کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
585159 | 877906 | 2006 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Competitive immobilization of multiple component chlorinated solvents by cyclodextrin derivatives
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
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چکیده انگلیسی
Immobilization of chlorinated solvents with hydropropyl and methyl cyclodextrins (CDs) was observed by head-space analysis to obtain the stability constants in single and multiple component systems. In each single component system, the highest stability constant was 0.299 mMâ1 for perchloroethylene (PCE) by methyl-β-cyclodextrin (M-β-CD), 0.136 mMâ1 for trichloroethylene (TCE) by M-β-CD, 0.106 mMâ1 for cis-dichloroethylene (cis-DCE) by hydropropyl-α-cyclodextrin, and 0.090 mMâ1 for trans-dichloroethylene (trans-DCE) by M-β-CD. When HP-β-CD and M-β-CD were used, the stability constants of PCE and TCE increased and those of DCEs decreased in a multiple component system. Differences in stability constants of single and multiple component systems thus should be important parameters when cyclodextrins are applied to solubilization of multiple chlorinated solvents.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 137, Issue 3, 11 October 2006, Pages 1866-1869
Journal: Journal of Hazardous Materials - Volume 137, Issue 3, 11 October 2006, Pages 1866-1869
نویسندگان
Jung-Seok Yang, Kitae Baek, Tae-Soon Kwon, Ji-Won Yang,