کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10388963 | 883772 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Liquid permeation through nonporous barrier materials
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تصفیه و جداسازی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Permeation of chemical warfare agents (CWAs) and relatively nontoxic simulants in several elastomer compounds is examined using a new design flooded surface, liquid permeation cell. Diffusivity (D) and permeability are determined for sulfur mustard and sarin CWA, and for the simulants: dichlorohexane, chloroethyl phenyl sulfide, diethyl methylphosphonate and diisopropyl methylphosphonate. Values of D calculated by several kinetic methods at different stages of the permeation process and from steady-state permeability are generally in agreement but lower than those obtained from immersion kinetics. Barrier effectiveness of the elastomer compounds towards the CWA and simulant liquids decreases in the order: butyl > EPDM > nitrile â« silicone. Simulant and CWA permeation are correlated in terms of relative permeability and reduced breakthrough time.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Membrane Science - Volume 246, Issue 1, 1 January 2005, Pages 39-47
Journal: Journal of Membrane Science - Volume 246, Issue 1, 1 January 2005, Pages 39-47
نویسندگان
D. Rivin, R.S. Lindsay, W.J. Shuely, A. Rodriguez,