Prez Baljaa09

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Prez Baljaa09

Prez Baljaa09

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  • 1. Membrane Separation Process
  • 2. Background of Membrane separation technology • Simple filtration technology which can separate molecules according to their molecular size • No heat treatment → Low Initial Cost, Small Energy, High Quality of Products
  • 3. Pore size Permeate flux of water at 38 bar, Name of membranes Molecular weight 24° (LMH) Å Ångström nanometer UM 05 500 21 2.1 17 UM 2 1 000 24 2.4 34 UM 10 10 000 30 3.0 102 PM 10 10 000 38 3.8 935 PM 30 30 000 47 4.7 850 XM 50 50 000 66 6.6 425 XM 100A 100 000 110 11.0 1105 XM 300 300 000 480 48.0 2215
  • 4. Objective of the Work Development of a membrane separation process which can efficiently purify anserine- carnosine (AC) extracted from chicken meat
  • 5. Materials (preparation of chicken extract) water:carcasses=3:1 Chicken carcass Water Extraction 100˚C, 4-6 h Ion exchange resin Removal AC: 6.25 g/L (235) Acidic and neutral Creatinine: 2.31 g/L (113) amino acids Na+: 0.27 g/L (56) NF membrane
  • 6. Apparatus Lab-Module type 20.(DSS) Maximum membrane area: 7200 cm2 (180 cm2×40 sheets) Maximum pressure: 6 MPa Maximum temperature: 100˚C pH-range: 0-14
  • 7. Membranes used in this study NaCl rejection Membrane Manufacturer Material (*MW cut-off) NFT50 55 DSS Polypiperazine /polyamide/ DRA4510 45 DAISEN Polyamide Desal DL 15 Desalination Polyamide (aromatic) Desal DK 50 Desalination Polyamide (aromatic) NTR7430 30 NITTO DENKO Sulfonated polyether sulfone NTR7450 50 NITTO DENKO Sulfonated polyether sulfone NTR7250 60 NITTO DENKO Polyvinyl alcohol MPF34 35 Abcor Polysulfone MPF36 10 Abcor Polysulfone MPF44 25 Abcor Polyacrylonitrile (PAN) MPF50 700* Abcor Polyacrylonitrile (PAN) G-5 1000* Desalination Polyamide G-10 2500* Desalination Polyamide
  • 8. Total Circulation Experiment P F I I P Retentate I Feed Pump Permeate Feed flow rate: 5.8 - 11.3 L/min Feed tank Pressure: 1 - 6 MPa Temperature: 25 ˚C
  • 9. Batch Wise Experiment P F I I P Retentate I Creatinine and Permeate Sodium Ion Feed Area of membrane: 360 cm2 Pump Temperature: 25 ˚C Initial weight of Feed: 11.2 kg Feed tank Final weight of Feed: 3 kg
  • 10. Analyses and Calculation of Rejection Value HPLC using column (TSKG2, 500PWXl) with 45% acetonitrile (pH3.0). ICP-AES (JICP-PS3000UV; Leeman Lab). b .. R obs = 1− Cp Cr Robs: Observed rejection Cp: Concentration of permeate Cr: Concentration of retentate
  • 11. Results of Total circulation experiment Effect of operating pressure ( P) on permeate flux (Jv) and observed rejection for anserine-carnosine (RAC), creatinine (RCr) and sodium ion (RNa) with NFT50 membrane
  • 12. Results of Total circulation experiment Effect of flow rate on permeate flux (Jv) and observed rejection for anserine-carnosine (RAC), creatinine (RCr) and sodium ion (RNa) with NFT50 membrane
  • 13. Result of total circulation experiment Membrane Jv x106 [m3/(m2 s)] RAC RCr RNa NFT50 61.1 0.998 0.765 0.811 DRA4510 54.9 0.994 0.813 0.835 Desal DK 42.4 0.992 0.713 0.733 Desal DL 36.8 0.997 0.439 0.446 MPF36 34.7 0.751 0.490 0.257 NTR7250 29.2 0.888 0.564 0.234 MPF50 28.5 0.017 0.035 - NTR7430 27.8 0.925 0.600 0.719 NTR7450 13.9 0.941 0.704 0.842 MPF34 11.8 1.000 0.990 0.980 G-10 8.8 0.453 0.214 0.588 MPF44 6.3 0.940 0.886 0.757 G-5 4.6 0.406 0.070 0.593
  • 14. Results (Batch-Wise Concentration) Changes in purity, yield, concentration of anserine-carnosine and permeate flux value (Jv) during Batch wise experiment with NFT50 membrane (flow rate:10 L/min, pressure:4 MPa)
  • 15. Proposal of a Mathematical Model A: membrane area dV Jv: Permeate flux = − A Jvρ (1) dt V: volume of solution d (C AC V f ) t: time = − A J v Cac (1 − RAC ) (2) dt C: concentration of components R: rejection of components J v = D − k ln(CF ) (3) CF: concentration factor V0 D: constant CF = (4) Vf k: mass transfer coefficient
  • 16. Simulation Results Changes in purity, yield, concentration (CAC) of anserine-carnosine and permeate flux value (Jv) with NFT50 membrane (experimental value and calculation line)
  • 17. Process design Chicken carcass 5 t/d Water 15 t Extraction 4-6 h Extract 15,000 kg Ion exchange resin Removal Acidic and neutral Eluted solution 1,400 kg amino acids NF membrane NFT50 membrane Permeate 1.2 m2, 6 h Retentate: 150 kg Creatinine and sodium ion Anserine-Carnosine (conc.: 7.5%, purity: 90%, yield: 98%, AC: 11.2 kg)
  • 18. Whey Purification /centryfuge and cake filter/ Retentate Permeate Curd and UF membrane 3 kind of UF Retentate membrane Permeate Solvent protein’s NF membrane 3 kind of NF Permeate membrane Retentate Solvent Lactulose (purity: 90%, yield: 95%)
  • 19. Thank you very much for your kind attention