Author:Nash, Robin JohnDate:1994Gallium/H-ZSM-5 zeolite catalysts have been extensively researched for the aromatization of liquified petroleum gas (LPG). In 1989 BP and UOP collaborated to commission a pilot plant in Grangemouth, Scotland, for the aromatization of propane ...Read more
Author:Motala, MuhammadDate:2018Iron-based Fischer-Tropsch (FT) technology is well established in the industrial production of hydrocarbon resources. The use of a stable inorganic electride as a support system, with potential promoter effects which could replace commonly ...Read more
Author:Ferreira, RikiDate:2002Previous experience with the preparation and testing of Co/alumina catalysts for Fischer-Tropsch synthesis has revealed that, while commercial available aluminas result in materials of significantly different catalytic performance, no correlation ...Read more
Author:Van Heerden, TraceyDate:2012The activity (per mass of catalyst) of supported gold catalysts across a range of reduction and oxidation reactions is significantly affected by the average crystallite size of the gold crystallites in the catalyst. Supported gold catalysts ...Read more
Author:Xalabile, PhilasandeDate:2015Proton exchange membrane fuel cell (PEMFC) has been reported as clean and efficient energy technology from conversion of H₂. However, one of the main challenges remains the storage and transport of hydrogen. The promising alternative is to ...Read more
Author:Matsutsu, MolefiDate:2012Proton exchange membrane fuel cells (PEMFC) are identified as future energy conversion devices, for application in portable and transportation devices. The preferred catalyst for the PEMFC is a Pt-catalyst. However, due to the slow oxygen ...Read more
Author:Van der Walt, Franschua JohanDate:2015Zeolites have found widespread applications as acid catalysts for decades. By introducing transition metal ions in the cation position, the zeolite is transformed into a redox catalyst. The nature of the trivalent heteroatom influences the ...Read more
Author:Luchters, NielsDate:2016High throughput and combinatorial experimentation is becoming more and more used in catalysis research. The benefits of parallel experiments are not only limited to shorten the time - to - market, but also give opportunities to study the ...Read more
Author:Kotsiopoulos, AthanasiosDate:2005Increasingly stringent legislation has been applied to transportation fuels to minimise or eliminate aromatics and sulphur compounds in diesel fuel. This has led to manufacturers determining alternative production methods to comply to ...Read more
Author:Koen, Matthew AnthonyDate:2014A number of various iron-palladium loaded H-MFI zeolites used for the hydrocracking of n- hexadecane under Fischer-Tropsch conditions were tested to address the inherent low CO tolerance of the pure palladium noble metal hydrocracking catalysts. ...Read more
Author:Binneman, JacquelineDate:2012Interest in the area of hydrocracking has grown rapidly over the years. In the early 1960's companies such as Chevron and Universal Oil Products (UOP) introduced new hydrocracking processes to manufacture high octane gasoline. The demand for ...Read more
Author:Khasu, MotlokoaDate:2017The preferential oxidation (PROX) reaction is an effective process for the removal of trace amounts of carbon monoxide from a reformate stream. Tricobalt tetraoxide (Co₃O₄) is the candidate for CO-PROX in a H₂ rich gas and could be an alternative ...Read more
Author:Jacobs, Clayton JeffreyDate:2016Despite the benefits of fuel cell technology its advancement to being commercially functional is hindered by a number of crucial factors. These factors are often associated with the lack of appropriate materials or manufacturing routes that ...Read more
Author:Hlabangana, NtandoyenkosiDate:2015Polymer electrolyte fuel cells have shown great potential in providing clean energy with no emissions. The kinetics of the cathode reaction, i.e. the oxygen reduction reaction (ORR) are sluggish necessitating high loadings of the catalyst ...Read more
Author:Van Niekerk, WesleyDate:2017A wash-coating method which had originally been used for wash-coating a Rh/Al₂O₃ catalyst onto stainless steel micro-channels (MC) for the reforming of propane [24] was tested in the steam reforming of methane. The robustness of this method ...Read more
Author:Nozonke, DumaniDate:2013The aim of this study was to investigate the effect of iron on alumina-supported well defined nano-sized rhodium crystallites on the activity and selectivity for CO hydrogenation. The objective was to prepare model catalysts with similar ...Read more
Author:Hunt, Raymond CedrickDate:2005In the natural (phenolic material obtained from coal) phenolics industry two problems are experienced with regards to cresol isomers. Firstly, insufficient quantities are recovered from natural sources such as coal tar and refinery caustics ...Read more
Author:Brown, Darryl EdwardDate:2018As the global population grows, so does the world's demand for energy. Consequently, there exists an increased interest in the development of fuel cells for power generation due to their low greenhouse gas emissions. For fuel cells to be a ...Read more
Author:Roberts, StephenDate:2001The ultimate objective of the study was to investigate the performance of suitably prepared gold catalysts for low temperature water gas shift (LTS) - and more specifically to investigate the performance of these catalysts at temperatures ...Read more
Author:Nel, DayleDate: 2018In the petrochemical industry, bifunctional hydrocracking is used to further refine long chain hydrocarbon product molecules into smaller, more valuable fragments (such as diesel and aviation fuel). The current study is focused on using ...Read more