THE FORMATION AND RUPTURE COEFFICIENTS IN FOAMING BEHVIOR EQUATION CAUSED BY DECOMPOSITION REACTION OF BORATE MELTS

The foam behavior equations were given for the foaming in the borate melt by decomposition reaction and the relationship between the foam height and time was established. The foam height has been measured duxing the foaming processes by gas decomposition of carbonate in the Na2B4O7 melt containing CaO and MgO. The formation and rupture coefficients in the foam behavior equation have been determined by means of experimental results under different conditions. The temperature, size and type of the foaming agent, and the composition of the melt influence the foaming process. The size of the foaming agent has significantly effect over the foaming height. For the foaming agent of the limestone the temperature has a little effect on the foaming height.