scholarly journals Enzymatic and Dilute Acid Hydrolyses of Maize Stalk Substrate in Bio-ethanol Production

2021 ◽  
Vol 6 (1) ◽  
pp. 24
Author(s):  
Kolajo Tolulope Eunice
Keyword(s):  
Ethanol Production ◽  
Dilute Acid

Full-scale On-farm Pretreatment of Perennial Grasses with Dilute Acid for Fuel Ethanol Production

2010 ◽  
Vol 3 (4) ◽  
pp. 335-341 ◽  
Author(s):  
Matthew Francis Digman ◽  
Kevin J. Shinners ◽  
Richard E. Muck ◽  
Bruce S. Dien
Keyword(s):  
Ethanol Production ◽  
Fuel Ethanol ◽  
Full Scale ◽  
Perennial Grasses ◽  
Dilute Acid ◽  
On Farm

Acetone, butanol, and ethanol production from puerariae slag hydrolysate through ultrasound-assisted dilute acid by Clostridium beijerinckii YBS3

2020 ◽  
Vol 316 ◽  
pp. 123899
Author(s):  
Zhi-you Zhou ◽  
Shang-tian Yang ◽  
Curtis D. Moore ◽  
Qing-hua Zhang ◽  
Shuai-ying Peng ◽  
...  
Keyword(s):  
Ethanol Production ◽  
Clostridium Beijerinckii ◽  
Dilute Acid ◽  
Ultrasound Assisted

Pilot-Scale On-Farm Pretreatment of Perennial Grasses with Dilute Acid and Alkali for Fuel Ethanol Production

2010 ◽  
Vol 53 (3) ◽  
pp. 1007-1014 ◽  
Author(s):  
M. F. Digman ◽  
K. J. Shinners ◽  
R. E. Muck ◽  
B. S. Dien
Keyword(s):  
Ethanol Production ◽  
Pilot Scale ◽  
Fuel Ethanol ◽  
Perennial Grasses ◽  
Dilute Acid ◽  
On Farm

scholarly journals Ethanol Production from Nondetoxified Dilute-Acid Lignocellulosic Hydrolysate by Cocultures of Saccharomyces cerevisiae Y5 and Pichia stipitis CBS6054

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Ping Wan ◽  
Dongmei Zhai ◽  
Zhen Wang ◽  
Xiushan Yang ◽  
Shen Tian
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Ethanol Production ◽  
Ethanol Concentration ◽  
Ethanol Yield ◽  
Synthetic Medium ◽  
Pichia Stipitis ◽  
Dilute Acid ◽  
Acid Hydrolysate ◽  
Issatchenkia Orientalis ◽  
Final Ethanol Concentration

Saccharomyces cerevisiae Y5 (CGMCC no. 2660) and Issatchenkia orientalis Y4 (CGMCC no. 2159) were combined individually with Pichia stipitis CBS6054 to establish the cocultures of Y5 + CBS6054 and Y4 + CBS6054. The coculture Y5 + CBS6054 effectively metabolized furfural and HMF and converted xylose and glucose mixture to ethanol with ethanol concentration of 16.6 g/L and ethanol yield of 0.46 g ethanol/g sugar, corresponding to 91.2% of the maximal theoretical value in synthetic medium. Accordingly, the nondetoxified dilute-acid hydrolysate was used to produce ethanol by co-culture Y5 + CBS6054. The co-culture consumed glucose along with furfural and HMF completely in 12 h, and all xylose within 96 h, resulting in a final ethanol concentration of 27.4 g/L and ethanol yield of 0.43 g ethanol/g sugar, corresponding to 85.1% of the maximal theoretical value. The results indicated that the co-culture of Y5 + CBS6054 was a satisfying combination for ethanol production from non-detoxified dilute-acid lignocellulosic hydrolysates. This co-culture showed a promising prospect for industrial application.

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

ChemInform Abstract: An Evaluation of Dilute Acid and Ammonia Fiber Explosion Pretreatment for Cellulosic Ethanol Production

ChemInform ◽  
2016 ◽  
Vol 47 (14) ◽  
Author(s):  
Anil Kuruvilla Mathew ◽  
Binod Parameshwaran ◽  
Rajeev Kumar Sukumaran ◽  
Ashok Pandey
Keyword(s):  
Ethanol Production ◽  
Cellulosic Ethanol ◽  
Dilute Acid ◽  
Ammonia Fiber Explosion

scholarly journals Dilute acid hydrolysis of wastes of fruits from Amazon for ethanol production

2021 ◽  
Vol 8 (3) ◽  
pp. 221-234
Author(s):  
Flávia Fernandes ◽  
◽  
Amanda Farias ◽  
Livia Carneiro ◽  
Ralyvan Santos ◽  
...  
Keyword(s):  
Ethanol Production ◽  
Reducing Sugars ◽  
Bactris Gasipaes ◽  
Euterpe Oleracea ◽  
Dilute Acid ◽  
Liquid Ratio ◽  
Dilute Acid Hydrolysis ◽  
Hydrolysis Time ◽  
Astrocaryum Aculeatum ◽  
Hydrolysis Of

<abstract> <p>This study carried out the screening of wastes from Amazon plants to produce hydrolysates with a high monosaccharides content for ethanol production. Initially, we hydrolyzed (diluted acid) Amazon wastes (peel from the fruit of <italic>Astrocaryum aculeatum</italic> Meyer, peel from the fruit of <italic>Bactris gasipaes</italic> Kunth, straw obtained from endocarp of the fruit of <italic>Euterpe oleracea</italic> Mart., peel from the fruit of <italic>Theobroma grandiflorum</italic> Schumann and peel from the root of <italic>Manihot esculenta</italic> Crant) to obtain hydrolysates with the high content of fermentable sugars. Then, we investigated by 2<sup>3</sup> factorial design the influence of the factors: a) hydrolysis time (min); b) H<sub>2</sub>SO<sub>4</sub>-to-waste ratio (g/g) and c) solid-to-liquid ratio (g/mL) in the variables reducing sugars and furans. The hydrolysis of the peel of the fruit of <italic>Bactris gasipaes</italic> resulted in the highest concentration of reducing sugars (23.7 g/L). After detoxification and concentration process, the <italic>Bactris gasipaes</italic> hydrolysate results in 96.7 g/L of reducing sugars largely fermentable (90%) by <italic>Saccharomyces cerevisiae</italic> PE-2. The experimental design demonstrated that the factors H<sub>2</sub>SO<sub>4</sub>-to-waste ratio (g/g) and solid-to-liquid ratio (g/mL) were the most significant affecting the final content of reducing sugars and furans in the hydrolysate of the peel of <italic>Bactris gasipaes</italic>. Hydrolysis time of 4.4 min, H<sub>2</sub>SO<sub>4</sub>-to-waste ratio of 0.63 g/g, and the solid-to-liquid ratio of 0.17 g/mL resulted in the concentration of reducing sugars of 49 g/L. This study shows the potential of peels from the fruit of <italic>Bactris gasipaes</italic> to produce ethanol.</p> </abstract>

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