2018
DOI: 10.31629/zarah.v6i2.691
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Sintesis Ɣ-Al2o3 Dari Zeolit Alam Sumbawa

Abstract: ɣ- Al2O3 merupakan material yang paling luas digunakan sebagai substrat katalis dalam otomotif dan industri petroleum, komposit struktural untuk pesawat luar angkasa, serta pelapis tahan panas (Thermal wear coatings). Kandungan aluminium dari zeolite alam sangat potensial dalam sintesis ɣ-Al2O3, sehingga pada penelitian ini difokuskan pada pemisahan alumina dengan besi dan silika menggunakan metode pelindihan dilanjutkan dengan presipitasi, sebagai bahan dasar sintesis ɣ-Al2O3 dengan memvariasikan suhu kalsina… Show more

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“…Then added 6 M NaOH solution until alkaline to separate the impurities. After that, it was calcined at 750 °C for 4 hours to obtain alumina then characterized by FTIR (Ramdhani, Yanuar, Zulkifli, & Sarwana, 2018). CaO had been prepared from golden snail shells and used by previous research (Rodiah, Erviana, Rahman, & Budaya, 2020).…”
Section: Sample Preparationmentioning
confidence: 99%
“…Then added 6 M NaOH solution until alkaline to separate the impurities. After that, it was calcined at 750 °C for 4 hours to obtain alumina then characterized by FTIR (Ramdhani, Yanuar, Zulkifli, & Sarwana, 2018). CaO had been prepared from golden snail shells and used by previous research (Rodiah, Erviana, Rahman, & Budaya, 2020).…”
Section: Sample Preparationmentioning
confidence: 99%