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- Publisher Website: 10.1016/j.micromeso.2005.09.005
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Article: Effects of step-change of synthesis temperature on synthesis of zeolite 4A from coal fly ash
Title | Effects of step-change of synthesis temperature on synthesis of zeolite 4A from coal fly ash |
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Authors | |
Keywords | Temperature Synthesis Coal fly ash Zeolite 4A |
Issue Date | 2006 |
Citation | Microporous and Mesoporous Materials, 2006, v. 88, n. 1-3, p. 145-151 How to Cite? |
Abstract | Pure form, single phase and high crystalline zeolite 4A samples were synthesized by applying step-change of synthesis temperature during hydrothermal treatment of coal fly ash prepared solution. The results indicate that step-change of synthesis temperature during hydrothermal treatment plays an important role in reducing the overall synthesis time while maintaining a high degree of crystallinity for the samples. In order to obtain similar quality of zeolite 4A sample, a reduction by half of the total synthesis time could be achieved by applying step-change of synthesis temperature compared to using constant temperature throughout the synthesis process. Generally, the crystallinity of the synthesized zeolite 4A samples was in the range of 75-87%. The yielding (quantity) of pure zeolite 4A samples obtained in all the experiments was about 15-18%. In addition, crystals of smaller particle size existing in a narrower particle size distribution were synthesized. © 2005 Elsevier Inc. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/255883 |
ISSN | 2021 Impact Factor: 5.876 2020 SCImago Journal Rankings: 1.079 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Hui, K. S. | - |
dc.contributor.author | Chao, C. Y.H. | - |
dc.date.accessioned | 2018-07-16T06:13:57Z | - |
dc.date.available | 2018-07-16T06:13:57Z | - |
dc.date.issued | 2006 | - |
dc.identifier.citation | Microporous and Mesoporous Materials, 2006, v. 88, n. 1-3, p. 145-151 | - |
dc.identifier.issn | 1387-1811 | - |
dc.identifier.uri | http://hdl.handle.net/10722/255883 | - |
dc.description.abstract | Pure form, single phase and high crystalline zeolite 4A samples were synthesized by applying step-change of synthesis temperature during hydrothermal treatment of coal fly ash prepared solution. The results indicate that step-change of synthesis temperature during hydrothermal treatment plays an important role in reducing the overall synthesis time while maintaining a high degree of crystallinity for the samples. In order to obtain similar quality of zeolite 4A sample, a reduction by half of the total synthesis time could be achieved by applying step-change of synthesis temperature compared to using constant temperature throughout the synthesis process. Generally, the crystallinity of the synthesized zeolite 4A samples was in the range of 75-87%. The yielding (quantity) of pure zeolite 4A samples obtained in all the experiments was about 15-18%. In addition, crystals of smaller particle size existing in a narrower particle size distribution were synthesized. © 2005 Elsevier Inc. All rights reserved. | - |
dc.language | eng | - |
dc.relation.ispartof | Microporous and Mesoporous Materials | - |
dc.subject | Temperature | - |
dc.subject | Synthesis | - |
dc.subject | Coal fly ash | - |
dc.subject | Zeolite 4A | - |
dc.title | Effects of step-change of synthesis temperature on synthesis of zeolite 4A from coal fly ash | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.micromeso.2005.09.005 | - |
dc.identifier.scopus | eid_2-s2.0-29244462979 | - |
dc.identifier.volume | 88 | - |
dc.identifier.issue | 1-3 | - |
dc.identifier.spage | 145 | - |
dc.identifier.epage | 151 | - |
dc.identifier.isi | WOS:000234774100019 | - |
dc.identifier.issnl | 1387-1811 | - |