Object's details: The use of Giant Miscanthus (Miscanthus × Giganteus) in 2G bioethanol production

Provider:Biblioteka Cyfrowa Politechniki Koszalińskiej

Description

Title:
The use of Giant Miscanthus (Miscanthus × Giganteus) in 2G bioethanol production
Creator:
Smuga-Kogut, Małgorzata;
Bugajski, Sławomir;
Piskier, Tomasz;
Walendzik, Bartosz
Description:
The aim of the study was to conduct the process of bioethanol obtaining from biomass using chemical treatment and enzymatic hydrolysis. Different concentrations of sodium hydroxide (5 and 10%) were used for the delignification process, and enzymatic hydrolysis was carried out using three commercial cellulolytic preparations (Cellic® CTec2, cellulase from Trichoderma reesei and cellulase from Aspergillus species). The final step involved an alcoholic fermentation process using Saccharomyces cerevisiae TYPE II yeast. After enzymatic hydrolysis, the content of reducing sugars was determined in the samples, and the fermentation yield was controlled by determining the ethanol content by pycnometry. The use of chemical pretreatment increased the yield of the whole process by at least 50%. The content of reducing sugars after hydrolysis depended on the type of enzyme preparation used for hydrolysis and the use of NaOH in pretreatment. The highest content of reducing sugars (45.8 g/dm3) was achieved in a sample of material that was purified with 5% NaOH, and enzymatic hydrolysis was carried out using Cellic® CTec2. This means an efficiency of the enzymatic hydrolysis process equal to 94.69%. The concentration of bioethanol after alcoholic fermentation in this sample was 0.509 g/l.
Object availability:
free access
Rights:
internet;
Biblioteka Politechniki Koszalińskiej
Date:
2023.12.31;
2023
Type:
artykuł w czasopiśmie
Language:
English
Publisher:
Politechnika Koszalińska
Subject:
giant miscanthus;
bioethanol;
chemical treatment of biomass;
enzymatic hydrolysis;
alcoholic fermentation
Data provider:
Biblioteka Cyfrowa Politechniki Koszalińskiej

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Object's details: The use of Giant Miscanthus (Miscanthus × Giganteus) in 2G bioethanol production

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