Optimisation of Acid Hydrolysis in Ethanol Production from Prosopis Juliflora

2014 ◽  
Vol 2 (6) ◽  
pp. 127 ◽  
Author(s):  
Temesgen Atnafu Yemata
Keyword(s):  
Ethanol Production ◽  
Acid Hydrolysis ◽  
Prosopis Juliflora

scholarly journals Acid hydrolysis optimization of cocoa pod shell using response surface methodology approach toward ethanol production

2018 ◽  
Vol 52 (6) ◽  
pp. 581-587
Author(s):  
Vinayaka B. Shet ◽  
Nisha sanil ◽  
Manasa Bhat ◽  
Manasa Naik ◽  
Leah Natasha Mascarenhas ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Ethanol Production ◽  
Acid Hydrolysis ◽  
Response Surface

Prosopis juliflora—A Potential Problematic Weed for Lignocellulosic Ethanol Production

2017 ◽  
pp. 191-206 ◽  
Author(s):  
Vijayakumar Palled ◽  
M. Anantachar ◽  
M. Veerangouda ◽  
K. V. Prakash ◽  
C. T. Ramachandra ◽  
...  
Keyword(s):  
Ethanol Production ◽  
Prosopis Juliflora ◽  
Lignocellulosic Ethanol

scholarly journals Prosopis juliflora pods mash for biofuel energy production: Implication for managing invasive species through utilization

2018 ◽  
Vol 7 (3) ◽  
pp. 205-212
Author(s):  
Mebrahtu Haile ◽  
Hadgu Hishe ◽  
Desta Gebremedhin
Keyword(s):  
Invasive Species ◽  
Ethanol Production ◽  
Solid Waste ◽  
Acid Concentration ◽  
Solid Fuel ◽  
Energy Production ◽  
Prosopis Juliflora ◽  
Optimum Conditions ◽  
H2so4 Concentration ◽  
Fermentation Temperature

Fuels obtained from renewable resources have merited a lot of enthusiasm amid the previous decades mostly because of worries about fossil fuel depletion and climate change. The aim of this study was to investigate the potential of Prosopis juliflora pods mash for bio-ethanol production and its hydrolysis solid waste for solid fuel. Parameters such as acid concentration (0.5 - 3 molar), hydrolysis times (5-30 min), fermentation times (6-72h), fermentation temperature (25 OC - 40 OC) and pH (4-8) on bio-ethanol production using Saccharomyces cerevisiae yeast were evaluated. Results show that the content of sugar increases as the acid concentration (H2SO4) increased up to 1 molar and decreases beyond 1 molar.  A maximum sugar content of 96.13 %v/v was obtained at 1 molar of H2SO4 concentration. The optimum conditions for bio-ethanol production were found at 1 molar of H2SO4 concentration (4.2 %v/v), 48 h fermentation time (5.1%v/v), 20 min hydrolysis time (5.57 %v/v), 30 OC fermentation temperature (5.57 %v/v) and pH 5 (6.01 %v/v). Under these optimum conditions, the maximum yield of bio-ethanol (6.01%v/v) was obtained. Furthermore, the solid waste remaining after bio-ethanol production was evaluated for solid fuel application (18.22 MJ/kg). Hence, the results show that Prosopis juliflora pods mash has the potential to produce bio-ethanol. The preliminary analysis of solid waste after hydrolysis suggests the possibility to use it as a solid fuel, implying its potential for alleviating major disposal problems.Article History: Received March 24th 2018 ; Received in revised form September 15th 2018; Accepted October 1st 2018; Available onlineHow to Cite This Article: Haile, M., Hishe, H. and Gebremedhin, D. (2018) Prosopis juliflora Pods Mash for Biofuel Energy Production: Implication for Managing Invasive Species through Utilization. International Journal of Renewable Energy Development, 7(3), 205-212.https://doi.org/10.14710/ijred.7.3.205-212 

scholarly journals Impact of dual temperature profile in dilute acid hydrolysis of spruce for ethanol production

2010 ◽  
Vol 3 (1) ◽  
pp. 15 ◽  
Author(s):  
Peter Bösch ◽  
Ola Wallberg ◽  
Elisabeth Joelsson ◽  
Mats Galbe ◽  
Guido Zacchi
Keyword(s):  
Ethanol Production ◽  
Acid Hydrolysis ◽  
Temperature Profile ◽  
Dilute Acid ◽  
Dilute Acid Hydrolysis ◽  
Hydrolysis Of

Combined heat treatment and acid hydrolysis of cassava grate waste (CGW) biomass for ethanol production

1997 ◽  
Vol 17 (1) ◽  
pp. 91-96 ◽  
Author(s):  
R.C. Agu ◽  
A.E. Amadife ◽  
C.M. Ude ◽  
A. Onyia ◽  
E.O. Ogu ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Ethanol Production ◽  
Acid Hydrolysis ◽  
Hydrolysis Of

scholarly journals Production of ethanol from mesquite [Prosopis juliflora (SW) D.C.] pods mash by Zymomonas mobilis in submerged fermentation

2011 ◽  
Vol 68 (1) ◽  
pp. 124-127 ◽  
Author(s):  
Celiane Gomes Maia da Silva ◽  
Samara Alvachian Cardoso Andrade ◽  
Alexandre Ricardo Pereira Schuler ◽  
Evandro Leite de Souza ◽  
Tânia Lúcia Montenegro Stamford
Keyword(s):  
Ethanol Production ◽  
Submerged Fermentation ◽  
Arid Region ◽  
Low Cost ◽  
Prosopis Juliflora ◽  
Raw Material ◽  
Tropical Plant ◽  
Ethanol Yields ◽  
Semi Arid Region ◽  
Semi Arid

Mesquite [Prosopis juliflora (SW) D.C.], a perennial tropical plant commonly found in Brazilian semi-arid region, is a viable raw material for fermentative processes because of its low cost and production of pods with high content of hydrolysable sugars which generate many compounds, including ethanol. This study aimed to evaluate the use of mesquite pods as substrate for ethanol production by Z. mobilis UFPEDA205 in a submerged fermentation. The fermentation was assessed for rate of substrate yield to ethanol, rate of ethanol production and efficiency of fermentation. The very close theoretical (170 g L-1) and experimental (165 g L-1) maximum ethanol yields were achieved at 36 h of fermentation. The highest counts of Z. mobilis UFEPEDA-205 (both close to 6 Log cfu mL-1) were also noted at 36 h. Highest rates of substrate yield to ethanol (0.44 g ethanol g glucose-1), of ethanol production (4.69 g L-1 h-1) and of efficiency of fermentation (86.81%) were found after 30 h. These findings suggest mesquite pods as an interesting substrate for ethanol production using submerged fermentation by Z. mobilis.

Enhancement of Ethanol Production via Hyper Thermal Acid Hydrolysis and Co-Fermentation Using Waste Seaweed from Gwangalli Beach, Busan, Korea

2018 ◽  
Vol 28 (3) ◽  
pp. 401-408 ◽  
Author(s):  
In Yung Sunwoo ◽  
Trung Hau Nguyen ◽  
Pailin Sukwong ◽  
Gwi-Teak Jeong ◽  
Sung-Koo Kim
Keyword(s):  
Ethanol Production ◽  
Acid Hydrolysis ◽  
Thermal Acid Hydrolysis
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