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Browsing by Author "Missengue, RNM"

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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

Author: Missengue, RNM ; Losch, P ; Musyoka, Nicholas M ; Louis, B ; Pale, P ; Petrik, LF Date: Mar 2018 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 ... Read more
Leaching and antimicrobial properties of silver nanoparticles loaded onto natural zeolite clinoptilolite by ion exchange and wet impregnation

Author: Missengue, RNM ; Musyoka, Nicholas M ; Madzivire, G ; Babajide, O ; Fatoba, OO ; Tuffin, M ; Petrik, LF Date: Nov 2015 This study aimed to compare the leaching and antimicrobial properties of silver that was loaded onto the natural zeolite clinoptilolite by ion exchange and wet impregnation. Silver ions were reduced using sodium borohydride (NaBH(sub4)). The ... Read more
Transformation of South African coal fly ash into ZSM-5 zeolite and its application as an MTO catalyst

Author: Missengue, RNM ; Losch, P ; Sedres, G ; Musyoka, Nicholas M ; Fatoba, OO ; Louis, B ; Pale, P ; Petrik, LF Date: Jan 2017 This study presents a way of using South African coal fly ash by extracting metals such as Al and Fe with concentrated sulphuric acid, and then using the solid residue as a feedstock for the synthesis of ZSM-5 zeolite. The percentage of ... Read more

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Browsing by Author "Missengue, RNM"

Browsing by Author "Missengue, RNM"

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