Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents

The effects of different mixtures of organic structure-directing agents (OSDAs) on the formation of SAPO-34 structure have been investigated. Different OSDAs, namely, triethylamine (TEA), tetraethylammonium hydroxide (TEAOH), and morpholine (Mor) and their combinations were used to synthesize SAPO-3...

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Main Authors:	Tuan Doan, Khang Nguyen, Phong Dam, Thanh Huyen Vuong, Minh Thang Le, Huyen Pham Thanh
Format:	Article
Language:	English
Published:	Hindawi Limited 2019-01-01
Series:	Journal of Chemistry
Online Access:	http://dx.doi.org/10.1155/2019/6197527

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spelling	doaj-0576f7a6a98d4acb8d310efdd29359512020-11-25T02:49:12ZengHindawi LimitedJournal of Chemistry2090-90632090-90712019-01-01201910.1155/2019/61975276197527Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing AgentsTuan Doan0Khang Nguyen1Phong Dam2Thanh Huyen Vuong3Minh Thang Le4Huyen Pham Thanh5School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamSchool of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamSchool of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamSchool of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamSchool of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamSchool of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, VietnamThe effects of different mixtures of organic structure-directing agents (OSDAs) on the formation of SAPO-34 structure have been investigated. Different OSDAs, namely, triethylamine (TEA), tetraethylammonium hydroxide (TEAOH), and morpholine (Mor) and their combinations were used to synthesize SAPO-34 by a hydrothermal method. The template concentration was optimized by eliminating the competing phases to obtain the purest form of SAPO-34 phase. The as-synthesized samples were analyzed by XRD, FE-SEM/EDS, FT-IR, surface area/pore volume measurements, NH3-TPD, TG/DTA, and 29Si NMR MAS. The selection of template notably impacts the crystal size and physicochemical characteristics of as-synthesized SAPO-34. The sample prepared with 3 Mor : 3 TEA : 1 TEAOH exhibited the highest total acidity, smallest crystal size below 3 µm, and high surface area up to 697 m2/g.http://dx.doi.org/10.1155/2019/6197527
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Tuan Doan Khang Nguyen Phong Dam Thanh Huyen Vuong Minh Thang Le Huyen Pham Thanh
spellingShingle	Tuan Doan Khang Nguyen Phong Dam Thanh Huyen Vuong Minh Thang Le Huyen Pham Thanh Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents Journal of Chemistry
author_facet	Tuan Doan Khang Nguyen Phong Dam Thanh Huyen Vuong Minh Thang Le Huyen Pham Thanh
author_sort	Tuan Doan
title	Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents
title_short	Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents
title_full	Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents
title_fullStr	Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents
title_full_unstemmed	Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents
title_sort	synthesis of sapo-34 using different combinations of organic structure-directing agents
publisher	Hindawi Limited
series	Journal of Chemistry
issn	2090-9063 2090-9071
publishDate	2019-01-01
description	The effects of different mixtures of organic structure-directing agents (OSDAs) on the formation of SAPO-34 structure have been investigated. Different OSDAs, namely, triethylamine (TEA), tetraethylammonium hydroxide (TEAOH), and morpholine (Mor) and their combinations were used to synthesize SAPO-34 by a hydrothermal method. The template concentration was optimized by eliminating the competing phases to obtain the purest form of SAPO-34 phase. The as-synthesized samples were analyzed by XRD, FE-SEM/EDS, FT-IR, surface area/pore volume measurements, NH3-TPD, TG/DTA, and 29Si NMR MAS. The selection of template notably impacts the crystal size and physicochemical characteristics of as-synthesized SAPO-34. The sample prepared with 3 Mor : 3 TEA : 1 TEAOH exhibited the highest total acidity, smallest crystal size below 3 µm, and high surface area up to 697 m2/g.
url	http://dx.doi.org/10.1155/2019/6197527
work_keys_str_mv	AT tuandoan synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents AT khangnguyen synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents AT phongdam synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents AT thanhhuyenvuong synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents AT minhthangle synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents AT huyenphamthanh synthesisofsapo34usingdifferentcombinationsoforganicstructuredirectingagents
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Synthesis of SAPO-34 Using Different Combinations of Organic Structure-Directing Agents

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