200 likes | 366 Views
102 nd AOCS Annual Meeting May 1-4, 2011 Cincinnati, OH. Use of Nano Reactors in Edible Oil Processing. Wim De Greyt 1 , Marc Kellens 1 ,Tim Kemper 2 and Jim Willits 2 1 Desmet Ballestra Group, Zaventem, Belgium; 2 Desmet Ballestra North America, Marrietta, GA. Refiner’s Challenge.
E N D
102nd AOCS Annual Meeting May 1-4, 2011 Cincinnati, OH Use of Nano Reactors in Edible Oil Processing Wim De Greyt1, Marc Kellens1,Tim Kemper2 and Jim Willits2 1Desmet Ballestra Group, Zaventem, Belgium; 2Desmet Ballestra North America, Marrietta, GA www.desmetballestra.com
Refiner’s Challenge EFFICIENCY REFINING CONDITIONS REFINING TECHNOLOGY QUALITY SUSTAINABILITY www.desmetballestra.com
Oil Refining Processes OILSEEDS Mechanical Pressing Oil Extraction Deoiled Meal Solvent extraction Crude Oil Gums LECITHIN Water degumming Chemical Physical WDG Oil Acid degumming Alkali Neutralisation Soapstock Acid Gums Bleaching Spent bleaching earth Bleaching Physical deacidification Deodorization Deodorizer Distillate Deodorization Refined Oil www.desmetballestra.com
Oil Refining Processes OILSEEDS Mechanical Pressing Oil Extraction Deoiled Meal Solvent extraction Crude Oil Gums LECITHIN Water degumming Chemical Physical WDG Oil Acid degumming Alkali Neutralisation Soapstock Acid Gums Bleaching Spent bleaching earth Bleaching Physical deacidification Deodorization Deodorizer Distillate Deodorization Refined Oil www.desmetballestra.com
Oil Refining Processes OILSEEDS Mechanical Pressing Oil Extraction Deoiled Meal Solvent extraction Crude Oil Developments in Wet oil pretreatment Gums LECITHIN Water degumming WDG Oil Acid degumming Alkali Neutralisation Soapstock Acid Gums Bleaching Spent bleaching earth Bleaching Physical deacidification Deodorization Deodorizer Distillate Deodorization Refined Oil www.desmetballestra.com
Developments in degumming Enzymatic Degumming * PL-C on high PL-containing crude oils (RSO, SBO) * PL-A on crude/WDG oils Main driver Higher Oil Yield soya rape www.desmetballestra.com
Alkali Neutralisation - Degumming MORE EFFICIENT GUMS/FFA REMOVAL Using less chemicals Trend towards more intensive mixing Static Dynamic High Shear Ultra High Shear (single stage) (multi-stage) Silverson IKA More intensive mixing requiring higher energy input How to improve efficiency further ? www.desmetballestra.com
Nano Reactors Nano Reactors Generation, growth and collapse of bubbles Release of large magnitudes of energy over small location (high energy density) Locally very high temp/pressure with overall ambient conditions ‘Chemical’ Effects *Fragmenting of molecules *Formation of radicals ‘Mechanical’ Effects *High turbulence *High shear forces *Fine emulsions www.desmetballestra.com
Nano reactors • POSSIBLE APPLICATIONS OF NANO REACTORS • Process intensification (faster-higher yield-more selective) • Cell disruption (biotechnology) • Microbial disinfection/destruction contaminants • Many other specific applications Can Nano Reactors be applied in Oil Processing ? Ref : Gogate – Chemical Engineering and Processing 47 (2008),515-527 www.desmetballestra.com
Acoustic Process ACOUSTIC PROCESS (SONOCHEMISTRY) *No industrial application due to inherent drawbacks * Effect depends on distance from source (not uniform) * Batch process, not suitable for large scale processing * High energy requirement * Generated by Ultrasound waves *Tested successfully for degumming Moulton and Mounts (1999) > 90 % PL removal www.desmetballestra.com
Hydrodynamic Nano Reactors HYDRODYNAMIC NANO REACTORS * Less studied than ultrasound process * Generated by passage of a liquid through a constriction * Much more energy efficient than acoustic process * Suitable for larger scale, continuous processes Typical velocity and pressure profile in a hydrodynamic Nano reactor www.desmetballestra.com
Nano-Reactors NANO-REACTORS * Unique internal geometry * Generation of very small ‘nano’ bubbles in liquid streams * Liquids (homogeneous/heterogeneous) are fed to nano-reactor with HP pump * Mechanical and chemical effects - Formation of very fine emulsions - Increased surface area - Strong shear forces - Activation of atoms, molecules - Formation of radicals - Initiation of chemical reactions * Reactor, more than just a good mixer Proprietary design of CTI www.desmetballestra.com
Nano-NeutralisationTM Standard Neutralisation Nano- Neutralisation NaOH Nano- reactor www.desmetballestra.com
Nano-NeutralisationTM • - Patent pending technology • - Add-on process to existing oil refinery • neutralisation system • - Process benefits (industrial proven) • No addition of H3PO4 (NHP converted in HP in nano-reactor) • No acid retention tank • Less NaOH required (no need for H3PO4neutralisation) • Less soaps in nano-neutralized oil reducing need for silica • or wash water • Improved oil yield due to improved separation of soapstock • (Less neutral oil/no salts in soapstock) 14 www.desmetballestra.com
Nano-NeutralisationTM Industrial plant : 500 TPD 15 www.desmetballestra.com
Nano-NeutralisationTM 500 TPD Nano-neutralisation of soybean oil Industrial data 16 www.desmetballestra.com
Nano-NeutralisationTM Industrial plant : 500 TPD • Proven Process Advantages • 90% less phosphoric acid • 40-50% less caustic soda • min. 0.2% extra refined oil yield • less silica consumption 17 www.desmetballestra.com
Other possible applications • 1. Nano-degumming of crude/WDG oils • Deep degumming to allow physical refining • 2. Nano-degumming of palm oil • Replacing the ‘dry’ phosphoric acid degumming • Also suitable in biodiesel feedstock pretreatment 3. Enzyme assisted nano-degumming Still in testing phase, not proven yet www.desmetballestra.com
Summary - Conclusions * Efficiency, Quality and Sustainability are key criteria for new/improved processes in edible oil refining * Enzymatic degumming meets all these criteria and is therefore being applied more * Hydrodynamic Nano Reactors is interesting technology for edible oil refining * Nano-neutralisation is being implemented on industrial scale * Nano-degumming (in combination with enzymes)is tested on lab/pilot scale www.desmetballestra.com
102nd AOCS Annual Meeting May 1-4, 2011 Cincinnati, OH Thank You For Your Attention Wim De Greyt1, Marc Kellens1,Tim Kemper2 and Jim Willits2 1Desmet Ballestra Group, Zaventem, Belgium; 2Desmet Ballestra North America, Marrietta, GA www.desmetballestra.com