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Effect of acid and base sites on the degradation of sulfur mustard over several typical oxides

Paper ID Volume ID Publish Year Pages File Format Full-Text
48293 46500 2008 11 PDF Available
Title
Effect of acid and base sites on the degradation of sulfur mustard over several typical oxides
Abstract

The reactions of the chemical warfare agent sulfur mustard (HD) degradation over CaO, MgO, SiO2, Al2O3, HZSM-5, A-Clays were studied. More than 10 kinds of products from the degradation of HD over these oxides were detected and identified by GC-FPD, GC–MS, NMR and UV–vis approaches. All the studied oxides can exhibit reactivity towards destroying HD molecules in air at room temperature. The acid and base sites over the oxides were not entirely poisoned by H2O and CO2 in air as evidenced by the acid–base property characterization results. The conserved acid and base sites over the oxides might be the reaction center for degradation of HD molecules. Both degradation activity and product distribution were strongly determined by the strength and density of the acid–base sites and the adsorbed water over the oxides.

Keywords
Mustard; Degradation; Oxide; Acid and base sites
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Effect of acid and base sites on the degradation of sulfur mustard over several typical oxides
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 79, Issue 4, 8 March 2008, Pages 323–333
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
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