E-ISSN 2705-3954 | ISSN 0794-4756
 

Original Research 


Glucose Production from Elephant Grass(Pennisetum purpureum)

Abdullahi JIBRIL; Benjamin ADEREMI; Omuyar MOMOH; Ebenezer OJO; Bilyaminu ABDULMUMIN.

Abstract
Aforetime, corn, rice, sorghum, wheat and cassava are the main sources of glucose production. But recently, agricultural
wastes and grasses are trending alternative biomasses for glucose production in quest to avoid food -energy conflict. In this
work, the effects of pretreatment (hot water, 0.2 M NH4OH, 1 M NH4OH and 3 M NH4OH respectively) and various hydrolysis
variables (time, 8 – 72 hours; pH, 3.5 – 6.5; temperature, 30 – 60oC; particle size range, 75 – 600 μm; substrate
concentration, 5 – 100 g/l; and cell loading, 0.1 – 1.0 g) on glucose production from elephant grass have been investigated.
The elephant grass was characterized to determine its constituents i.e. cellulose, hemicellulose and lignin contents. The
traditional unifactorial approach was followed to obtain the process optimum variables as 24 hours, 45 oC, 4.5, 20 g/l, 100 –
150 μm and 1.0 g for hydrolysis time, temperature, pH, initial substrate concentration, particles size range, and cell loadin g
respectively. Glucose production at the obtained optimum conditions gave a glucose yield of 82.6 %. A kinetic model, is
established based on Michelis- Menten’s approach. The glucose yield obtained showed that the process is viable and the rate
equation was statistically consistent, with correlation coefficient value of 0.9963, which is good for reactor design and process
analysis.

Key words: Biomass, Aspergillus niger, enzymatic hydrolysis, glucose, kinetic model


 
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How to Cite this Article
Pubmed Style

JIBRIL A, ADEREMI B, MOMOH O, OJO E, ABDULMUMIN B. Glucose Production from Elephant Grass(Pennisetum purpureum). NJE. 2020; 27(3): 1-9.


Web Style

JIBRIL A, ADEREMI B, MOMOH O, OJO E, ABDULMUMIN B. Glucose Production from Elephant Grass(Pennisetum purpureum). http://www.njeabu.com.ng/?mno=35333 [Access: December 26, 2020].


AMA (American Medical Association) Style

JIBRIL A, ADEREMI B, MOMOH O, OJO E, ABDULMUMIN B. Glucose Production from Elephant Grass(Pennisetum purpureum). NJE. 2020; 27(3): 1-9.



Vancouver/ICMJE Style

JIBRIL A, ADEREMI B, MOMOH O, OJO E, ABDULMUMIN B. Glucose Production from Elephant Grass(Pennisetum purpureum). NJE. (2020), [cited December 26, 2020]; 27(3): 1-9.



Harvard Style

JIBRIL, A., ADEREMI, . B., MOMOH, . O., OJO, . E. & ABDULMUMIN, . B. (2020) Glucose Production from Elephant Grass(Pennisetum purpureum). NJE, 27 (3), 1-9.



Turabian Style

JIBRIL, Abdullahi, Benjamin ADEREMI, Omuyar MOMOH, Ebenezer OJO, and Bilyaminu ABDULMUMIN. 2020. Glucose Production from Elephant Grass(Pennisetum purpureum). Nigerian Journal of Engineering, 27 (3), 1-9.



Chicago Style

JIBRIL, Abdullahi, Benjamin ADEREMI, Omuyar MOMOH, Ebenezer OJO, and Bilyaminu ABDULMUMIN. "Glucose Production from Elephant Grass(Pennisetum purpureum)." Nigerian Journal of Engineering 27 (2020), 1-9.



MLA (The Modern Language Association) Style

JIBRIL, Abdullahi, Benjamin ADEREMI, Omuyar MOMOH, Ebenezer OJO, and Bilyaminu ABDULMUMIN. "Glucose Production from Elephant Grass(Pennisetum purpureum)." Nigerian Journal of Engineering 27.3 (2020), 1-9. Print.



APA (American Psychological Association) Style

JIBRIL, A., ADEREMI, . B., MOMOH, . O., OJO, . E. & ABDULMUMIN, . B. (2020) Glucose Production from Elephant Grass(Pennisetum purpureum). Nigerian Journal of Engineering, 27 (3), 1-9.