Chang H.L,Shih W.H,Synthesis of zeolites A and X from fly ashes and their ion-exchange behavior with cobalt ions,Industrial and Engineering Chemistry Research,2000(39).
[12]
Petrovic I,Navrotsky A,Davis M E,Thermo-chemical study of the stability of frameworks in high silica zeolites,Chemistry of Materials,1993(5).
Tanaka H,Sakai Y,Hino R,Formation of Na-A and Na-X zeolites from waste solutions in conversion of coal fly ash to zeolites,Materials Research Bulletin,2002(37).