| OCR Text |
Show -43- and Anderson(31) and while the Band R values @ (see Figures II 4 and II - Unfortunately 'I ± given at are determined from the were - 00 1 atmospheres 5 and Table II it is not to possible evaluate all of the activation energies of can be seen, - (see Figure experimental II - 3) curves 2)0 separate and independently the specific rate constants, It however, from equations (9) and (10) that (14) Table II - 2 Experimental Determination T Rate °c Pressure (Figure II 1) - R (Fig.Cf Calculated B PIlC02 0 II of B Values - 4) (Fig .. II - 3) (Figo II 800 0.2 00079 r.a 002 850 100 0.118 208 0.48 30 9 900 200 0.263 60 1 1005 100 950 300 0Q'5 201 003 2. as explanation shown in of equation (13) Figure II During decomposition, - a 6 and on 1RI0 all corners and edges in terms of actual as steps involved given below: carbon dioxide group leaves surface cell of the calcium carbonate. readily 5) Mechanism of reaction: The appear s 1205 - Such and will a reaction will spread rapidly surface until all potentially reactive sites contain CaO*.. a single occur over very the entire This step is so |
