Browsing Journal Articles by Subject "Zeolites"

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Catalytic skeletal isomerization of linear butenes to isobutene

Author: Butler, AC ; Nicolaides, CP Date: 31 Dec 1993 The increased demand for isobutene, used for the production of the octane-enhancer methyl tert-butyl ether, has generated tremendous interest in the catalytic conversion of the linear butenes to isobutene. In this review we survey the progress ... Read more
Conversion of South African clays into high quality zeolites

Author: Musyoka, Nicholas M ; Missengue, R ; Kusisakana, M ; Petrik, LF Date: Aug 2014 Clays obtained from South Africa were used as feedstock materials for the synthesis of zeolites. The conventional alkaline hydrothermal treatment of the starting material (90 °C for 8 h)was preceded by a fusion step (550 °C for 1.5 h) to ... Read more
Integrated acid mine drainage management using fly ash

Author: Vadapalli, VRK ; Gitari, MW ; Petrik, LF ; Etchebers, O ; Ellendt, A Date: Jan 2012 Fly Ash (FA) from a power station in South Africa was investigated to neutralise and remove contaminants from Acid Mine Drainage (AMD). After this primary treatment the insoluble FA residue namely solid residue (SR) was investigated as a ... 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
Synthesis of templated carbons starting from clay and clay-derived zeolites for hydrogen storage applications

Author: Musyoka, Nicholas M ; Ren, Jianwei ; Langmi, Henrietta W ; Rogers, DEC ; North, Brian C ; Mathe, Mahlanyane K ; Bessarabov, D Date: Oct 2014 Clay and its recrystallized zeolitic derivatives were used in this study as templating agents for carbon nanostructured materials. The conventional nanocasting process that involves impregnation with furfural alcohol and subsequent chemical ... Read more
Utilization of waste tyres pyrolysis oil vapour in the synthesis of Zeolite Templated Carbons (ZTCs) for hydrogen storage application

Author: Musyoka, Nicholas M ; Rambau, Khavharendwe MA ; Manyala, N ; Ren, Jianwei ; Langmi, Henrietta W ; Mathe, Mahlanyane K Date: May 2018 In this study, we investigated the potential for use of waste tyre pyrolysis oil vapour as a carbon precursor in the synthesis of zeolite templated carbons (ZTC). With Zeolite 13X as the template, the ZTCs were synthesised using two methods ... Read more

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Browsing Journal Articles by Subject "Zeolites"

Browsing Journal Articles by Subject "Zeolites"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect