Aluminum trihydroxide Al (OH)3 was heat treated at temperatures 250,350 and 550oC and the ultimate effect of water of crystallization on its reactivity was studied. The reactivity was found reduced to half on heating. The process described thermal transformation of crystalline phase from gibbsite to boehmite and to alumina.
M L MIRZA ,W A SHAH ,F SHAHEEN ,M P I QAZI ,
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