References
- Gharat N, Rathod VK. Enzyme catalyzed transesterification of waste cooking oil with dimethyl carbonate. J Mol Catal B Enzym [Internet]. 2013 [ cited 2016 May 2];88:36–40. Available from: http://www.sciencedirect.com/science/article/pii/S1381117712003086
- Carlini M, Castellucci S, Cocchi S. A pilot-scale study of waste vegetable oil transesterification with alkaline and acidic catalysts. Energy Procedia [Internet]. Elsevier B.V.; 2014;45:198–206. Available from: https://doi.org/10.1016/j.egypro.2014.01.022
- Muciño GG, Romero R, Ramírez A, et al. Biodiesel production from used cooking oil and sea sand as heterogeneous catalyst. Fuel. 2014;138:143–148.
- Thirumarimurugan M, Sivakumar VM, Xavier AM, et al. Preparation of biodiesel from sunflower oil by transesterification. Int J Biosci Biochem Bioinforma [Internet]. 2012;2(6):441–444. Available from: http://www.ijbbb.org/show-34-399-1.html
- Banerjee N, Ramakrishnan R, Jash T. Biodiesel production from used vegetable oil collected from shops selling fritters in Kolkata. Energy Procedia [Internet]. Elsevier B.V.; 2014;54:161–165. Available from: https://doi.org/10.1016/j.egypro.2014.07.259
- Kawentar WA, Budiman A. Synthesis of biodiesel from second-used cooking oil. Energy Procedia [Internet]. Elsevier B.V.; 2013;32:190–199. Available from: https://doi.org/10.1016/j.egypro.2013.05.025
- Adaileh WM, Alqdah KS. Performance of diesel engine fuelled by a biodiesel extracted from a waste cocking oil. Energy Procedia [Internet]. 2012;18:1317–1334. Available from: https://doi.org/10.1016/j.egypro.2012.05.149
- Farooq M, Ramli A. Biodiesel production from low FFA waste cooking oil using heterogeneous catalyst derived from chicken bones. Renew Energ [Internet]. Elsevier Ltd; 2015;76:362–368. Available from: https://doi.org/10.1016/j.renene.2014.11.042
- Stacy CJ, Melick CA, Cairncross RA. Esterification of free fatty acids to fatty acid alkyl esters in a bubble column reactor for use as biodiesel. Fuel Process Technol [Internet]. Elsevier B.V.; 2014;124:70–77. Available from: https://doi.org/10.1016/j.fuproc.2014.02.003
- Ali MH, Mashud M, Rubel MR, et al. Biodiesel from Neem oil as an alternative fuel for diesel engine. Procedia Eng [Internet]. Elsevier B.V.; 2013;56:625–630. Available from: https://doi.org/10.1016/j.proeng.2013.03.169
- Meng X, Chen G, Wang Y. Biodiesel production from waste cooking oil via alkali catalyst and its engine test. Fuel Process Technol. 2008;89(9):851–857.
- Li M, Zheng Y, Chen Y, et al. Biodiesel production from waste cooking oil using a heterogeneous catalyst from pyrolyzed rice husk. Bioresour Technol [Internet]. Elsevier Ltd; 2014;154:345–348. Available from: https://doi.org/10.1016/j.biortech.2013.12.070
- Sunthitikawinsakul A, Sangatith N. Study on the quantitative fatty acids correlation of fried vegetable oil for biodiesel with heating value. Procedia Eng [Internet]. Elsevier B.V.; 2012;32:219–224. Available from: https://doi.org/10.1016/j.proeng.2012.01.1260
- Cao L, Wang J, Liu C, et al. Ethylene vinyl acetate copolymer: a bio- based cold flow improver for waste cooking oil derived biodiesel blends. Appl Energ [Internet]. Elsevier Ltd; 2014;132:163–167. Available from: https://doi.org/10.1016/j.apenergy.2014.06.085
- Kagawa S, Takezono K, Suh S, et al. Production possibility frontier analysis of biodiesel from waste cooking oil. Energy Policy [Internet]. Elsevier; 2013;55:362–368. Available from: https://doi.org/10.1016/j.enpol.2012.12.016
- Mengyu GAN, Deng PAN, Li MA, et al. The kinetics of the esterification of free fatty acids in waste cooking oil using Fe2(SO4)3/C catalyst. Chinese J Chem Eng [Internet]. Chemical Industry and Engineering Society of China (CIESC) and Chemical Industry Press (CIP); 2009;17(1):83–87. Available from: https://doi.org/10.1016/S1004-9541(09)60037-9
- El Sherbiny SA, Refaat AA, El Sheltawy ST. Production of biodiesel using the microwave technique. J Adv Res [Internet]. Cairo University; 2010;1(4):309–314. Available from: https://doi.org/10.1016/j.jare.2010.07.003
- Do Nascimento LAS, Angelica RS, Da Costa CEF, et al. Conversion of waste produced by the deodorization of palm oil as feedstock for the production of biodiesel using a catalyst prepared from waste material. Bioresour Technol. 2011;102(17):8314–8317.
- Thanh LT, Okitsu K, Sadanaga Y, et al. A two-step continuous ultrasound assisted production of biodiesel fuel from waste cooking oils: a practical and economical approach to produce high quality biodiesel fuel. Bioresour Technol [Internet]. Elsevier Ltd; 2010;101(14):5394–5401. Available from: https://doi.org/10.1016/j.biortech.2010.02.060
- Luu PD, Takenaka N, Van Luu B, et al. Co-solvent method produce biodiesel form waste cooking oil with small pilot plant. Energy Procedia [Internet]. Elsevier B.V.; 2014;61:2822–2832. Available from: https://doi.org/10.1016/j.egypro.2014.12.303
- Baroutian S, Aroua MK, Raman AAA, et al. Blended aviation biofuel from esterified Jatropha curcas and waste vegetable oils. J Taiwan Inst Chem Eng [Internet]. Taiwan Institute of Chemical Engineers; 2013;44(6):911–916. Available from: https://doi.org/10.1016/j.jtice.2013.02.007
- Patle DS, Sharma S, Ahmad Z, et al. Multi-objective optimization of two alkali catalyzed processes for biodiesel from waste cooking oil. Energy Convers Manag [Internet]. Elsevier Ltd; 2014;85:361–372. Available from: https://doi.org/10.1016/j.enconman.2014.05.034
- Shirneshan A. HC, CO, CO2 and NOx emission evaluation of a diesel engine fueled with waste frying oil methyl ester. Procedia - Soc Behav Sci [Internet]. Elsevier B.V.; 2013;75(x):292–297. Available from: http://www.sciencedirect.com/science/article/pii/S1877042813005697
- Singhabhandhu A, Tezuka T. A perspective on incorporation of glycerin purification process in biodiesel plants using waste cooking oil as feedstock. Energy [Internet]. Elsevier; 2010;35(6):2493–2504. Available from: https://doi.org/10.1016/j.energy.2010.02.047
- Patil P, Deng S, Isaac Rhodes J, et al. Conversion of waste cooking oil to biodiesel using ferric sulfate and supercritical methanol processes. Fuel [Internet]. Elsevier Ltd; 2010;89(2):360–364. Available from: https://doi.org/10.1016/j.fuel.2009.05.024
- Guzatto R, De Martini TL, Samios D. The use of a modified TDSP for biodiesel production from soybean, linseed and waste cooking oil. Fuel Process Technol [Internet]. Elsevier B.V.; 2011;92(10):2082–2088. Available from: https://doi.org/10.1016/j.fuproc.2011.06.013
- Jacobson K, Gopinath R, Meher LC, et al. Solid acid catalyzed biodiesel production from waste cooking oil. Appl Catal B Environ. 2008;85(1–2):86–91.
- Demirbas A. Biodiesel from waste cooking oil via base-catalytic and supercritical methanol transesterification. Energy Convers Manag [Internet]. Elsevier Ltd; 2009;50(4):923–927. Available from: https://doi.org/10.1016/j.enconman.2008.12.023
- Farooq M, Ramli A, Subbarao D. Biodiesel production from waste cooking oil using bifunctional heterogeneous solid catalysts. J Clean Prod [Internet]. Elsevier Ltd; 2013;59:131–140. Available from: https://doi.org/10.1016/j.jclepro.2013.06.015
- Alves CT, de Oliveira AS, Carneiro SAV, et al. Transesterification of waste frying oils using ZnAl2O4 as heterogeneous catalyst. Procedia Eng [Internet]. 2012;42(August):1928–1945. Available from: http://www.sciencedirect.com/science/article/pii/S1877705812029967
- Ullah Z, Bustam MA, Man Z. Biodiesel production from waste cooking oil by acidic ionic liquid as a catalyst. Renew Energ [Internet]. Elsevier Ltd; 2015;77:521–526. Available from: https://doi.org/10.1016/j.renene.2014.12.040
- Valente OS, Pasa VMD, Belchior CRP, et al. Physical-chemical properties of waste cooking oil biodiesel and castor oil biodiesel blends. Fuel [Internet]. Elsevier Ltd; 2011;90(4):1700–1702. Available from: https://doi.org/10.1016/j.fuel.2010.10.045
- Abd Rabu R, Janajreh I, Honnery D. Transesterification of waste cooking oil: process optimization and conversion rate evaluation. Energy Convers Manag [Internet]. Elsevier Ltd; 2013;65:764–769. Available from: https://doi.org/10.1016/j.enconman.2012.02.031
- Javidialesaadi A, Raeissi S. Biodiesel production from high free fatty acid-content oils: experimental investigation of the pretreatment step. APCBEE Procedia [Internet]. Elsevier B.V.; 2013;5:474–478. Available from: http://www.sciencedirect.com/science/article/pii/S221267081300081X
- Nantha Gopal K, Pal A, Sharma S, et al. Investigation of emissions and combustion characteristics of a CI engine fueled with waste cooking oil methyl ester and diesel blends. Alexandria Eng J [Internet]. Faculty of Engineering, Alexandria University; 2014;53(2):281–287. Available from: https://doi.org/10.1016/j.aej.2014.02.003
- Zhang H, Ding J, Zhao Z. Microwave assisted esterification of acidified oil from waste cooking oil by CERP/PES catalytic membrane for biodiesel production. Bioresour Technol [Internet]. Elsevier Ltd; 2012;123:72–77. Available from: https://doi.org/10.1016/j.biortech.2012.06.082
- Bautista LF, Vicente G, Rodriguez R, et al. Optimisation of FAME production from waste cooking oil for biodiesel use. Biomass Bioenerg. 2009;33(5):862–872.
- Kumaran P, Mazlini N, Hussein I, et al. Technical feasibility studies for Langkawi WCO (waste cooking oil) derived-biodiesel. Energy [Internet]. Elsevier Ltd; 2011;36(3):1386–1393. Available from: https://doi.org/10.1016/j.energy.2011.02.002
- Ferrero GO, Almeida MF, Alvim-Ferraz MCM, et al. Glycerol-enriched heterogeneous catalyst for biodiesel production from soybean oil and waste frying oil. Energy Convers Manag [Internet]. Elsevier Ltd; 2015;89:665–671. Available from: https://doi.org/10.1016/j.enconman.2014.10.032
- Ramalho EFSM, Carvalho Filho JR, Albuquerque AR, et al. Low temperature behavior of poultry fat biodiesel:diesel blends. Fuel [Internet]. Elsevier Ltd; 2012;93:601–605. Available from: https://doi.org/10.1016/j.fuel.2011.10.051
- Savaliya ML, Dholakiya BZ. Silica supported microporous melamine tri sulfonic acid catalyst towards biodiesel fuel production from waste cooking oil and utilization of side stream. Appl Catal A Gen [Internet]. Elsevier B.V.; 2015;494:12–21. Available from: https://doi.org/10.1016/j.apcata.2015.01.015
- El-Gendy NS, Deriase SF, Hamdy A, et al. Statistical optimization of biodiesel production from sunflower waste cooking oil using basic heterogeneous biocatalyst prepared from eggshells. Egypt J Pet [Internet]. Egyptian Petroleum Research Institute; 2015;24(1):37–48. Available from: http://linkinghub.elsevier.com/retrieve/pii/S1110062115000069
- Amani H, Ahmad Z, Hameed BH. Highly active alumina-supported Cs–Zr mixed oxide catalysts for low-temperature transesterification of waste cooking oil. Appl Catal A Gen [Internet]. Elsevier B.V.; 2014;487:16–25. Available from: http://www.sciencedirect.com/science/article/pii/S0926860X14005341
- Niju S, Meera Sheriffa Begum KM, Anantharaman N. Enhancement of biodiesel synthesis over highly active CaO derived from natural white bivalve clam shell. Arab J Chem [Internet]. King Saud University; 2014; Available from: https://doi.org/10.1016/j.arabjc.2014.06.006
- Niju S, Meera KM, Begum S, et al. Modification of egg shell and its application in biodiesel production. J Saudi Chem Soc [Internet]. King Saud University; 2014;18(5):702–706. Available from: https://doi.org/10.1016/j.jscs.2014.02.010
- Cunha A, Feddern V, De Pra MC, et al. Synthesis and characterization of ethylic biodiesel from animal fat wastes. Fuel [Internet]. Elsevier Ltd; 2013;105:228–234. Available from: https://doi.org/10.1016/j.fuel.2012.06.020
- Tanawannapong Y, Kaewchada A, Jaree A. Biodiesel production from waste cooking oil in a microtube reactor. J Ind Eng Chem [Internet]. The Korean Society of Industrial and Engineering Chemistry; 2013;19(1):37–41. Available from: https://doi.org/10.1016/j.jiec.2012.07.007
- Cao L, Wang J, Liu K, et al. Ethyl acetoacetate: a potential bio-based diluent for improving the cold flow properties of biodiesel from waste cooking oil. Appl Energ [Internet]. Elsevier Ltd; 2014;114:18–21. Available from: https://doi.org/10.1016/j.apenergy.2013.09.050
- Noshadi I, Amin NAS, Parnas RS. Continuous production of biodiesel from waste cooking oil in a reactive distillation column catalyzed by solid heteropolyacid: optimization using response surface methodology (RSM). Fuel [Internet]. Elsevier Ltd; 2012;94:156–164. Available from: https://doi.org/10.1016/j.fuel.2011.10.018
- Shahid EM, Jamal Y. Production of biodiesel: a technical review. Renew Sust Energ Rev [Internet]. 2011 [cited 2016 Apr 8];15(9):4732–4745. Available from: http://www.sciencedirect.com/science/article/pii/S1364032111003248
- Jain S, Sharma MP, Rajvanshi S. Acid base catalyzed transesterification kinetics of waste cooking oil. Fuel Process Technol [Internet]. Elsevier B.V.; 2011;92(1):32–38. Available from: https://doi.org/10.1016/j.fuproc.2010.08.017
- Chen Y, Xiao B, Chang J, et al. Synthesis of biodiesel from waste cooking oil using immobilized lipase in fixed bed reactor. Energy Convers Manag [Internet]. Elsevier Ltd; 2009;50(3):668–673. Available from: https://doi.org/10.1016/j.enconman.2008.10.011
- Yi Q, Zhang J, Zhang X, et al. Synthesis of SO42-/Zr-SBA-15 catalyst for the transesterification of waste cooking oil as a bio-flotation agent in coal flotation. Fuel [Internet]. Elsevier Ltd; 2015;143:390–398. Available from: https://doi.org/10.1016/j.fuel.2014.11.065
- Phan AN, Phan TM. Biodiesel production from waste cooking oils. Fuel. 2008;87(17–18):3490–3496.
- Mohammadshirazi A, Akram A, Rafiee S, et al. Energy and cost analyses of biodiesel production from waste cooking oil. Renew Sust Energ Rev. 2014;33:44–49.
- Haigh KF, Vladisavljevic GT, Reynolds JC, et al. Kinetics of the pre- treatment of used cooking oil using Novozyme 435 for biodiesel production. Chem Eng Res Des. 2014;92(4):713–719.
- Veras IC, Silva FAL, Ferrao-Gonzales AD, et al. One-step enzymatic production of fatty acid ethyl ester from high-acidity waste feedstocks in solvent-free media. Bioresour Technol. 2011;102(20):9653–9658.
- Balakrishnan K, Olutoye MA, Hameed BH. Synthesis of methyl esters from waste cooking oil using construction waste material as solid base catalyst. Bioresour Technol [Internet]. Elsevier Ltd; 2013;128:788–791. Available from: https://doi.org/10.1016/j.biortech.2012.10.023
- Wen Z, Yu X, Tu S-T, et al. Biodiesel production from waste cooking oil catalyzed by TiO2-MgO mixed oxides. Bioresour Technol [Internet]. Elsevier Ltd; 2010;101(24):9570–9576. Available from: https://doi.org/10.1016/j.biortech.2010.07.066
- Halim SFA, Kamaruddin AH, Fernando WJN. Continuous biosynthesis of biodiesel from waste cooking palm oil in a packed bed reactor: optimization using response surface methodology (RSM) and mass transfer studies. Bioresour Technol [Internet]. Elsevier Ltd; 2009;100(2):710–716. Available from: https://doi.org/10.1016/j.biortech.2008.07.031
- Tan KT, Lee KT, Mohamed AR. Potential of waste palm cooking oil for catalyst-free biodiesel production. Energy [Internet]. Elsevier Ltd; 2011;36(4):2085–2088. Available from: https://doi.org/10.1016/j.energy.2010.05.003
- Simasatitkul L, Gani R, Arpornwichanop A. Optimal design of biodiesel production process from waste cooking palm oil. Procedia Eng. 2012;42(August):1411–1420.
- Wan Omar WNN, Amin NAS. Biodiesel production from waste cooking oil over alkaline modified zirconia catalyst. Fuel Process Technol [Internet]. Elsevier B.V.; 2011;92(12):2397–2405. Available from: https://doi.org/10.1016/j.fuproc.2011.08.009
- Gan S, Ng HK, Ooi CW, et al. Ferric sulphate catalysed esterification of free fatty acids in waste cooking oil. Bioresour Technol [Internet]. Elsevier Ltd; 2010;101(19):7338–7343. Available from: https://doi.org/10.1016/j.biortech.2010.04.028
- Mahesh SE, Ramanathan A, Begum KMMS, et al. Biodiesel production from waste cooking oil using KBr impregnated CaO as catalyst. Energy Convers Manag [Internet]. Elsevier Ltd; 2015;91:442–450. Available from: https://doi.org/10.1016/j.enconman.2014.12.031
- Hamze H, Akia M, Yazdani F. Optimization of biodiesel production from the waste cooking oil using response surface methodology. Process Saf Environ Prot [Internet]. Institution of Chemical Engineers; 2015;94(C):1–10. Available from: https://doi.org/10.1016/j.psep.2014.12.005
- Berrios M, Martin MA, Chica AF, et al. Purification of biodiesel from used cooking oils. Appl Energ [Internet]. Elsevier Ltd; 2011;88(11):3625–3631. Available from: https://doi.org/10.1016/j.apenergy.2011.04.060
- Zou C, Zhao P, Shi L, et al. Biodiesel fuel production from waste cooking oil by the inclusion complex of heteropoly acid with bridged bis-cyclodextrin. Bioresour Technol [Internet]. Elsevier Ltd; 2013;146:785–788. Available from: https://doi.org/10.1016/j.biortech.2013.07.149
- Atadashi IM, Aroua MK, Abdul Aziz AR, et al. Removal of residual palm oil-based biodiesel catalyst using membrane ultra-filtration technique: an optimization study. Alexandria Eng J [Internet]. Faculty of Engineering, Alexandria University; 2014;53(3):705–715. Available from: https://doi.org/10.1016/j.aej.2014.07.002
- Özbay N, Oktar N, Tapan NA. Esterification of free fatty acids in waste cooking oils (WCO): role of ion-exchange resins. Fuel. 2008;87(10–11):1789–1798.
- Boz N, Degirmenbasi N, Kalyon DM. Esterification and transesterification of waste cooking oil over Amberlyst 15 and modified Amberlyst 15 catalysts. Appl Catal B Environ [Internet]. Elsevier B.V.; 2015;165:723–730. Available from: https://doi.org/10.1016/j.apcatb.2014.10.079
- Istadi I, Prasetyo SA, Nugroho TS. Characterization of K2O/CaO-ZnO Catalyst for Transesterification of Soybean Oil to Biodiesel. Procedia Environ Sci [Internet]. Elsevier B.V.; 2015;23(Ictcred 2014):394–399. Available from: http://www.sciencedirect.com/science/article/pii/S1878029615000572
- Wang L, Dong X, Jiang H, et al. Preparation of a novel carbon-based solid acid from cassava stillage residue and its use for the esterification of free fatty acids in waste cooking oil. Bioresour Technol [Internet]. Elsevier Ltd; 2014;158:392–395. Available from: https://doi.org/10.1016/j.biortech.2014.02.132
- Lam MK, Lee KT. Mixed methanol-ethanol technology to produce greener biodiesel from waste cooking oil: a breakthrough for SO42-/SnO 2-SiO2 catalyst. Fuel Process Technol [Internet]. Elsevier B.V.; 2011;92(8):1639–1645. Available from: https://doi.org/10.1016/j.fuproc.2011.04.012
- Srilatha K, Prabhavathi Devi BLA, Lingaiah N, et al. Biodiesel production from used cooking oil by two-step heterogeneous catalyzed process. Bioresour Technol [Internet]. Elsevier Ltd; 2012;119:306–311. Available from: https://doi.org/10.1016/j.biortech.2012.04.098
- Lam MK, Lee KT, Mohamed AR. Sulfated tin oxide as solid superacid catalyst for transesterification of waste cooking oil: an optimization study. Appl Catal B Environ. 2009;93(1–2):134–139.
- Sankaranarayanan S, Antonyraj CA, Kannan S. Transesterification of edible, non-edible and used cooking oils for biodiesel production using calcined layered double hydroxides as reusable base catalysts. Bioresour Technol [Internet]. Elsevier Ltd; 2012;109:57–62. Available from: https://doi.org/10.1016/j.biortech.2012.01.022
- Lin YC, Yang PM, Chen SC, et al. Improving biodiesel yields from waste cooking oil using ionic liquids as catalysts with a microwave heating system. Fuel Process Technol [Internet]. Elsevier B.V.; 2013;115:57–62. Available from: https://doi.org/10.1016/j.fuproc.2013.04.004
- Ho K-C, Chen C-L, Hsiao P-X, et al. Biodiesel production from waste cooking oil by two-step catalytic conversion. Energy Procedia [Internet]. Elsevier B.V.; 2014;61:1302–1305. Available from: http://linkinghub.elsevier.com/retrieve/pii/S1876610214029166
- Hameed BH, Goh CS, Chin LH. Process optimization for methyl ester production from waste cooking oil using activated carbon supported potassium fluoride. Fuel Process Technol [Internet]. Elsevier B.V.; 2009;90(12):1532–1537. Available from: https://doi.org/10.1016/j.fuproc.2009.07.018
- Putra RS, Hartono P, Julianto TS. Conversion of methyl ester from used cooking oil: the combined use of electrolysis process and chitosan. Energy Procedia [Internet]. Elsevier B.V.; 2015;65:309–316. Available from: https://doi.org/10.1016/j.egypro.2015.01.057
- Sirisomboonchai S, Abuduwayiti M, Guan G, et al. Biodiesel production from waste cooking oil using calcined scallop shell as catalyst. Energy Convers Manag [Internet]. Elsevier Ltd; 2015;95:242–247. Available from: https://doi.org/10.1016/j.enconman.2015.02.044
- Guan G, Kusakabe K, Yamasaki S. Tri-potassium phosphate as a solid catalyst for biodiesel production from waste cooking oil. Fuel Process Technol [Internet]. Elsevier B.V.; 2009;90(4):520–524. Available from: https://doi.org/10.1016/j.fuproc.2009.01.008
- Hindryawati N, Maniam GP, Karim MR, et al. Transesterification of used cooking oil over alkali metal (Li, Na, K) supported rice husk silica as potential solid base catalyst. Eng Sci Technol An Int J [Internet]. Elsevier Ltd; 2014;17(2):95–103. Available from: http://www.sciencedirect.com/science/article/pii/S221509861400024X
- Olutoye MA, Hameed BH. A highly active clay-based catalyst for the synthesis of fatty acid methyl ester from waste cooking palm oil. Appl Catal A Gen [Internet]. Elsevier B.V.; 2013;450:57–62. Available from: https://doi.org/10.1016/j.apcata.2012.09.049
- Gude VG, Grant GE. Biodiesel from waste cooking oils via direct sonication. Appl Energ [Internet]. Elsevier Ltd; 2013;109:135–144. Available from: https://doi.org/10.1016/j.apenergy.2013.04.002
- Alhassan FH, Rashid U, Taufiq-Yap YH. Synthesis of waste cooking oil-based biodiesel via effectual recyclable bi-functional Fe2O3MnOSO42-/ZrO2 nanoparticle solid catalyst. Fuel [Internet]. Elsevier Ltd; 2015;142:38–45. Available from: https://doi.org/10.1016/j.fuel.2014.10.038
- Ghaly AE, Dave D, Brooks MS, et al. Production of biodiesel by enzymatic transesterification: review. Am J Biochem Biotechnol. 2010;6(2):54–76.
- Lisboa P, Rodrigues AR, Martín JL, et al. Economic analysis of a plant for biodiesel production from waste cooking oil via enzymatic transesterification using supercritical carbon dioxide. J Supercrit Fluids [Internet]. Elsevier B.V.; 2014;85:31–40. Available from: http://www.sciencedirect.com/science/article/pii/S0896844613003628
- De Los Ríos AP, Hernández Fernández FJ, Gómez D, et al. Biocatalytic transesterification of sunflower and waste cooking oils in ionic liquid media. Process Biochem [Internet]. Elsevier Ltd; 2011;46(7):1475–1480. Available from: https://doi.org/10.1016/j.procbio.2011.03.021
- Azocar L, Navia R, Beroiz L, et al. Enzymatic biodiesel production kinetics using co-solvent and an anhydrous medium: a strategy to improve lipase performance in a semi-continuous reactor. N Biotechnol. 2014;31(5):422–429.
- Ullah Z, Bustam MA, Man Z. Biodiesel production from waste cooking oil by acidic ionic liquid as a catalyst. Renew Energ [Internet]. Elsevier Ltd; 2015;77:521–526. Available from: http://linkinghub.elsevier.com/retrieve/pii/S0960148114008672
- Chen KS, Lin YC, Hsu KH, et al. Improving biodiesel yields from waste cooking oil by using sodium methoxide and a microwave heating system. Energy [Internet]. Elsevier Ltd; 2012;38(1):151–156. Available from: https://doi.org/10.1016/j.energy.2011.12.020
- Amani H, Ahmad Z, Asif M, et al. Transesterification of waste cooking palm oil by MnZr with supported alumina as a potential heterogeneous catalyst. J Ind Eng Chem [Internet]. The Korean Society of Industrial and Engineering Chemistry; 2014;20(6):4437–4442. Available from: https://doi.org/10.1016/j.jiec.2014.02.012
- Fadhil AB, Dheyab MM, Abdul-Qader AQY. Purification of biodiesel using activated carbons produced from spent tea waste. J Assoc Arab Univ Basic Appl Sci [Internet]. University of Bahrain; 2012;11(1):45–49. Available from: https://doi.org/10.1016/j.jaubas.2011.12.001
- Wan Omar WNN, Saidina Amin NA. Optimization of heterogeneous biodiesel production from waste cooking palm oil via response surface methodology. Biomass Bioenerg [Internet]. Elsevier Ltd; 2011;35(3):1329–1338. Available from: https://doi.org/10.1016/j.biombioe.2010.12.049
- De Boni LAB, Lima Da Silva IN. Monitoring the transesterification reaction with laser spectroscopy. Fuel Process Technol [Internet]. Elsevier B.V.; 2011;92(5):1001–1006. Available from: https://doi.org/10.1016/j.fuproc.2010.12.022
- Liaquat AM, Masjuki HH, Kalam MA, et al. Application of blend fuels in a diesel engine. Energy Procedia [Internet]. 2012;14:1124–1133. Available from: https://doi.org/10.1016/j.egypro.2011.12.10