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Content with label bioethanol-production in REBEL WP7: Bioenergy (See content from all spaces)
Related Labels: table, feedstock, hydrolysis, renewable-energy, bioenergy, wheat, classification, enzymes, bacteria, ethanol, figure, maize, sugar-beet, sweet-sorghum, thermochemical-process, cellulose, fungi, fed-batch, shf, more »

Page: Biochemistry and Microbiology
primary crops, currently being used or considered for ethanol production can be categorised by agricultural and processrelated properties. The concentration of fermentable carbohydrates and other parameters in feedstocks, used for ethanol production are highly variable (see table 1). !General ethanol feedstock ...
Other labels: carbohydrates, ethanol, feedstock, bioethanol, bioenergy, microbiology, biochemistry, figure
Page: Bioethanol Processing
use and combustion of fossil fuels is responsible for 73 % of the CO{}2 production in the atmosphere and therefore extremely contributes to global warming, the interest in the development of methods, reducing green house gases, has been increased enormously. In order to control such emissions, many ...
Other labels: biomass, renewable-energy, technology, fuel-properties, sources-of-energy, ethanol, feedstock, bioethanol
Page: Bioethanol production of 1st generation
Today, maize and sugar cane are the major feedstocks for world´s ethanol production with more than 50 billion litres of ethanol per year. In figure 1 and table 1, possible starchrich and sugarrich feedstocks for ethanol production, as well as their feedstock characteristics ...
Other labels: technology, feedstock, bioethanol, bioenergy, figure, table
Page: Bioethanol production of 2nd generation
Brazil, the production of bioethanol is based on sugar cane as feedstock, in the US and Europe, bioethanol is produced primarily from starch (cereal and corn). The European market in biofuels is expected to increase considerably in the near future. Within the next decade, a wider use of renewable ...
Other labels: biomass, lignocellulosic-materials, hemicellulose, milling, feedstock, bioethanol, bioenergy, lignin
Page: Feedstocks for bioethanol production
Feedstocks for biofuel production are e.g. plant oils sugar beets cereals organic waste processed biomass All feedstocks, which contain amounts of sugar, as well as materials, that can be converted to sugar (e.g. starch or cellulose) can be used in a fermentation ...
Other labels: biomass, plant-oils, sugar-beet, sugar-cane, feedstock, bioethanol, biofuel, bioenergy
Page: Fermentation
Lignocellulosic biomass is hydrolyzed by explained treatments (mostly by acid treatment) (chapter "Hydrolysis of lignocellulosic biomass). The obtained hydrolysate (mixed sugarsolution) is then fermented by microorganisms (e.g. bacteria, yeast). This hydrolysate (mixed sugarsolution) often contains not only glucose, but also other ...
Other labels: bacteria, fed-batch, lignocellulosic-materials, fermentation, bioethanol, bioenergy, yeasts, table
Page: Hydrolysis of lignocellulosic biomass
Hydrolysis is a chemical process, where a molecule is cleaved into two parts by adding a molecule of water. One fragment of the molecule gains a hydrogen ion (H ). The other group collects the remaining hydroxyl group (OH − ). After pretreatment of lignocellulosic material, the cellulose ...
Other labels: bacteria, sscf, ssf, fungi, shf, lignocellulosic-materials, fermentation, bioethanol
Page: Pre-treatment
Firstly, lignocellulosic material has to be sizereduced and pretreated for alteration and removal of structural and compositional impediments (physical disruption) to hydrolysis. Therefore, the rate of enzymatic hydrolysis as well as yields of accessible, fermentable sugars from cellulose and hemicellulose can be increased. Through pretreatment ...
Other labels: technology, pre-treatment, lignocellulosic-materials, bioethanol, bioenergy, figure, narrative-text
Page: Processing of lignocellulosic material to bioethanol
conversion of lignocellulosic material to monomeric sugars (e.g. C5 and C6 sugars) is more difficult than the conversion of starch. There are numerous features, which have to be considered additionally, compared to bioethanol production using sugar\ or starchbased feedstocks. One of them is an ...
Other labels: ssf, lignocellulosic-materials, fermentation, feedstock, bioethanol, biofuel, bioenergy, hydrolysis
Page: Product and solids recovery
When fermentation products are more volatile than water, recovery by distillation is often the used technology. Distillation means, that the bioethanol is separated from water in the liquid mixture. In virgin bioethanol, the content of water is normally higher than 80 %. In order to concentrate ...
Other labels: lignocellulosic-materials, bioethanol, bioenergy, product-recovery, distillation, narrative-text
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