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http://dx.doi.org/10.14478/ace.2015.1088

Emission of Carbon Monoxide and Carbon Dioxide Gases during Fire Tests of Specimens Treated with Phosphorus-Nitrogen Additives  

Chung, Yeong-Jin (Dept. of Fire Protection Engineering, Kangwon National University)
Publication Information
Applied Chemistry for Engineering / v.26, no.5, 2015 , pp. 609-614 More about this Journal
Abstract
This study was to investigate the production of combustion toxic gases of pinus rigida specimens treated with pyrophosphoric acid (PP)/4ammonuium ion ($4NH_4{^+}$), methylenepiperazinomethyl-bis-phosphonic acid (PIPEABP) and PIPEABP/$4NH_4{^+}$. Each pinus rigida plates was painted in three times with 15 wt% in the aqueous solution followed by drying the species at room temperature. Emission of combustion toxic gases was examined by the cone calorimeter (ISO 5660-1). First-time to peak mass loss rate (1st-$TMLR_{peak}$) treated with chemicals was delayed upto 66.7~250.0% compared to those of untreated specimens. For test pieces treated with the chemicals, the emission of peak carbon monoxide ($CO_{peak}$) values of 0.0136~0.0178% and peak carbon dioxide ($CO_{2\;peak}$) value of 0.04432~0.3648% were obtained, which were higher than those for the virgin plate. In particular, oxygen emission is much higher than the level of 15% which can be fatal to humans. Therefore, the resulting risk could be eliminated. However it is supposed that the combustion-toxicities were partially increased compared to those of virgin plate.
Keywords
Pyrophosphoric acid/4ammonium ion; methylenepiperazinomethyl-bis-phosphonic acid; carbon monoxide; carbon dioxide;
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Times Cited By KSCI : 3  (Citation Analysis)
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