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
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
Competitive immobilization of multiple component chlorinated solvents by cyclodextrin derivatives
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 mM−1 for perchloroethylene (PCE) by methyl-β-cyclodextrin (M-β-CD), 0.136 mM−1 for trichloroethylene (TCE) by M-β-CD, 0.106 mM−1 for cis-dichloroethylene (cis-DCE) by hydropropyl-α-cyclodextrin, and 0.090 mM−1 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
نویسندگان
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