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Start Over Author "Majid Majeed" Journal biomass conversion and biorefinery
5 results on '"Majid Majeed"'

3. Optimisation on pretreatment of kapok seed (Ceiba pentandra) oil via esterification reaction in an ultrasonic cavitation reactor

Author

Jiří Jaromír Klemeš, Sugesvarran Saminathan, Majid Majeed Akbar, Lai Fatt Chuah, Awais Bokhari, and Suzana Yusup

Subjects
Biodiesel, Materials science, Waste management, biology, Renewable Energy, Sustainability and the Environment, Ceiba, 020209 energy, 02 engineering and technology, biology.organism_classification, Catalysis, chemistry.chemical_compound, 020401 chemical engineering, chemistry, Chemical engineering, Ultrasonic cavitation, 0202 electrical engineering, electronic engineering, information engineering, Methanol, Response surface methodology, Esterification reaction, 0204 chemical engineering
Abstract

Pretreatment of the kapok seed oil via esterification reaction has been investigated by using an ultrasonic cavitation reactor. Reaction parameters have been optimised by using response surface methodology and found as methanol to oil ratio of 16.23:1, catalyst amount of 9.94 wt% and reaction time of 20.08 min at amplitude of 32.04 %. The significance of the reaction parameters toward free fatty acid reduction was in the order of amplitude > reaction time > molar ration of methanol to oil > catalyst amount. The reaction time and esterified efficiency of ultrasonic cavitation was 4.5-fold shorter and 10.5-fold higher than mechanical stirring. The reactant used per produced biodiesel in ultrasonic cavitation process was about 2.6 lower compared to mechanical stirring process.

Published
2016

5. Optimisation on pretreatment of kapok seed (Ceiba pentandra) oil via esterification reaction in an ultrasonic cavitation reactor

Author

Chuah, Lai Fatt, Bokhari, Awais, Yusup, Suzana, Klemeš, Jiří Jaromír, Akbar, Majid Majeed, and Saminathan, Sugesvarran

Abstract

Pretreatment of the kapok seed oil via esterification reaction has been investigated by using an ultrasonic cavitation reactor. Reaction parameters have been optimised by using response surface methodology and found as methanol to oil ratio of 16.23:1, catalyst amount of 9.94 wt% and reaction time of 20.08 min at amplitude of 32.04 %. The significance of the reaction parameters toward free fatty acid reduction was in the order of amplitude > reaction time > molar ration of methanol to oil > catalyst amount. The reaction time and esterified efficiency of ultrasonic cavitation was 4.5-fold shorter and 10.5-fold higher than mechanical stirring. The reactant used per produced biodiesel in ultrasonic cavitation process was about 2.6 lower compared to mechanical stirring process.

Published
2017
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