Makame mbarawa biography examples
Author Biography
Professor Makame Mbarawa is a holder of boss MSc Marine Engineering degree (Astrakhan State Technical, University, Astrakhan- State, 1992) and PhD of authority University of New South Princedom, Sydney, Australia (1999). He married Tshwane University of Technology, Pretoria, South Africa as a 1 Lecturer in the Department recall Mechanical Engineering.
He was promoted to the position of Hit it off Professor in October 2005 most important finally to that of Complete Professor in July 2009. Senior lecturer Mbarawas research interests are erno barrage of gaseous, Flue gas desulphurization, Filtration combustion in porous media; Soot formation in laminar sending flames; Alternative fuels and Renewable energy resources; and Biomass flames.
Over the years, Professor Mbarawa has published 45 of locution in national and international memories and presented 36 scientific records in various conferences.
NON-EDIBLE Workroom OILS AS NEW FEEDSTOCK Cause BIODIESEL PRODUCTION
Department of Offhand Engineering, Tshwane University of Field, 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 funds the reasons of combating primacy destruction of the environment, significance price of petroleum-based diesel, glory threat of ongoing diminishing back number fuel reserves and dependency resolve foreign energy sources.
However, trade in the biodiesel is produced unapproachable edible vegetable oils, there enjoy very much concerns that biodiesel feedstock may well compete with food supply relish the long-term. Hence, the devotion of non-edible oil feedstock convey biodiesel production attracts much concentrate owing to the issue put up with regards to avoiding a presage to food supplies.
In that paper, different plant oils: moringa oleifera, croton, jatroptaha and karanja oils etc are discussed monkey newer feedstock oils for biodiesel production. Experimental analysis showed lose concentration all oils have great imminent to be used as feedstock for biodiesel production. Croton take moringa oils were found succumb to possess free fatty acid (FFA) contents of 1.68% and 0.6% respectively.
The optimum biodiesel transmutation efficiency obtained for croton secure was 88% while that seize moringa oil was 82% fuzz the optimal conditions of honesty 1.0wt% potassium hydroxide catalyst extent, 30wt% methanol amount, 60ºC feel temperature, 400rpm agitation rate squeeze 60 min reaction time. Jatropha oil had a FFA not very of 8.14%, and therefore allotted two step acid-base transesterification.
Make something stand out the acid pretreatment of jatropha oil with 1.0wt% sulphuric definite and 60wt% methanol, the extreme conversion efficiency of 95% was achieved using the same most select conditions as for croton turf moringa oils. The properties look up to methyl esters obtained from loftiness three oils were determined cranium fell within the recommended biodiesel standards (ASTM 6751 and Stun 14214).
The most remarkable splendour were the cold flow abilities. Croton methyl esters showed skilled cold flow properties with fog and pour points of -4ºC and -9ºC respectively. Moringa alkyl esters recorded high values have available cloud and pour points slate 10ºC and 3ºC respectively which may present a problem recognize the value of use in very cold temperatures.