biodiesel production using liquid liquid film reactors
TRANSCRIPT
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REVISION POR LA DIRECCION 2014
Biodiesel production using liquid –liquid film reactors
Paulo César Narváez Rincón
Full ProfessorChemical and Environmental Engineering Department
July 2018
Chemical and Environmental Engineering Department Bogota Campus
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Is it possible to produde biodiesel using liquid – liquidfilm reactors?
If it is possible, is the productivity higher than theobtained in typical industrial process, where CSTR areused implementing three or more reaction-separationstages?
Chemical and Environmental Engineering Department Bogota Campus
Research questions
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Outline
- Universidad Nacional de Colombia
- Biodiesel production in Colombia
- Falling Film Contactors
- Co-current operation
- Counter-current operation
- Co-current integrated with hollow fiber membrane (HFM)
- Conclusion
Chemical and Environmental Engineering Department Bogota Campus
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Universidad Nacional de Colombia
Chemical and Environmental Engineering Department Bogota Campus
8 Campus
52,550 Students
94 Undergraduateprograms
361 Graduate programs
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School of Engineering
Chemical and Environmental Engineering Department Bogota Campus
Civil and Agriculture
Chemical and Environmental
Mechanical and Mechatronics
Systems and Industrial
263 Professors
6269Undergraduate students
651 Graduate students
Electric and Electronics
Systems and Industrial
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Palm oil production in Colombia
Chemical and Environmental Engineering Department Bogota Campus
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Figure 1. Oil palm harvested area in production (▫) and palm oilproduction (▪)Data from http://www.fedebiocombustibles.com/nota-web-id-488.htm, retrieved July2018
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Biodiesel production
Chemical and Environmental Engineering Department Bogota Campus
Figure 2. Biodiesel production (▪) World (▪) United States (▪)European Union (▪) ColombiaData from http://www.eia.gov/cfapps/ipdbproject, retrieved July 2017
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Biodiesel production in Colombia
Chemical and Environmental Engineering Department Bogota Campus
Figure 3. Biodiesel production in Colombia (0.5 Mt/year)Data from http://www.fedebiocombustibles.com/nota-web-id-488.htm, retrieved July 2018
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Why did we propose the use LLFC in biodiesel production?
Chemical and Environmental Engineering Department Bogota Campus
- To promote the contact of two phases (ester and alcohol– rich) without dispersing one phase into the other.
- To reduce separation time required in separators(decanters) downstream the reactor.
- To increase conversion and yield by simultaneousextraction of glycerol produced duringtransesterification reaction.
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Why use LLFC in biodiesel production?
Chemical and Environmental Engineering Department Bogota Campus
- Because biodiesel production is mainly aheterogeneous reaction requiring dispersion of alcoholrich phase into ester rich-phase
- Because smaller the droplet size higher the residencetime in decanters and higher energy consumption
- Because chemical equilibria limit biodiesel yield. Thusseveral reaction stages are required to accomplishglycerol free and bonded specification 10
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Technologies assessed
Chemical and Environmental Engineering Department Bogota Campus
LLFR operated in co-current
• 2003-2006
LLFR operated in counter-current
• 2007-2011
LLFR operated in co-current using
a PES HFM• 2012-2016
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General methodology
Chemical and Environmental Engineering Department Bogota Campus
Modeling, design and construction of
the experimental setup
Experimental assessing of the
setup
Adjust ingmodelparameters according to
experimental results
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The catalyst: sodium methoxide
The alcohol: methanol
Chemical and Environmental Engineering Department Bogota Campus
What is going to be kept constant?
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Biodiesel production in LLFR operated in co-current
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, J.G. Cadavid, A.C. Habert, Modeling of biodiesel production in Liquid-Liquid Film Reactors including mass transfer effects, Fuel Processing Technology, 167, 2017, 524-534. Copyright 2017, with permission from Elsevier 14
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Biodiesel production in LLFR operated in co-current
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, J.G. Cadavid, A.C. Habert, Modeling of biodiesel production in Liquid-Liquid Film Reactors including mass transfer effects, Fuel Processing Technology, 167, 2017, 524-534, Copyright 2017, with permission from Elsevier 15
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Biodiesel production in LLFR operated in co-current
Chemical and Environmental Engineering Department Bogota Campus
Narváez PC, Sánchez FJ, Godoy-Silva RD. 2009. Continuous methanolysis of palm oil using a liquid-liquid film reactor, Journal of American Oil Chemists’ Society, 86: 343-352.
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Biodiesel production in LLFR operated in co-current
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, J.G. Cadavid, A.C. Habert, Modeling of biodiesel production in Liquid-Liquid Film Reactors including mass transfer effects, Fuel Processing Technology, 167, 2017, 524-534, Copyright 2017, with permission from Elsevier. 17
30% packing fraction 60% packing
fraction
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Biodiesel production in LLFR operated in co-current increasing packing fraction
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, J.G. Cadavid, A.C. Habert, Modeling of biodiesel production in Liquid-Liquid Film Reactors including mass transfer effects, Fuel Processing Technology, 167, 2017, 524-534, Copyright 2017, with permission from Elsevier. 18
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Biodiesel production in LLFR operated in counter-current
Chemical and Environmental Engineering Department Bogota Campus
Cadavid JG, Godoy-Silva RD, Narváez PC, Camargo M, Fonteix C.2013. Biodiesel production in a counter-current reactive extraction column: Modelling, parametric identification and optimization, Chemical Engineering Journal, 228: 717-723, Copyright 2013, with permission from Elsevier
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Biodiesel production in LLFR operated in counter-current
Chemical and Environmental Engineering Department Bogota Campus
20Cadavid JG, Godoy-Silva RD, Narváez PC, Camargo M, Fonteix C.2013. Biodiesel production in a counter-current reactive extraction column: Modelling, parametric identification and optimization, Chemical Engineering Journal, 228: 717-723, Copyright 2013, with permission from Elsevier
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Biodiesel production in LLFR operated in counter-current
Chemical and Environmental Engineering Department Bogota Campus
21Cadavid JG, Godoy-Silva RD, Narváez PC, Camargo M, Fonteix C.2013. Biodiesel production in a counter-current reactive extraction column: Modelling, parametric identification and optimization, Chemical Engineering Journal, 228: 717-723, Copyright 2013, with permission from Elsevier
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Biodiesel production in LLFR operated in counter-current
Chemical and Environmental Engineering Department Bogota Campus
22Cadavid JG, Godoy-Silva RD, Narváez PC, Camargo M, Fonteix C.2013. Biodiesel production in a counter-current reactive extraction column: Modelling, parametric identification and optimization, Chemical Engineering Journal, 228: 717-723, Copyright 2013, with permission from Elsevier
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Biodiesel production in LLFR operated in co-current and hollow fiber membranes
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, A.C. Habert, Simulation and validation of biodiesel production in Liquid-Liquid Film Reactors integrated with PES hollow fibers membranes, Fuel, 227, 2018, 367-378, Copyright 2018, with permission from Elsevier
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Biodiesel production in LLFR operated in co-current and hollow fiber membranes
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, A.C. Habert, Simulation and validation of biodiesel production in Liquid-Liquid Film Reactors integrated with PES hollow fibers membranes, Fuel, 227, 2018, 367-378. Copyright 2018, with permission from Elsevier
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Biodiesel production in LLFR operated in co-current and hollow fiber membranes
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, A.C. Habert, Simulation and validation of biodiesel production in Liquid-Liquid Film Reactors integrated with PES hollow fibers membranes, Fuel, 227, 2018, 367-378. Copyright 2018, with permission from Elsevier. 25
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Biodiesel production in LLFR operated in co-current and hollow fiber membranes
Chemical and Environmental Engineering Department Bogota Campus
M.A. Noriega, P.C. Narváez, A.C. Habert, Simulation and validation of biodiesel production in Liquid-Liquid Film Reactors integrated with PES hollow fibers membranes, Fuel, 227, 2018, 367-378, Copyright 2018, with permission from Elsevier.
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Biodiesel production in LLFR operated in co-current and hollow fiber membranes
Chemical and Environmental Engineering Department Bogota Campus
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Conclusion
It is possible to produce biodiesel accomplishingspecifications defined in product standards using LLFRoperated in two different configurations: counter-currentand co-current using HFM implementing only one reactionstep, reducing separation time and, as a consequence,increasing process productivity. In co-current two reactionsteps are required.
The highest productivity was obtained for the LLFRoperated in co-current (with and without membranes).
Chemical and Environmental Engineering Department Bogota Campus
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