Characterization and Modification of Natural Zeolite and Its Cracking Properties on Petroleum Fraction = Karakterisasi dan Modifikasi Zeolit Alam dan Sifat Perengkahannya terhadap Fraksi Minyak Bumi.
Preparation of natural zeolite catalyst consist of dealumination using acid (HF 1% (v/v), HCI 1 M), steaming at calcination temperature and both treatments ware carried out. The modification of the zeolite catalyst was done by loading a small amount of chromium (3% b/b) on the zeolite by ion exchang...
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[Yogyakarta] : Universitas Gadjah Mada
2001
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