Comprehensive semestral report at Central Luzon State University-Center for Renewable Energy and Technology (CLSU-CREaTe)
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Date
2024
Authors
Jeramie M. Gambito
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Abstract
The field practice was conducted at Central Luzon State University-Center for Renewable Energ and Technology (CLSU-CREaTe) located at CLSU compound, Science City of Muñoz, Nueva Ecija from October to December 2023 and March to may 2024.
The field practice Activity 1 aimed to evaluate a 250L semi-automated bioreactor using AC and solar powered source. The specific objectives of this activity were to: 1) perform an evaluation of semi-0automated bioreactor using AC and solar powered source; 2) determine the fermentation efficiency of the semi-automated bioreactor using AC and solar powered source; and 3) comparison of power consumption of AC and solar powered source. The field practice activity 2 aimed to design an 800L tank capacity of bioethanol distiller. The specific objectives of this activity were to: 1) determine the optimum area and height of an 800L tank capacity bioethanol distiller, 2) determine the other components of the bioethanol distiller; 3) layout a design of a bioethanol distiller; and 4) prepare a bill of materials of the bioethanol distiller.
The field practice activity 3 aimed to perform other activities. The specific objective of this activity were to: 1) perform other activities that will be assigned by the director of center, the supervisor of student-trainee or any CLSU-CREaTe personnels; and 2) promotes the student's readiness and flexibility in their respective specialization.
The 250L semi-automated bioreactor was evaluated for fermentation efficiency using AC and solar power sources. The results showed a fermentation efficiency of 81.7% and 83.5% respectively. The AC source consumed 6.25 pesos, while solar power sustained the entire fermentation process of molasses. The bioethanol distiller's design, which holds a capacity of 800L includes a tank, reflux column, primary condenser, slanted secondary condenser, vertical secondary condenser and frame. The final dimensions were calculated to ensure the machine's efficiency and durability. Moreover, the student-trainee gained familiarity with several aspects of renewable energy, including participation in events, conducting machine assessment tests and engaging in equipment assembly during field practice time frame.