Adsorption of 1,3,5-Triazine hexahydro-1,3,5-trinitro and 1,3,5,7-Tetrazocine octahydro-1,3,5,7-tetranitro , from indoor air , using poly ( 2,6-diphenyle-p-phenylene oxide )
Publish place: 2nd Iranian Catalyst Conference
Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCO02_131
تاریخ نمایه سازی: 3 اردیبهشت 1399
Abstract:
One of the most important challenges in the air pollution1, is volatile and semi-volatile organic compounds2 that mustbe identified. This organic compounds are very numerous and some of them are dangerous. For example in the somepublic socials, there are concealed organic compounds such as explosives, drugs and etc. that vapors of them, exist inair.The goal of this research is adsorption of vapors of 1,3,5-Triazine hexahydro-1,3,5-trinitro and 1,3,5,7-Tetrazocineoctahydro-1,3,5,7-tetranitro that put in the indoor place for several hours and then desorption them by a kind ofespecial polymer and new method and analysis of them.Adsorbent is poly ( 6- و 2 diphenyle-p-phenylene oxide)3 powder that is added to distillated water as a solvent becausethis polymer is hydrophobic . This suspension enters to the impinjer instrument4then indoor air is pumped into it .eachother two organic compounds that are mentioned above enter into the trap or impinjer and then adsorption5 on thesurface of porous polymer and trap into holes until 10 days.Finally, after trap, act of thermal desorption is accomplished according to ASTM1356 standard. Two materials thatare trapped, transfer to GC-MS instrument for analysis. GC and Mass spectrums, also SEM image of polymer beforeand after of adsorption and desorption are obtain and existing of two organic compound in air be proved.
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Authors
Hojjat Ghanbarian
Faculty of science, Applied chemistry, South Tehran Branch, Islamic Azad University, Tehran, Iran
Behrouz Mirza
Faculty of science, Applied chemistry, South Tehran Branch, Islamic Azad University, Tehran, Iran
Mohammad Reza Manafi
Faculty of science, Applied chemistry, South Tehran Branch, Islamic Azad University, Tehran, Iran