CD Skripsi
Pengaruh Suhu Metakaolinisasi Dan Pengadukan Pada Sintesa Zeolit 4a Dari Kaolin Dengan Metode Kalsinasi
Zeolite 4A can be used as alternative for replacing fosfat as builder of detergen. It can be synthesized from calcined kaolin. Kaolin in its natural state is less reactive and difficult to form zolite 4A, threfore kaolin needs to be activated through calcination process. Calcination of kaolin were studied in variation of temperatures from 500˚C,600˚C,700˚C, 800˚C. Sodium aluminate and sodium silicate used as reactants in reaction process of synthesis zeolite 4A mixed in 1, 2 and 3 hours, then heated at 80˚C for 8 hours. The samples were characterized by infrared spectroscopy. Calcination temperature of 700˚C and 2 hour is the optimum for this kaolin to change into a reactive metakaolin which gives zeolite 4A with crystallinity ratio1,536.
Keywords: calcination, kaolin, metakaolin, synthesis, zeolite 4a
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