and hydrodynamic cavitation Ultrasonics 44 2006 411 414
75. A.V. Tomasevic, and S.S. Marinkovic Methanolysis of used frying oils Fuel Processing Technology 81 2003 1 6
76. G. Vicente, M. Martinez, and J. Aracil Optimization of integrated biodiesel production part 1. A study of biodiesel purity and yield Bioresource Technology 98 2007 1724 1733
77. M. Ahmad, M. Zafar, M.A. Khan, A. Hassan, and S. Sultana Methanolysis of cottonseed oil for biodiesel: as renewable source of energy Asian Journal of Chemistry 6 2008 4565 4570
78. U. Rashid, F. Anwar, and G. Knothe Evaluation of biodiesel obtained from cottonseed oil Fuel Processing Technology 9 2009 1157 1163
79. S. Zullaikah, C.C. Lai, S.R. Vali, and Y.H. Ju A two-step acid-catalyzed process for the production of biodiesel from rice bran oil Bioresource Technology 96 2005 1889 1896
80. S.K. Karmee, and A. Chadha Preparation of biodiesel from crude oil of Pongamia pinnata Bioresource Technology 96 2005 1425 1429
81. Y.C. Sharma, and B. Singh Development of biodiesel from karanja, a tree found in rural India Fuel 87 2008 1740 1742
82. R. Sarin, M. Sharma, S. Sinharay, and R.K. Malhotra Jatropha-palm biodiesel blends: an optimum mix for Asia Fuel 86 2007 1365 1371
83. X. Liu, H. He, Y. Wang, and S. Zhu Transesterification of soybean oil to biodiesel using CaO as a solid base catalyst Fuel 87 2008 216 221
84. R.B. de Silva, A.F.N. Lima, D.L. Soares, S. Santos, J.R.L. de Oliveira, and M.H. Chaves Catalysts of Cu (II) and Co (II) ions adsorbed in chitosan used in transesterification of soybean and babassu oils - a new route for biodiesel syntheses Bioresource Technology 99 2008 6793 6798
85. D.M. Serio, M. Cozzolino, R. Tesser, P. Patrono, F. Pinzari, and B. Bonelli Vanadyl phosphate catalysts in biodiesel production Applied Catalysis A: General 320 2007 1 7
86. A. Kawashima, K. Matsubara, and K. Honda Acceleration of catalytic activity of calcium oxide for biodiesel production Bioresource Technology 100 2009 696 700
87. M.G. Kulkarni, R. Gopinath, L.C. Meher, and A.K. Dalai Solid acid catalyzed biodiesel production by simultaneous esterification and transesterification Green Chemistry 8 2006 1056 1062
88. W. Lou, M. Zong, and Z. Duan Efficient production of biodiesel from high free fatty acid-containing waste oils using various carbohydrate-derived solid acid catalysts Bioresource Technology 99 2008 8752 8758
89. X. Liu, H. He, Y. Wang, and S. Zhu Transesterification of soybean oil to biodiesel using SrO as a solid base catalyst Catalysis Communications 8 2007 1107 1111
90. W.M. Antunes, C.O. Veloso, and C.A. Henriques Transesterification of soybean oil with methanol catalyzed by basic solids Catalysis Today 133 2008 548 554
91. Y. Wang, F. Zhang, S. Yu, L. Yang, D. Li, and D.G. Evans Preparation of macrospherical magnesia-rich magnesium aluminate spinel catalysts for methnolysis of soybean oil Chemical Engineering Science 63 2008 4306 4312
92. S. Furuta, H. Matsuhashi, and K. Arata Biodiesel fuel production with solid superacid catalysis in fixed bed reactor under atmospheric pressure Catalysis Communications 5 2004 721 723
93. M.D. Serio, T. Riccardo, P. Lu, and S. Eli Heterogeneous catalysts for biodiesel production Energy & Fuels 22 2008 207 217
94. W. Xie, H. Peng, and L. Chen Calcined Mg-Al hydrotalcites as solid base catalysts for methanolysis of soybean oil Journal of Molecular Catalysis A: Chemical 246 2006 24 32
95. W. Xie, H. Peng, and L. Chen Transesterification of soybean oil catalyzed by potassium loaded on alumina as a solid-base catalyst Applied Catalysis A: General 300 2006 67 74
96. W. Xie, and H. Li Alumina-supported potassium iodide as a heterogeneous catalyst for biodiesel production from soybean oil Journal of Molecular Catalysis A: Chemical 255 2006 1 9
97. W. Xie, and X. Huang Synthesis of biodiesel from soybean oil using heterogeneous KF/ZnO catalyst Catalysis Letters 107 2006 53 59
98. W. Trakarnpruk, and S. Porntangjitlikit Palm oil biodiesel synthesized with potassium loaded calcined hydrotalcite and effect of biodiesel blend on elastomer properties Renewable Energy 33 2008 1558 1563
99. J. Jitputti, B. Kitiyanan, P. Rangsunvigit, K. Bunyakiat, and Jenvanitpanjakul P. Attanatho Transesterification of crude palm kernel oil and crude coconut oil by different solid catalysts Chemical Engineering 116 2006 61 66
100. H.Y. Zeng, Z. Feng, X. Deng, and Y.Q. Li Activation of Mg-Al hydrotalcite catalysts for transesterification of rape oil Fuel 87 2008 3071 3076
101. G. Arzamendi, I. Campoa, E. Arguinarena, M. Sanchez, M. Montes, and L.M. Gandia Synthesis of biodiesel with heterogeneous NaOH/alumina catalysts: comparison with homogeneous NaOH Chemical Engineering 134 2007 123 130
102. M.L. Granados, M.D.Z. Poves, D.M. Alonso, R. Mariscal, F.C. Galisteo, and R. Moreno-Tost Biodiesel from sunflower oil by using activated calcium oxide Applied Catalysis B: Environmental 73 2007 317 326
103. P.S. Sreeprasanth, R. Srivastava, D. Srinivas, and P. Ratnasamy Hydrophobic, solid acid catalysts for production of biofuels and lubricants Applied Catalysis A: General 314 2006 148 159
104. M.C.G. Albuquerque, U.I. Jiménez, G.J. Santamaría, J.M.R. Mérida, T.R. Moreno, and C.E. Rodríguez CaO supported on mesoporous silicas as base catalysts for transesterification reactions Applied Catalysis A: General 334 2008 35 43
105. Z. Huaping, W. Zongbin, C. Yuanxiao, Z. Ping, D. Shije, and L. Xiaohua Preparation of biodiesel catalyzed by solid super base of calcium oxide and its refining process Chinese Journal of Catalysis 27 2006 391 396
106. A.K. Agarwal, and L.M. Das Biodiesel development and characterization for use as a fuel in ignition engine Journal of Engineering for Gas Turbines and Power 123 2001 440 447
107. J. Qian, and Z. Yun Cogeneration of biodiesel and non-toxic cottonseed meal from cottonseed through in situ alkaline transesterofication Energy and Fuels 23 2009 507 512
108. P.D. Patil, and S. Deng Optimization of biodiesel production from edible and nonedible vegetable oils Fuel 88 2009 1302 1306
109. R.O. Dunn, and M.O. Bagby Low-temperature properties of triglyceride-based diesel fuels: transesterified methyl esters and petroleum middle distillate/ ester blends Journal of American Oil Chemists' society 72 1995 895 904
110. S. Lim, and L.K. Teong Recent trends, opportunities and challenges of biodiesel in Malaysia: an overview Renewable and Sustainable Energy Reviews 14 2010 938 954
111. M. Ahmad, M.A. Khan, M. Zafar, A. Hasan, Z. Ahmad, and A. Gulraiz Base catalyzed transesterification of Brassica alba oil and its association with mineralogy to environment friendly biodiesel Asian Journal of Chemistry 20 2008 6402 6410
112. U. Rashid, and F. Anwar Production of biodiesel through base-catalyzed transesterification of safflower oil using an optimized protocol Energy and Fuels 22 2008 1306 1312
113. S.P. Singh, and D. Singh Biodiesel production through the use of different sources and characterization of oils and their esters as the substitute of diesel: a review Renewable and Sustainable Energy Reviews 14 2010 200 216
114. R.A. Candeia, M.C.D. Silva, F.J.R. Carvalho, M.G.A. Brasilino, T.C. Bicudo, and I.M.G. Santos Influence of soybean biodiesel content on basic properties of biodiesel-diesel blends Fuel 4 2009 738 743
115. P.S. Rao, and K.V. Gopalakrishnan Vegetable oils and their methyl esters as fuels for diesel engines Indian Journal of Technology 6 1991 292 297
116. D.Y.C. Leung, X. Wu, and M.K.H. Leung A review on biodiesel production using catalyzed transesterification Applied Energy 87 2010 1083 1095
117. A.K. Bhatnagar, K. Savita, V.K. Chhibber, and A.K. Gupta HFRR studies on methyl esters of nonedible vegetable oils Energy and Fuels 3 2006 1341 1344
118. Peterson CL, Reece DL, Cruz R, Thampson J. A comparison of ethyl and methyl esters of vegetable oils as diesel fuel substitute. Liquid fuels from renewable resources. In: Proceedings of an alternative energy conference of ASAE; 1992p. 99-110.
119. M.P. Dorado, E. Ballesteros, F.J. Lopez, and M. Mittelbach Optimization of alkali-catalyzed transesterification of Brassica carinata oil for biodiesel production Energy and Fuels 18 2004 77 83
120. I. Bamgboye, and A.C. Hansen Prediction of cetane number of biodiesel from the fatty acid methyl ester composition International Agrophysics 22 2008 21 29
121. Biodiesel standard, DIN V 51606, Germany 1994; Biodiesel standard, EN 14214, European standard organization 2003; Biodiesel standard, ASTM D6751, USA; 1999.
122. P.V. Bhale, N.V. Deshponde, and S.B. Thombre Improving the low temperature properties of biodiesel fuel Renewable Energy 34 2009 794 800
123. J. Cvengrosova, Z. Cvengrosova, and C. Hoka Conversion of acyl glycerols to methyl esters by TLC method Petroleum and Coal 44 2002 67
124. A.C. Pinto, L.L.N. Guarieiro, M.J.C. Rezende, N.M. Ribeiro, E.A. Tories, and W.A. Lopes Biodiesel: an overview Journal of the Brazilian Chemical Society 16 2005 1313 1330
125. J. Cvengrosova, and Z. Cvengrosova Quality control of rapeseed oil methyl esters by determination of acyl conversion Journal of American Oil Chemists' Society 71 1994 1349 1352
126. Z. Cvengrosova, J. Cvengros, and M. Hronec Rapeseed oil ethyl esters as alternative fuels and their quality control Petroleum and Coal 39 1997 36 40
127. J. Cvengrosova, J. Paligova, and Z. Cvengrosova Properties of alkyl esters based on castor oil European Journal of Lipid Science and Technology 108 2006 629 635
128. M. Mittelbach Diesel fuel from vegetable oils, V: gas chromatographic determination of free glycerol in transesterified vegetable oils Chromatographia 37 1993 623 626
129. Boocock DGB. Single phase process for production of fatty acid methyl esters from mixtures of triglycerides and fatty acids. WO 0112581; 2001.
130. A. Demirbas Biodiesel fuels from vegetable oils via catalytic and non-catalytic supercritical alcohol transesterifications and other methods: a survey Energy Conversion and Management 44 2003 2093 2109
131. C.E. Goering, A.W. Schwab, M.J. Daugherty, E.H. Pryde, and A.J. Heakin Fuel properties of eleven oils Transactions of the American Society of Agricultural Engineers 25 1982 1472 1483
132. J.M. Marchetti, V.U. Miguel, and A.F. Errazu Possible methods for biodiesel production Renewable and Sustainable Energy Reviews 11 2007 1300 1311
133. T. Rezanka, and H. Rezankova Characterization of fatty acids and triacylglycerols in vegetable oils by gas chromatography and statistical analysis Analytica Chimica Acta 398 1999 253 261
134. Anonymous The wealth of India: raw materials 1959 Publication & Information Directorate, Council of Scientific & Industrial Research New Delhi
135. P.N. Giannelos, F. Zannikos, S. Stournas, E. Lois, and G. Anastopoulos Tobacco seed oil as an alternative diesel fuel: physical and chemical properties Industrial Crops and Products 16 2002 1 9
136. P.D. Tyagi, and K.K. Kakkar Non-conventional vegetable oils 1991 Batra Book Service New Delhi
137. B. Trathnigg, and M. Mittelbach Analysis of triglyceride methanolysis mixtures using isocratic HPLC with density detection Journal of Liquid Chromatography 13 1990 95 102
138. P. Lozano, N. Chirat, J. Graille, and D. Pioch Measurement of free glycerol in biofuels Fresenius Journal of Analytical Chemistry 354 1996 319 322
139. G. Knothe Analytical methods used in the production and fuel quality assessment of biodiesel Transactions of the American Society of Agricultural Engineers 44 2001 193 200
140. M. Holcapek, P. Jandera, J. Fischer, and B. Prokes Analytical monitoring of the production of biofuel by high performance liquid chromatography with various detection methods Journal of Chromatography A 858 1999 13 31
141. K. Komers, R. Stloukal, J. Machek, and F. Skopal Biodiesel from rapeseed oil, methanol and KOH. 3. Analysis of composition of actual mixture European Journal of Lipid Science and Technology 103 2001 363 371
142. 1H Nuclear Magnetic Resonance determination of the yield of the transesterification of rapeseed oil with methanol Journal of American Oil Chemists' Society 72 1995 1239 1241
143. 1H NMR) Energy and Fuels 20 2006 1350 1353
144. 1H NMR Journal American Oil Chemists' Society 81 2004 1111 1114
145. 13C NMR Spektroskopie zur Bestimmung von Umsatz und Reaktionskinetikder Umesterungvon Triglyceriden zu Methylestern Chemicals Technology 51 1999 326 329
146. G. Knothe Rapid monitoring of transesterification and accessing biodiesel fuel quality by near-infrared spectroscopy using a fibre optic probe Journal of American Oil Chemists' Society 76 1999 795 800
147. 1H nuclear magnetic resonance Journal of American Oil Chemists' Society 77 2000 489 493
148. G.F. Zagonel, P.G. Peralta, and L.P. Ramos Multivariate monitoring of soybean oil ethanolysis by FTIR Talanta 63 2004 1021 1025
149. N.G. Siatis, A.C. Kimbaris, C.S. Pappas, P.A. Tarantilis, and M.G. Polissiou Improvement of biodiesel production based on the application of ultrasound: monitoring of the procedure by FTIR spectroscopy Journal of American Oil Chemists' Society 83 2006 53 57
150. G.F. Ghesti, J.L. de Macedo, V.S. Braga, A.T.C.P. de Souza, V.C.I. Parente, and E.S. Figueredo Application of Raman spectroscopy to monitor and quantify ethyl esters in soybean oil transesterfication Journal of American Oil Chemists' Society 83 2006 597 601
151. 1H NMR spectroscopy methods Energy and Fuels 21 2007 2475 2480
152. Barone JR. 233rd ACS National Meeting, paper AGRO-153. Chicago; March 2007. p. 25-9.
153. M.G. Trevisan, C.M. Garcia, U. Schuchardt, and R.J. Poppi Evolving factor analysis-based method for correcting monitoring delay in different batch runs for use with PLS: on-line monitoring of a transesterification reaction by ATR-FTI Talanta 74 2008 971 976
154. M.A. Dubé, S. Zheng, D.D. McLean, and K. Morris Biodiesel production from waste frying oil conversion monitoring and. modeling Journal of American Oil Chemists' Society 81 2004 599 603
155. G. Arzamendi, E. Arguinarena, I. Campo, and L.M. Gandiá Monitoring of biodiesel production: simultaneous analysis of the transesterification products using size-exclusion chromatography Chemical Engineering 122 2006 31 40