1 / 9

guest

Cyclodextrins (CDs). 0.5 ～ 0.9 nm. 0.8 nm. CDs have a hydrophobic cavity into which compounds of an appropriate size and shape can be incorporated. Inclusion of Gest Compounds by CD in Aqueous Media. release. inclusion. guest. guest. CD-guest complex. Objectives of This Work.

napua
Download Presentation

guest

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Cyclodextrins (CDs) 0.5 ～ 0.9 nm 0.8 nm CDs have a hydrophobic cavity into which compounds of an appropriate size and shape can be incorporated. Inclusion of Gest Compounds by CD in Aqueous Media release inclusion guest guest CD-guest complex

  2. Objectives of This Work Examination of Adsorption Ability of Various Cyclodextrin (CD) Polymers towards PCBs in Insulating Oil CD polymer Preparation of CD Polymers Pyridine Terephthaloyl chloride Alcohol or Amine β-CD Esterified CD Polymer or Amidated CD Polymer 1 : 10 : 20 (molar ratio) Alcohol ： CH3OH , CH3(CH2)3OH , CH3(CH2)7OH , , Amine ： CH3(CH2)7NH2 , ,

  3. Performance Evaluation in Organic Solvent (1) Performance Evaluation andEvaluation Results 92 90 87 89 87 87 86 83 82 84 83 82 83 79 78 79 71 69 61 57 PCB Adsorptive ratio (%) HpCB PeCB TrCB MCB DCB TeCB OcCB HeCB

  4. Performance Evaluation in Organic Solvent (2) Performance Evaluation andEvaluation Results K17-56 (50 mg) K18-51 (50 mg) PCB Adsorptive ratio (%) PCB Adsorptive ratio (%) K18-51 (155 mg) K17-56 (155 mg) PCB Adsorptive ratio (%) PCB Adsorptive ratio (%)

  5. Adsorption Experiments Insulating Oil (400 mg) Including PCB (100 ppm) Insulating Oil ↓ High Pressure Insulating Oil K (Nippon Oil Corporation) Including PCB ↓ 2,2’,3,3’,5,5’-HxCB (PCB-133) PCB Adsorbent-loaded column (200 mg) Measurement of PCBs Concentration by GC-MS

  6. Performance Evaluation in Insulating Oil Preparation of CD Polymers Esterified CD Polymer and Amidated CD Polymer Pyridine Alcohol or Amine Terephthaloyl chloride β-CD Amidated CD Polymer Esterified CD Polymer ~100 ~100 ~100 ~100 ~100 93 95 81 PCB Extraction ratio (%) PCB Extraction ratio (%) 80 76 83 81 81 80 71 49 Insulating oil Collection rate (%) Insulating oil Collection rate (%) Alcohol Amine

  7. SEM Measurement of CD Polymers Octylamine (Extraction ratio: 81%, Collection rate: 71%) 1-Octanol (Extraction ratio: ~100%, Collection rate: 83%) Phenol (Extraction ratio: ~100%, Collection rate: 80%) Aniline (Extraction ratio : 93%, Collection rate: 80%)

  8. PCB Atropisomer PCB-183 PCB-45 PCB-84 PCB-88 PCB-91 PCB-95 Chemical Structure of PCB Atropisomer PCB-136 PCB-132 PCB-131 PCB-135 PCB-139 PCB-174 PCB-149 PCB-144 PCB-171 PCB-175 PCB-176 PCB-183 PCB-196 PCB-197

  9. Measurement of Enantiomer Fractions (PCB-183) Performance Evaluation and Evaluation Results Adsorbent 0.506 0.500 0.501 TBDMS-β-CD 0.490 Enantiomer Fractions TIPS-β-CD TIPS-β-CD コントロール TBDMS-β-CD Terephthaloyl-β-CD Terephthaloyl-β-CD Enantiomer Fractions ＝

More Related