Browsing by Author "Key, David"
Now showing items 1-4 of 4
-
Catalytic cracking of naphtha: The effect of Fe and Cr impregnated ZSM-5 on olefin selectivity
Mohiuddin, Ebrahim; Mdleleni, Masikana M.; Key, David (Springer Nature, 2018)This study focuses on the modification of ZSM-5 in order to enhance the catalytic cracking of refinery naphtha to produce light olefins. ZSM-5 was metal modified using different loadings (0.5–5 wt%) of Fe and Cr via the ... -
Effect of Fe-Mo promoters on HZSM-5 zeolitecatalyst for 1-hexene aromatization
Key, David; Mdleleni, Masikana (Elsevier B.V., 2018-11-15)The promotional effect of Fe-Mo species introduced into HZSM-5 (Zeolyst Int.,SiO2/Al2O3 30) zeolite catalyst by the wetness impregnation method for the 1-hexene aromatiza-tion was investigated. The structure and catalytic ... -
A review of the processes associated with the removal of oil in water pollution
Cerff, Bradley; Key, David; Bladergroen, Bernard (MPDI, 2021)Water plays an essential role in production and refining processes. Many industries that use petrochemicals also require water, especially for cleaning purposes. The wastewaters released by these processes are often rich ... -
Technological advances in winery wastewater treatment: A comprehensive review
Vlotman, David; Key, David; Bladergroen, Bernard (Stellenbosch University, 2022)The commercial production of wine is directly linked to the use of large amounts of fresh water coupled with the generation of copious amounts of wastewater containing significant amounts of organic and inorganic substances. ...