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Hydrothermal Synthesis of Zeolite T from Kaolin using Two Different Structure Directing Agents

Sazmal E., Arshad and Lutfor, M. R. and Sarkar, Shaheen M. and Eddy F., Yusslee and Siti Z., Patuwan (2017) Hydrothermal Synthesis of Zeolite T from Kaolin using Two Different Structure Directing Agents. Materials Research Express, 5 (015011). pp. 1-11. ISSN 2053-1591

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Abstract

Zeolite T were synthesized from molar chemical composition of 1 SiO2: 0.04 Al2O3: 0.26 Na2O: 0.09 K2O: 14 H2O in form of homogenous milky solution in presence of two different structure directing agents of TMAOH and TEAOH respectively. Modification for composition of silica were using metakaolin from calcined kaolin at 750 ˚C in 4 h while molar composition of each different SDA were variated from 0.05, 0.10, 0.15, 0.20 and 0.25. The homogenous mixture was left at room temperature for 24 h before undergoing hydrothermal synthesis at 100 ˚C for 168 hours. Synthesized samples filtered and aged at 120 ˚C for 2 h and each samples were calcined at high temperatures(545oC for TMAOH and 520oC for TEAOH) for templates removal before characterization using XRD and SEM. Crystallization of zeolite T in major form were only at molar ratio of 0.10 of TMAOH while in TEAOH showed species evolution of zeolite T into zeolite L and W for the other molar ratios.

Item Type: Article
Uncontrolled Keywords: Zeolite T; offretite; erionite; kaolin; metakaolin; SDA; TMAOH; TEAOH
Subjects: Q Science > QD Chemistry
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Dr. Md Shaheen Sarkar
Date Deposited: 18 Jan 2018 02:05
Last Modified: 14 Feb 2018 07:29
URI: http://umpir.ump.edu.my/id/eprint/19782
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