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Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst

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dc.contributor.author Missengue, RNM
dc.contributor.author Losch, P
dc.contributor.author Musyoka, Nicholas M
dc.contributor.author Louis, B
dc.contributor.author Pale, P
dc.contributor.author Petrik, LF
dc.date.accessioned 2018-05-11T11:46:13Z
dc.date.available 2018-05-11T11:46:13Z
dc.date.issued 2018-03
dc.identifier.citation Missengue, R.N.M. et al. 2018. Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst. Catalysts, vol. 8: doi:10.3390/catal8040124 en_US
dc.identifier.issn 2073-4344
dc.identifier.uri http://www.mdpi.com/2073-4344/8/4/124
dc.identifier.uri https://doi.org/10.3390/catal8040124
dc.identifier.uri http://hdl.handle.net/10204/10184
dc.description This is an open access article. en_US
dc.description.abstract Characteristics of ZSM-5 synthesized from H2SO4-treated coal fly ash and fused coal fly ash extracts are compared in this study. In the synthesis process, fused coal fly ash extract (without an additional silica source) was used in the synthesis of ZSM-5. The effect of the structure-directing agent (tetrapropylammonium bromide, 1,6-hexanediamine or 1-propylamine) on the properties and methanol-to-olefins (MTO) effectiveness of the fly ash-based ZSM-5 was also investigated. A pure ZSM-5 synthesized from the fused coal fly ash extract led to a methanol conversion higher than 90% after 5 h on stream. The template 1,6-hexanediamine led to the synthesis of the most stable fly ash-based catalyst keeping a 44% methanol conversion after 24 h on stream. en_US
dc.language.iso en en_US
dc.publisher MDPI en_US
dc.relation.ispartofseries Worklist;20595
dc.subject Coal fly ash en_US
dc.subject Coal fly ash extract en_US
dc.subject Oxalic acid treatment en_US
dc.subject Structure-directing agent en_US
dc.subject ZSM-5 and methanol-to-olefins en_US
dc.title Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst en_US
dc.type Article en_US
dc.identifier.apacitation Missengue, R., Losch, P., Musyoka, N. M., Louis, B., Pale, P., & Petrik, L. (2018). Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst. http://hdl.handle.net/10204/10184 en_ZA
dc.identifier.chicagocitation Missengue, RNM, P Losch, Nicholas M Musyoka, B Louis, P Pale, and LF Petrik "Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst." (2018) http://hdl.handle.net/10204/10184 en_ZA
dc.identifier.vancouvercitation Missengue R, Losch P, Musyoka NM, Louis B, Pale P, Petrik L. Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst. 2018; http://hdl.handle.net/10204/10184. en_ZA
dc.identifier.ris TY - Article AU - Missengue, RNM AU - Losch, P AU - Musyoka, Nicholas M AU - Louis, B AU - Pale, P AU - Petrik, LF AB - Characteristics of ZSM-5 synthesized from H2SO4-treated coal fly ash and fused coal fly ash extracts are compared in this study. In the synthesis process, fused coal fly ash extract (without an additional silica source) was used in the synthesis of ZSM-5. The effect of the structure-directing agent (tetrapropylammonium bromide, 1,6-hexanediamine or 1-propylamine) on the properties and methanol-to-olefins (MTO) effectiveness of the fly ash-based ZSM-5 was also investigated. A pure ZSM-5 synthesized from the fused coal fly ash extract led to a methanol conversion higher than 90% after 5 h on stream. The template 1,6-hexanediamine led to the synthesis of the most stable fly ash-based catalyst keeping a 44% methanol conversion after 24 h on stream. DA - 2018-03 DB - ResearchSpace DP - CSIR KW - Coal fly ash KW - Coal fly ash extract KW - Oxalic acid treatment KW - Structure-directing agent KW - ZSM-5 and methanol-to-olefins LK - https://researchspace.csir.co.za PY - 2018 SM - 2073-4344 T1 - Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst TI - Conversion of South African coal fly ash into high-purity ZSM-5 zeolite without additional source of silica or alumina and its application as a methanol-to-olefins catalyst UR - http://hdl.handle.net/10204/10184 ER - en_ZA


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