A review on biodiesel production using catalyzed transesterification

Applied Energy - Tập 87 Số 4 - Trang 1083-1095 - 2010
Dennis Y.C. Leung1, Xuan Wu1, Michael K.H. Leung1
1Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China

Tóm tắt

Từ khóa


Tài liệu tham khảo

Xu, 2003, The investigation of blending properties of biodiesel and No. 0 diesel fuel, J Jiangsu Polytech Univ, 15, 16

Abreu, 2004, Utilization of metal complexes as catalysts in the transesterification of Brazilian vegetable oils with different alcohols, J Mol Catal A Chem, 209, 29, 10.1016/j.molcata.2003.08.003

Azcan, 2008, Microwave assisted transesterification of rapeseed oil, Fuel, 87, 1781, 10.1016/j.fuel.2007.12.004

Berchmans, 2008, Biodiesel production from crude Jatropha curcas L. seed oil with a high content of free fatty acids, Bioresour Technol, 99, 1716, 10.1016/j.biortech.2007.03.051

Bernardo, 2003, Camelina oil as a fuel for diesel transport engines, Ind Crops Prod, 17, 191, 10.1016/S0926-6690(02)00098-5

Byun, 1995, Physicochemical properties of soybean oil extracted from [gamma]-irradiated soybeans, Radiat Phys Chem, 46, 659, 10.1016/0969-806X(95)00237-R

Chitra, 2005, Optimisation of experimental conditions for biodiesel production from alkali-catalysed transesterification of Jatropha curcus oil, Energy Sustain Dev, 9, 13, 10.1016/S0973-0826(08)60518-9

Demirbas, 2003, Biodiesel fuels from vegetable oils via catalytic and non-catalytic supercritical alcohol transesterifications and other methods: a survey, Energy Convers Manage, 44, 2093, 10.1016/S0196-8904(02)00234-0

Kaya, 2009, Methyl ester of peanut (Arachis hypogea L.) seed oil as a potential feedstock for biodiesel production, Renew Energy, 34, 1257, 10.1016/j.renene.2008.10.002

Issariyakul, 2008, Biodiesel production from mixtures of canola oil and used cooking oil, Chem Eng J, 140, 77, 10.1016/j.cej.2007.09.008

Kansedo, 2009, Cerbera odollam (sea mango) oil as a promising non-edible feedstock for biodiesel production, Fuel, 88, 1148, 10.1016/j.fuel.2008.12.004

Kumar Tiwari, 2007, Biodiesel production from jatropha oil (Jatropha curcas) with high free fatty acids: an optimized process, Biomass Bioenergy, 31, 569, 10.1016/j.biombioe.2007.03.003

Rao, 2009, Quantitative and qualitative determination of acid value of peanut oil using near-infrared spectrometry, J Food Eng, 93, 249, 10.1016/j.jfoodeng.2009.01.023

Sahoo, 2009, Process optimization for biodiesel production from Jatropha, Karanja and Polanga oils, Fuel, 88, 1588, 10.1016/j.fuel.2009.02.016

San Jose Alonso, 2008, A note on the combustion of blends of diesel and soya, sunflower and rapeseed vegetable oils in a light boiler, Biomass Bioenergy, 32, 880, 10.1016/j.biombioe.2008.01.007

Santos FFP, Malveira JQ, Cruz MGA, Fernandes FAN. Production of biodiesel by ultrasound assisted esterification of Oreochromis niloticus oil. Fuel 2009;doi:10.1016/j.fuel.2009.05.030.

Saraf, 2007, Influence of feedstock and process chemistry on biodiesel quality, Process Saf Environ Prot, 85, 360, 10.1205/psep07025

Singh, 2009, 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, 200, 10.1016/j.rser.2009.07.017

Srivastava, 2000, Triglycerides-based diesel fuels, Renew Sustain Energy Rev, 4, 111, 10.1016/S1364-0321(99)00013-1

Winayanuwattikun, 2008, Potential plant oil feedstock for lipase-catalyzed biodiesel production in Thailand, Biomass Bioenergy, 32, 1279, 10.1016/j.biombioe.2008.03.006

Zubr, 1997, Oil-seed crop: Camelina sativa, Ind Crops Prod, 6, 113, 10.1016/S0926-6690(96)00203-8

Schinas, 2009, Pumpkin (Cucurbita pepo L.) seed oil as an alternative feedstock for the production of biodiesel in Greece, Biomass Bioenergy, 33, 44, 10.1016/j.biombioe.2008.04.008

Goodrum, 2003, Rheological characterization of animal fats and their mixtures with #2 fuel oil, Biomass Bioenergy, 24, 249, 10.1016/S0961-9534(02)00136-8

Liu, 2004, Body composition, growth performance, and product quality of rainbow trout (Oncorhynchus mykiss) fed diets containing poultry fat, soybean/corn lecithin, or menhaden oil, Aquaculture, 238, 309, 10.1016/j.aquaculture.2004.03.022

Patil, 2009, Optimization of biodiesel production from edible and non-edible vegetable oils, Fuel, 88, 1302, 10.1016/j.fuel.2009.01.016

Gui, 2008, Feasibility of edible oil vs. non-edible oil vs. waste edible oil as biodiesel feedstock, Energy, 33, 1646, 10.1016/j.energy.2008.06.002

Haas, 2005, Improving the economics of biodiesel production through the use of low value lipids as feedstocks: vegetable oil soapstock, Fuel Process Technol, 86, 1087, 10.1016/j.fuproc.2004.11.004

Leung, 2006, Transesterification of neat and used frying oil: optimization for biodiesel production, Fuel Process Technol, 87, 883, 10.1016/j.fuproc.2006.06.003

Upham, 2009, Substitutable biodiesel feedstocks for the UK: a review of sustainability issues with reference to the UK RTFO, J Cleaner Prod, 17, S37, 10.1016/j.jclepro.2009.04.014

Bhatti, 2008, Biodiesel production from waste tallow, Fuel, 87, 2961, 10.1016/j.fuel.2008.04.016

Frohlich, 2005, Evaluation of Camelina sativa oil as a feedstock for biodiesel production, Ind Crops Prod, 21, 25, 10.1016/j.indcrop.2003.12.004

Hameed, 2009, Production of biodiesel from palm oil (Elaeis guineensis) using heterogeneous catalyst: an optimized process, Fuel Process Technol, 90, 606, 10.1016/j.fuproc.2008.12.014

Liu, 2008, Transesterification of soybean oil to biodiesel using CaO as a solid base catalyst, Fuel, 87, 216, 10.1016/j.fuel.2007.04.013

Meher, 2006, Optimization of alkali-catalyzed transesterification of Pongamia pinnata oil for production of biodiesel, Bioresour Technol, 97, 1392, 10.1016/j.biortech.2005.07.003

Ramadhas, 2005, Biodiesel production from high FFA rubber seed oil, Fuel, 84, 335, 10.1016/j.fuel.2004.09.016

Rashid, 2008, Production of biodiesel through optimized alkaline-catalyzed transesterification of rapeseed oil, Fuel, 87, 265, 10.1016/j.fuel.2007.05.003

Rashid, 2009, Evaluation of biodiesel obtained from cottonseed oil, Fuel Process Technol, 90, 1157, 10.1016/j.fuproc.2009.05.016

Rashid, 2008, Production of sunflower oil methyl esters by optimized alkali-catalyzed methanolysis, Biomass Bioenergy, 32, 1202, 10.1016/j.biombioe.2008.03.001

Demirbas, 1998, Fuel properties and calculation of higher heating values of vegetable oils, Fuel, 77, 1117, 10.1016/S0016-2361(97)00289-5

Mudge, 1999, Stimulating the biodegradation of crude oil with biodiesel preliminary results, Spill Sci Technol Bull, 5, 353, 10.1016/S1353-2561(99)00075-4

Speidel, 2000, Biodegradability of new engineered fuels compared to conventional petroleum fuels and alternative fuels in current use, Appl Biochem Biotechnol, 84–86, 879

Harrington, 1986, Chemical and physical properties of vegetable oil esters and their effect on diesel fuel performance, Biomass, 9, 1, 10.1016/0144-4565(86)90008-9

USEPA. A comprehensive analysis of biodiesel impacts on exhaust emissions. Draft Technical Report. USEPA; 2002.

Knothe, 2006, Exhaust emissions of biodiesel, petrodiesel, neat methyl esters, and alkanes in a new technology engine, Energy Fuels, 20, 403, 10.1021/ef0502711

Lin, 2009, Biodiesel production from crude rice bran oil and properties as fuel, Appl Energy, 86, 681, 10.1016/j.apenergy.2008.06.002

Lopez, 2009, Comparison of GHG emissions from diesel, biodiesel and natural gas refuse trucks of the City of Madrid, Appl Energy, 86, 610, 10.1016/j.apenergy.2008.08.018

Zhang, 2003, Biodiesel production from waste cooking oil: 2. Economic assessment and sensitivity analysis, Bioresour Technol, 90, 229, 10.1016/S0960-8524(03)00150-0

Canakci, 2006, Performance and exhaust emissions of a biodiesel engine, Appl Energy, 83, 594, 10.1016/j.apenergy.2005.05.003

Adams, 1983, Investigation of soybean oil as a diesel fuel extender: endurance tests, J Am Oil Chem Soc, 60, 1574, 10.1007/BF02666588

Anon, 1982, Filtered used frying fat powers diesel fleet, J Am Oil Chem Soc, 59, 780A

Engler, 1983, Effects of processing and chemical characteristics of plant oils on performance of an indirect-injection diesel engine, J Am Oil Chem Soc, 60, 1592, 10.1007/BF02666591

Peterson, 1983, Winter rape oil fuel for diesel engines: recovery and utilization, J Am Oil Chem Soc, 60, 1579, 10.1007/BF02666589

Strayer, 1983, Canola and high erucic rapeseed oil as substitutes for diesel fuel: preliminary tests, J Am Oil Chem Soc, 60, 1587, 10.1007/BF02666590

Schwab, 1987, Preparation and properties of diesel fuels from vegetable oils, Fuel, 66, 1372, 10.1016/0016-2361(87)90184-0

Chang, 1947, China’s motor fuels from tung oil, Ind Eng Chem, 39, 1543, 10.1021/ie50456a011

Crossley, 1962, The effect of heat on pure triglycerides, J Am Oil Chem Soc, 39, 9, 10.1007/BF02633339

Niehaus, 1986, Cracked soybean oil as fuel for a diesel engine, Trans Am Soc Agric Eng, 29, 683, 10.13031/2013.30213

Pioch, 1993, Biofuels from catalytic cracking of tropical vegetable oils, Oleagineux, 48, 289

Sonntag, 1979, Reactions of fats and fatty acids

Weisz, 1979, Catalytic production of high-grade fuel (gasoline) from biomass compounds by shape-delective catalysis, Science, 206, 57, 10.1126/science.206.4414.57

Ma, 1999, Biodiesel production: a review, Bioresour Technol, 70, 1, 10.1016/S0960-8524(99)00025-5

Van Gerpen, 2004

Soriano, 2009, Biodiesel synthesis via homogeneous Lewis acid-catalyzed transesterification, Fuel, 88, 560, 10.1016/j.fuel.2008.10.013

ISTC. Feasibility report, small scale biodiesel production. In: Center IST, editor. Waste Management and Research Center; 2006.

Van Gerpen JH, Dvorak B. The effect of phosphorus level on the total glycerol and reaction yield of biodiesel bioenergy 2002. In: The 10th Biennial Bioenergy Conference, Boise; 2002.

Liu GR, Huang YQ, Chen GY. Study on the degumming process of acidic oil. In: Zhuang X, editor. International conference on biomass energy technologies. Guangzhou, China; 2008.

de Carvalho, 2006, Soybeans crude oil miscella degumming utilizing ceramic membranes: transmembrane pressure and velocity effects, Desalination, 200, 543, 10.1016/j.desal.2006.03.429

de Souza, 2008, Degumming of corn oil/hexane miscella using a ceramic membrane, J Food Eng, 86, 557, 10.1016/j.jfoodeng.2007.11.006

Verleyen, 2002, Influence of the vegetable oil refining process on free and esterified sterols, J Am Oil Chem Soc, 79, 947, 10.1007/s11746-002-0585-4

Pan, 2001, Influence of the operating conditions on acid degumming process in sunflower seed oil, J Am Oil Chem Soc, 78, 553, 10.1007/s11746-001-0302-3

Eisenmenger, 2008, Bioactive components of commercial and supercritical carbon dioxide processed wheat germ oil, J Am Oil Chem Soc, 85, 55, 10.1007/s11746-007-1163-0

Chen, 2007, Study on extraction and deacidification of oils and fats of natural plants by supercritical carbon dioxide, J Yangtze Univ (Nat Sci Ed), 4, 45

Demirbas, 2006

Mittelbach M, Koncar M. Method for the preparation of fatty acid alkyl esters. United States Patent 5849939. URL:http://www.freepatentsonline.com/5849939.html.

Turkay, 1991, Deacidification of sulfur olive oil. I. Single-stage liquid–liquid extraction of miscella with ethyl alcohol, J Am Oil Chem Soc, 68, 83, 10.1007/BF02662322

Zhang Y, Lu XH, Yu YL, Ji JB. Study on the coupling process of catalytic esterification and extraction of high acid value waste oil with methanol. In: Zhuang X, editor. International conference on biomass energy technologies. Guangzhou, China; 2008.

Pina, 2000, Deacidification of corn oil by solvent extraction in a perforated rotating disc column, J Am Oil Chem Soc, 77, 553, 10.1007/s11746-000-0088-3

Di Serio, 2005, Synthesis of biodiesel via homogeneous Lewis acid catalyst, J Mol Catal A: Chem, 239, 111, 10.1016/j.molcata.2005.05.041

Sheng, 2008, Production of biodiesel fuel from wast edible oil, China Academic J, 26

Jeromin L, Peukert E, Wollmann G. Process for the pre-esterification of free fatty acids in raw fats and/or oils. Henkel, Kommanditgesellschaft Auf Aktien;1990. URL:http://www.freepatentsonline.com/EP0192035B1.html.

Simone, 2008, Transesterification of vegetable oils promoted by poly(styrene-divinylbenzene) and poly(divinylbenzene), Appl Catal A: Gen, 349, 198, 10.1016/j.apcata.2008.07.030

Lou, 2008, Efficient production of biodiesel from high free fatty acid-containing waste oils using various carbohydrate-derived solid acid catalysts, Bioresour Technol, 99, 8752, 10.1016/j.biortech.2008.04.038

Ozbay, 2008, Esterification of free fatty acids in waste cooking oils (WCO): role of ion-exchange resins, Fuel, 87, 1789, 10.1016/j.fuel.2007.12.010

Shibasaki-Kitakawa, 2007, Biodiesel production using anionic ion-exchange resin as heterogeneous catalyst, Bioresour Technol, 98, 416, 10.1016/j.biortech.2005.12.010

Li, 2008, New two-step method of producing biodiesel from waster cooking oil, Cereals Oils Process

Van Gerpen J, 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. Size: 110 p.

Canakci, 1999, Biodiesel production via acid catalysis, Trans Am Soc Agric Eng, 42, 1203, 10.13031/2013.13285

Nelson, 1996, Lipase-catalyzed production of biodiesel, J Am Oil Chem Soc, 73, 1191, 10.1007/BF02523383

Shimada, 1999, Conversion of vegetable oil to biodiesel using immobilized Candida antarctica lipase, J Am Oil Chem Soc, 76, 789, 10.1007/s11746-999-0067-6

Devanesan, 2007, Transesterification of jatropha oil using immobilized pseudomonas fluorescens, Afr J Biotechnol, 6, 2497, 10.5897/AJB2007.000-2396

Fukuda, 2001, Biodiesel fuel production by transesterification of oils, J Biosci Bioeng, 92, 405, 10.1263/jbb.92.405

Kaieda, 1999, Biodiesel fuel production from plant oil catalyzed by Rhizopus oryzae lipase in a water-containing system without an organic solvent, J Biosci Bioeng, 88, 627, 10.1016/S1389-1723(00)87091-7

Matsumoto, 2001, Yeast whole-cell biocatalyst constructed by intracellular overproduction of Rhizopus oryzae lipase is applicable to biodiesel fuel production, Appl Microbiol Biotechnol, 57, 515, 10.1007/s002530100733

Demirbas A. Current technologies in biodiesel production. In: Biodiesel; 2008. p. 161–73.

Azcan, 2007, Alkali catalyzed transesterification of cottonseed oil by microwave irradiation, Fuel, 86, 2639, 10.1016/j.fuel.2007.05.021

Dias, 2008, Comparison of the performance of different homogeneous alkali catalysts during transesterification of waste and virgin oils and evaluation of biodiesel quality, Fuel, 87, 3572, 10.1016/j.fuel.2008.06.014

Dizge, 2009, Biodiesel production from sunflower, soybean, and waste cooking oils by transesterification using lipase immobilized onto a novel microporous polymer, Bioresour Technol, 100, 1983, 10.1016/j.biortech.2008.10.008

Dizge, 2008, Enzymatic production of biodiesel from canola oil using immobilized lipase, Biomass Bioenergy, 32, 1274, 10.1016/j.biombioe.2008.03.005

Shimada, 2002, Enzymatic alcoholysis for biodiesel fuel production and application of the reaction to oil processing, J Mol Catal B: Enzym, 17, 133, 10.1016/S1381-1177(02)00020-6

Kulkarni, 2006, Solid acid catalyzed biodiesel production by simultaneous esterification and transesterification, Green Chem, 8, 1056, 10.1039/b605713f

Qian WW, Yang L, Lu XP. Preparation of biodiesel catalyzed by KF/CaO with ultrasonic. In: Zhuang X, editor. International conference on biomass energy technologies. Guangzhou, China; 2008.

da Silva, 2008, Catalysts of Cu(II) and Co(II) ions adsorbed in chitosan used in transesterification of soy bean and babassu oils – A new route for biodiesel syntheses, Bioresour Technol, 99, 6793, 10.1016/j.biortech.2008.01.047

Di Serio, 2007, Vanadyl phosphate catalysts in biodiesel production, Appl Catal A: Gen, 320, 1, 10.1016/j.apcata.2006.11.025

Kawashima, 2009, Acceleration of catalytic activity of calcium oxide for biodiesel production, Bioresour Technol, 100, 696, 10.1016/j.biortech.2008.06.049

Lukic, 2009, Alumina/silica supported K2CO3 as a catalyst for biodiesel synthesis from sunflower oil, Bioresour Technol, 100, 4690, 10.1016/j.biortech.2009.04.057

Noiroj, 2009, A comparative study of KOH/Al2O3 and KOH/NaY catalysts for biodiesel production via transesterification from palm oil, Renew Energy, 34, 1145, 10.1016/j.renene.2008.06.015

Sakai, 2009, Economic assessment of batch biodiesel production processes using homogeneous and heterogeneous alkali catalysts, Bioresour Technol, 100, 3268, 10.1016/j.biortech.2009.02.010

Shu, 2009, Synthesis of biodiesel from cottonseed oil and methanol using a carbon-based solid acid catalyst, Fuel Process Technol, 90, 1002, 10.1016/j.fuproc.2009.03.007

Zabeti, 2009, Activity of solid catalysts for biodiesel production: a review, Fuel Process Technol, 90, 770, 10.1016/j.fuproc.2009.03.010

Stavarache, 2005, Fatty acids methyl esters from vegetable oil by means of ultrasonic energy, Ultrason Sonochem, 12, 367, 10.1016/j.ultsonch.2004.04.001

Thanh, 2009, Ultrasound-assisted production of biodiesel fuel from vegetable oils in a small scale circulation process, Bioresour Technol, 101, 639, 10.1016/j.biortech.2009.08.050

Santos, 2009, Optimization of the production of biodiesel from soybean oil by ultrasound assisted methanolysis, Fuel Process Technol, 90, 312, 10.1016/j.fuproc.2008.09.010

Wen, 2009, Intensification of biodiesel synthesis using zigzag micro-channel reactors, Bioresour Technol, 100, 3054, 10.1016/j.biortech.2009.01.022

Schumacher J. Small Scale Biodiesel Production: An Overview. Agricultural Marketing Policy; 2007. URL:http://www.ampc.montana.edu/policypaper/policy22.pdf.

Wen, 2008, Production of hydrogen by aqueous-phase reforming of glycerol, Int J Hydrogen Energy, 33, 6657, 10.1016/j.ijhydene.2008.07.072

da Silva, 2009, Glycerol: a promising and abundant carbon source for industrial microbiology, Biotechnol Adv, 27, 30, 10.1016/j.biotechadv.2008.07.006

Wang, 2001, Glycerol production by microbial fermentation: a review, Biotechnol Adv, 19, 201, 10.1016/S0734-9750(01)00060-X

Whittington T. Biodiesel production and use by farmers: is it worth considering? Western Australia: Department of Agriculture and Food; 2006.

Duncan J. Cost of biodiesel production. Energy Efficiency Conserv Auth 2003.

NBB. Biodiesel production and quality. Fuel fact sheets. USA: National Biodiesel Board; 2007.

Gerpen, 2005, Biodiesel processing and production, Fuel Process Technol, 86, 1097, 10.1016/j.fuproc.2004.11.005

Cooke, 2005, Purification of biodiesel with adsorbent materials

Gabelman, 1999, Hollow fiber membrane contactors, J Membr Sci, 159, 61, 10.1016/S0376-7388(99)00040-X

He, 2006, Comparison of membrane extraction with traditional extraction methods for biodiesel production, J Am Oil Chem Soc, 83, 457, 10.1007/s11746-006-1226-7

Predojevic, 2008, The production of biodiesel from waste frying oils: a comparison of different purification steps, Fuel, 87, 3522, 10.1016/j.fuel.2008.07.003

Karaosmanoglu, 1996, Investigation of the refining step of biodiesel production, Energy Fuels, 10, 890, 10.1021/ef9502214

Canakci, 2001, Biodiesel production from oils and fats with high free fatty acids, Trans Am Soc Agric Eng, 44, 1429, 10.13031/2013.7010

Berrios, 2008, Comparison of purification methods for biodiesel, Chem Eng J, 144, 459, 10.1016/j.cej.2008.07.019

EN. The EN 14214 standard-specifications and test methods; 2003.

ASTM. ASTM D6751-biodiesel blend stock specification (B100).

Mittelbach, 1996, Diesel fuel derived from vegetable oils, VI: specifications and quality control of biodiesel, Bioresour Technol, 56, 7, 10.1016/0960-8524(95)00172-7

Zheng, 2008, Biodiesel engine performance and emissions in low temperature combustion, Fuel, 87, 714, 10.1016/j.fuel.2007.05.039

Ali, 1995, Fuel properties of tallow and soybean oil esters, J Am Oil Chem Soc, 72, 1557, 10.1007/BF02577854

Leung, 2006, Degradation of biodiesel under different storage conditions, Bioresour Technol, 97, 250, 10.1016/j.biortech.2005.02.006

Lee, 1995, Use of branched-chain esters to reduce the crystallization temperature of biodiesel, J Am Oil Chem Soc, 72, 1155, 10.1007/BF02540982

Bondioli, 1995, Storage stability of biodiesel, J Am Oil Chem Soc, 72, 699, 10.1007/BF02635658

Mittelbach, 2001, Long storage stability of biodiesel made from rapeseed and used frying oil, J Am Oil Chem Soc, 78, 573, 10.1007/s11746-001-0306-z

Freedman, 1986, Transesterification kinetics of soybean oil, J Am Oil Chem Soc, 63, 1375, 10.1007/BF02679606

Sprules FJ, Price D. Production of fatty esters. United States: NOPCO CHEM CO; 1950. URL: http://www.freepatentsonline.com/2494366.html.

Zhang D. Crystallization characteristics and fuel properties of tallow methyl esters. Master thesis, Food Science And Technology. USA: University of Nebraska–Lincoln; 1994.

Freedman, 1984, Variables affecting the yields of fatty esters from transesterified vegetable oils, J Am Oil Chem Soc, 61, 1638, 10.1007/BF02541649

Alamu OJ, Waheed MA, Jekayinfa SO, Akintola TA. Optimal transesterification duration for biodiesel production from nigerian palm kernel oil. Agric Eng Int: CIGR Ejournal 2007; IX.

Eevera, 2009, Biodiesel production process optimization and characterization to assess the suitability of the product for varied environmental conditions, Renew Energy, 34, 762, 10.1016/j.renene.2008.04.006

Ma, 1998, The effects of catalyst, free fatty acids, and water on transesterification of beef tallow, Trans Am Soc Agric Eng, 41, 1261, 10.13031/2013.17292

Guo Y. Alkaline-catalyzed production of biodiesel fuel from virgin canola oil and recycled waste oils. PhD dissertation, Department of Mechanical Engineering, the University of Hong Kong, Hong Kong; 2005. p. 184.

Boocock, 1996, Fast one-phase oil-rich processes for the preparation of vegetable oil methyl esters, Biomass Bioenergy, 11, 43, 10.1016/0961-9534(95)00111-5

Demirbas, 2002, Biodiesel from vegetable oils via transesterification in supercritical methanol, Energy Convers Manage, 43, 2349, 10.1016/S0196-8904(01)00170-4

Saka, 2001, Biodiesel fuel from rapeseed oil as prepared in supercritical methanol, Fuel, 80, 225, 10.1016/S0016-2361(00)00083-1

Han, 2005, Preparation of biodiesel from soybean oil using supercritical methanol and CO2 as co-solvent, Process Biochem, 40, 3148, 10.1016/j.procbio.2005.03.014

Bunyakiat, 2006, Continuous production of biodiesel via transesterification from vegetable oils in supercritical methanol, Energy Fuels, 20, 812, 10.1021/ef050329b

Vera CR, D’Ippolito SA, Pieck CL, Parera JM. Production of biodiesel by a two-step supercritical reaction process with adsorption refining. In: 2nd Mercosur congress on chemical engineering, 4th Mercosur congress on process systems engineering; 2005.

Harrington, 1985, Transesterification in situ of sunflower seed oil, Ind Eng Chem Prod Res Dev, 24, 314, 10.1021/i300018a027

Haas, 2004, In situ alkaline transesterification: an effective method for the production of fatty acid esters from vegetable oils, J Am Oil Chem Soc, 81, 83, 10.1007/s11746-004-0861-3

Siler-Marinkovic, 1998, Transesterification of sunflower oil in situ, Fuel, 77, 1389, 10.1016/S0016-2361(98)00028-3

Haas, 2007, Moisture removal substantially improves the efficiency of in situ biodiesel production from soybeans, J Am Oil Chem Soc, 84, 197, 10.1007/s11746-006-1024-2

Qian, 2008, In situ alkaline transesterification of cottonseed oil for production of biodiesel and nontoxic cottonseed meal, Bioresour Technol, 99, 9009, 10.1016/j.biortech.2008.04.059

Mondala, 2009, Biodiesel production by in situ transesterification of municipal primary and secondary sludges, Bioresour Technol, 100, 1203, 10.1016/j.biortech.2008.08.020