Adsorption Equilibrium - web.yonsei.ac.kr

1 What is Adsorption Equilibrium ? , . , . ( ) .. , . q=q(C) at T C=C(T) for q . Adsorption Equilibrium - 66,000,000 100,000,000 billion , ( , , ) 3,300 billion , 1,600 billion , 540 610billion , 750 billion .- .- . , billion billion , billion .- . CO2 550~950 ~ CCO2 - - - - - - hydrate Carbon Dioxide Reduction Storage.

2 Molecular Sieve .. : , , , , , , , , , .Pressure Swing Adsorption - . - cycle .- . - .TemperatureSwingAdsorption- Engineering Design Database -Performance - Simulation Package - Pilot Plant Basic Equilibrium dataEquilibrium dataRate dataRate dataBreakthroughBreakthrough (PSA&TSA) Simulation -H2, CH4, CO, CO2, N2 5 - Database - Layered Bed - Simulator Package (DySAP: )SK ( ) DySAPC oncurrent DepressurizationCountercurrent DepressurizationStep 5 Step 1 Step 2 Step 3 Step 4H2 ProductH2to RepressureH2to Purge & RepressureFeedAdsorptionPurgeRepressuriz ationKey : H2 FeedTail GasLayered Bed (PSA&TSA) : COG H2 Layered Bed20m3/hr +% H2 Pilot Plant.

3 , . , .SMB , . SimulatedMovingBed - , , SMB - 2015 . SMB - SMB - - . [ SMB ][ SMB ]SMB(Simulated Moving Bed)Pharmaceutical Product(world market: $550 billion/year)Ex) Chiral market: $ billion/year (1,2)( )Petrochemical ProductEx) Fine chemical market: $ billion/year(3)Oil-refining catalyst market: $ billion/year(4)Biological Product(world market :$91 billion/year)(5)Food Product(world market.

4 $2023 billion/year)(6) SMB High-pricedProductsEnergy-savingTechnolo gyAAdvanced-seperationProcess No phase transition Continuous process Raffinate/extractproductSMB Chromatography Pharmaceutical Product Biology product Food product Fine chemical product Application from petrochemical to fine chemical Synthesis of high-priced nano-particle Various operation design (1) (2) , , , , (3) , , (4) ( )SMB ( ) (kg product/kg resin) (L solvent/g product) (mg/ml) ) Journal of Chromatography A, 1006 (2003) 267 AdsorptionCeramic MembraneHybrid Membrane SystemCleanTechnologyNanoTechnologyHighV alueEnergy Saving- free- - - -High Technology- - - - - Adsorption / MembraneTechnologyZeolite- 50% - - - Activate Carbon-2 2 ( )- 300~2500m2/g - 30 ( ), 10~25 ( ) Ceramic Membrane Separation : - / MEMS - - 1 : / mechanism - / - - / 2.

5 DB - - parameter - DB 3 Ceramic Membrane Separation : What is a adsorbent ? - ( Adsorption ) , . - . , ..- , .. , .- : (zeolite), (YSP-II-Lt), (Magnetite) Adsorbent : Zeolite ( )- . 4 4 , 2 .. -4 Si Al.

6 , .Adsorbent : YSP-2 ULSD (ultra low sulfur diesel) .HDS (Hydrodesulfurization)Fuel withHigh SulfurHDSP retreatment AdsorptiveDenitrogenation ProcessAdsorptiveDesulfurization ProcessHDSC lean Fuelpromised method; Adsorption with novel adsorbents 2 theta024681012 Intensity01000200030004000500060007000 YSP-2 after boiling in hot water- XRD (X-Ray Diffraction) Short range hexagonal structure High thermal stabilityAdsorbent : Magnetite core/shell - , , .- , recover .Immobilization : Immobilization Magnetite Adsorbent374 C221bar Characters of.

7 YAG phosphors YAG . SuperCriticalWaterOrganicrefractory wasteWaste + OxidantReactionin SCW conditionFinal product:CO2 + H2 OMesoporous material in atmosphericconditionMesoporousmaterial + Inorganic reactantNozzle injectionin SCWNano-sized materialYAGin atmosphericconditionYAG + KOHjust before injectionNozzle injectionin SCWYAG:TbYAG:EuSupercritical Water OxidationSynthesis of nano-sizedmesoporous materialSynthesize of Phosphor , , , News & Information for Chemical Engineers, Vol. 21, No. 1, 45-50, SCWOP hosphorMesoporousPhosphorFEDLEDPDPLAMPLC D Complete destruction without 2ndPollutants High efficiency : > Short residence time : <several mins or seconds High luminescence m-nm sized phosphor Low energy consumption Fast separation of toxic inorganic and organic compounds Nano-sized material : 1-20nm Supercritical Water Oxidation Hydrothermal Synthesisunder SCWS uperCriticalWater Refractory organic watesPower plant wastesLandfill leachateChemical wastesArmy wastesSCWOS ealing agentsCatalyzerCatalyzer carrierMedical diagnosisBio-medicalNano-sized material