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Provedor de dados:  BABT
País:  Brazil
Título:  Using egg albumin foam to extinguish fires
Autores:  Alsaati,Hytham A.
Ditzler,Danielle
Burapatana,Vorakan
Tanner,Robert D.
Data:  2003-12-01
Ano:  2003
Palavras-chave:  Protein Foam
Albumin
Fire Suppression
Biodegradable Foams
Natural Gas Flame
Resumo:  Oil, coal and chemical fires are often difficult to put out using water. In certain hydrocarbon fires, protein foam can extinguish fires better than water by keeping air (oxygen) away from the flames and by ''blowing'' the flame away from its fuel source. Egg albumin is a relatively inexpensive protein and is representative of foaming proteins, which are candidates for use as fire suppression agents. This paper begins to deal with the effect of the foam bulk pH, foam protein concentration and generating air flow rate into the foam on the fire extinguishing time in laboratory experiments. A Bunsen burner was used to generate a small, controlled laboratory fire within a plastic container, which represented a point source in a partially open room in the experiments. The Bunsen burner represents a gaseous hydrocarbon fire, which can be difficult to extinguish. Both a low pH foam and one made with a high air flow rate favor a reduction in time required to put out the Bunsen burner flame.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000400029
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89132003000400029
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.46 n.4 2003
Direitos:  info:eu-repo/semantics/openAccess
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