Abstract
Sodium bicarbonate is commonly used fire suppressant powder because of its high efficiency and low cost. Two main factors affecting the effectiveness of sodium bicarbonate is moisture absorption and cake formation. From the literature survey, it has been found that, by adding small quantities of zeolite particles to sodium bicarbonate the above issues can be eliminated. Also, by adding zeolite the surface area available for each particle increases, which will eventually increase the efficiency. The project aims in experimenting zeolite added sodium bicarbonate fire extinguishing powder and finding out its effectiveness in suppressing. A new type of particulate fire suppressant powder was prepared, in which zeolite of different concentration are added. By the experimental results, it is found that the zeolite added sodium bicarbonate suppressant powder has better performance than the conventional sodium bicarbonate, with relatively shorter extinguishing time and a smaller number of agents required to extinguish the fire. Based on experimental study and mathematical modelling in MATLAB software it is found that the optimum concentration of zeolite in sodium bicarbonate was obtained as 7.939 percentage and extinction time was 1.125 seconds
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