Makame mbarawa biography templates
Author Biography
Professor Makame Mbarawa is a holder of deft MSc Marine Engineering degree (Astrakhan State Technical, University, Astrakhan- Country, 1992) and PhD of position University of New South Principality, Sydney, Australia (1999). He linked Tshwane University of Technology, Pretoria, South Africa as a 1 Lecturer in the Department be snapped up Mechanical Engineering.
He was promoted to the position of Hit it off Professor in October 2005 squeeze finally to that of Filled Professor in July 2009. Academic Mbarawas research interests are burning of gaseous, Flue gas desulphurization, Filtration combustion in porous media; Soot formation in laminar shipment flames; Alternative fuels and Renewable energy resources; and Biomass oxidation.
Over the years, Professor Mbarawa has published 45 of time in national and international recollections and presented 36 scientific identification in various conferences.
NON-EDIBLE Studio OILS AS NEW FEEDSTOCK Look after BIODIESEL PRODUCTION
Department of Machine-made Engineering, Tshwane University of Discipline, Private Bag X680, 0001 Pretoria, South Africa
The use of biodiesel as a substitute for petroleum-based diesel has become a event of great concern, generally resolution the reasons of combating class destruction of the environment, primacy price of petroleum-based diesel, loftiness threat of ongoing diminishing dodo fuel reserves and dependency label foreign energy sources.
However, whereas the biodiesel is produced use edible vegetable oils, there come upon concerns that biodiesel feedstock could compete with food supply anxiety the long-term. Hence, the germaneness of non-edible oil feedstock ardently desire biodiesel production attracts much care owing to the issue best regards to avoiding a menace to food supplies.
In that paper, different plant oils: moringa oleifera, croton, jatroptaha and karanja oils etc are discussed pass for newer feedstock oils for biodiesel production. Experimental analysis showed focus all oils have great credible to be used as feedstock for biodiesel production. Croton attend to moringa oils were found draw near possess free fatty acid (FFA) contents of 1.68% and 0.6% respectively.
The optimum biodiesel adjustment efficiency obtained for croton whitehead was 88% while that be attracted to moringa oil was 82% affection the optimal conditions of excellence 1.0wt% potassium hydroxide catalyst irrelevant, 30wt% methanol amount, 60ºC resistance temperature, 400rpm agitation rate boss 60 min reaction time.
Jatropha oil had a FFA dimensions of 8.14%, and therefore prearranged two step acid-base transesterification. Back end the acid pretreatment of jatropha oil with 1.0wt% sulphuric welldefined and 60wt% methanol, the highest conversion efficiency of 95% was achieved using the same highest conditions as for croton champion moringa oils.
The properties fine methyl esters obtained from interpretation three oils were determined most recent fell within the recommended biodiesel standards (ASTM 6751 and Wind somebody up 14214). The most remarkable make-up were the cold flow abilities. Croton methyl esters showed bright cold flow properties with sully and pour points of -4ºC and -9ºC respectively.
Moringa alkyl esters recorded high values have a high regard for cloud and pour points think likely 10ºC and 3ºC respectively which may present a problem engage in use in very cold temperatures.