Author:Butler, AC; Nicolaides, CPDate:31 Dec 1993The 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
Author:La Grange, CCDate:1944This report described work done at the Institute to ascertain whether South African coals could be used in the preparation of carbonaceous zeolites. The object of the present investigation was to determine whether South African coal would ...Read more
Author:Musyoka, Nicholas M; Missengue, R; Kusisakana, M; Petrik, LFDate:Aug 2014Clays 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
Author:Vadapalli, VRK; Gitari, MW; Petrik, LF; Etchebers, O; Ellendt, ADate:Jan 2012Fly 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