Synthesis of Zeolite A From Coal Fly Ash with Variation of Si/Al Molar Ratio

Jurnal ILMU DASAR

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Title Synthesis of Zeolite A From Coal Fly Ash with Variation of Si/Al Molar Ratio
 
Creator Andarini, Novita
Haryati, Tanti
Lutfia, Zuhrotul
 
Description Fly ash containing 30-36% silica and 14,52-23,78% alumina can be potentially as raw material for synthetic zeolite such as zeolite A. Zeolite A is an aluminosilicate mineral which is rich in alumina so that this zeolite has a good cation exchange capability. Zeolite A has been synthesized by hydrothermal treatment after NaOH fusion. Fly ash has been fused with NaOH at 550 0C for 40 minutes and hydrothermally treated at 1000C for 5 hours. The hydrothermal treatment was conducted in some various Si/Al molar ratios from 0.90; 1.00.; 1.05; to 1.24. The zeolite A was then analyzed using XRD and XRF. The best zeolite A based on XRD result is zeolite with Si/Al molar ratio of 1.1 with crystallinity of 96,80%. The x-ray fluorescence result showed that the Si/Al molar ratios of the four zeolite samples were close to of Si/Al molar ratios of 1, 1.1, 1.21.3 respectively.Keywords: Fly ash, Zeolite A, Hydrothermal Fusion
 
Publisher Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember
 
Date 2018-07-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://jurnal.unej.ac.id/index.php/JID/article/view/5910
10.19184/jid.v19i2.5910
 
Source Jurnal ILMU DASAR; Vol 19 No 2 (2018); 105-110
2442-5613
1411-5735
 
Language eng
 
Relation https://jurnal.unej.ac.id/index.php/JID/article/view/5910/5696
 
Rights Copyright (c) 2018 Novita Andarini, Tanti Haryati, Zuhrotul Lutfia
http://creativecommons.org/licenses/by-sa/4.0
 

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