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Supercritical carbon dioxide system Inforgraphic
The document discusses the properties and applications of supercritical fluids, particularly supercritical carbon dioxide, highlighting its utility in processes such as extraction, drying, and dyeing. It details the critical points and conditions of various substances used in supercritical processes and mentions specific applications in synthesizing nanoparticles and biodiesel production. Additionally, it addresses environmental benefits like reduced wastewater and pollutants compared to conventional methods.
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Supercritical carbon dioxide system Inforgraphic
- 1. Water 372℃, 221bar Propane 97℃ ,42.5bar Butane 152℃ , 38bar Carbon dioxide 31℃ , 74bar Ammonia 133℃ , 11bar Ethanol 241℃ , 61bar Supercritical condition depending on solvent Supercritical carbon dioxide system has application of extraction, drying, making nanoparticle, expansion, de-binding, etc. SUPERCRITICAL CARBON DIOXIDE SYSTEM Critical Point Pressure Temperature Supercritical Fluid Solid Phase Liquid Phase Gaseous Phase Coexistence with gas and liquid Supercritical Fluid increasing wake-density decreasing liquefied-density Low temperature Inflammable gas Non-toxic Separation Supercritical carbon dioxide H N Conventional LC Supercritical CO2 LC 0 0 2.5 5 7.5 10 12.5 15 17.5 min20 40 60 80 100 120 Minutes OCH2-CHCH2NHCH(CH3)2 OH pindolol Water, methanol, LiCI solution CO2 cylinder CO2 pump Thermostat bath Back-pressure controller Resin packed column Cyclona separator Fraction collector Solvent pump Textile Textile SCF Dyer Textile Wet dyer Rinsing Drying Product Dry Additive Water Liquid SCF Dyeing Process Conventional Wet Dyeing Process Gas SCF Colored Wasterwater No Wastewater Wastewater Heat, Air Pollutant Water Air Energy Productant Supercritical Flud Chromatography Supercritical Foam Ref. Korea Patent No. 10-0719487 Gas injection Two system Two-phase polymer/CO2 Single-phase polymer/CO2 solution Foam Composite Mixing, Diffusion Thermal dynamic instability Polypropylene Rapid Pressure Drop 20 Intensity(arb.unit) 2θ (degree) 40 60 80 CeO2 (111) (200) (220) (311) (222) (400) (301) (420) CO2 Cylinder Pump PumpHeater Nozzle Vessel Filtering Vessel CO2 Gas Solution Synthesis of Nanoparticles 40 30 20 10 0 0 50 100 Time(min) ExtractionRate(%) 150 200 250 500 bar 400 bar 300 bar 200 bar Raw material Grinding Supercritical CO2 extraction Before extraction After extraction R1COOCH2 R2COOCH R3COOCH2 Supercritical process 350℃, 400atm, few min Alkall catalyst process 65℃, 1.5atm, few hours No byproducts No washing No drying Methyl EsterMethanol Saponification reaction Glycerin 3CH3OH Water R1COOCH3 R2COOCH3 R3COOCH3 CH2OH CHOH CH2OH + + Wastewater Soap Methylesters(%) Methylesters(%) Water content(%) Free fatty acids content(%) 100 80 60 40 20 0 100 80 60 40 20 0 0 0 10 20 30 4002 4 6 Supercritical Process Supercritical Process Alkaline-catalyzed Alkaline-catalyzed Alkaline-catalyzedAcid-catalyzed Extraction & Degreasing (Corn Embryo) Synthesis of Biodiesel (Supercritical MeOH) Supercritical Fluid Dyeing 255,Techno 2-ro,Yuseong-gu, Daejeon, Korea (Daedeok techno valley) Tel: +82-42-931-6100 Fax: +82-42-935-6103 Homepage: www.suflux.com E-mail: webmaster@suflux.com