Results 31 to 40 of about 68,252 (291)

Impurities of crude glycerol and their effect on metabolite production [PDF]

open access: yesAnnals of Microbiology, 2013
Glycerol is a valuable raw material for the production of industrially useful metabolites. Among many promising applications for the use of glycerol is its bioconversion to high value-added compounds, such as 1,3-propanediol (1,3-PD), succinate, ethanol, propionate, and hydrogen, through microbial fermentation.
Samul, Dorota   +2 more
openaire   +2 more sources

The quality of crude glycerine influences the fermentation and nutritive value of Piatã grass silage

open access: yesRevista Brasileira de Zootecnia, 2020
We aimed to evaluate the effects of crude glycerine purity and levels of glycerol on the fermentative profile, microorganisms counting, and nutritional value of Piatã grass silage. The experiment was carried out in a 3×3+1 completely randomized factorial
Alice Watte Schwingel   +6 more
doaj   +1 more source

Hydrogen Production from Supercritical Water Gasification of Model Compounds of Crude Glycerol from Biodiesel Industries

open access: yesEnergies, 2023
Biodiesel production through transesterification results in a large quantity of crude glycerol as a byproduct, the utilization of which is technically and economically challenging.
Kapil Khandelwal   +3 more
doaj   +1 more source

Two-Step Purification of Glycerol as a Value Added by Product From the Biodiesel Production Process

open access: yesFrontiers in Chemistry, 2019
For every ton of biodiesel produced, about 100 kg of glycerol is also generated as a by-product. The traditional method of removing glycerol is mainly by gravity separation or centrifugation.
Abdul Aziz Abdul Raman   +2 more
doaj   +1 more source

Organic Carbonate Production Utilizing Crude Glycerol Derived as By-Product of Biodiesel Production: A Review

open access: yesEnergies, 2020
As a promising alternative renewable liquid fuel, biodiesel production has increased and eventually led to an increase in the production of its by-product, crude glycerol. The vast generation of glycerol has surpassed the market demand.
Saifuddin Nomanbhay   +5 more
doaj   +1 more source

Preparation and Uses of Chlorinated Glycerol Derivatives

open access: yesMolecules, 2020
Crude glycerol (C3H8O3) is a major by-product of biodiesel production from vegetable oils and animal fats. The increased biodiesel production in the last two decades has forced glycerol production up and prices down.
Anna Canela-Xandri   +4 more
doaj   +1 more source

Changes in freshwater sediment microbial populations during fermentation of crude glycerol

open access: yesElectronic Journal of Biotechnology, 2021
Background: This work studied how the exposure to an unusual substrate forced a change in microbial populations during anaerobic fermentation of crude glycerol, a by-product of biodiesel production, with freshwater sediment used as an inoculum.
Matiss Paiders   +5 more
doaj   +1 more source

Experimental and Simulation Studies for Purification and Etherification of Glycerol from the Biodiesel Industry

open access: yesAppliedChem, 2023
In this study, a purification route was applied to crude glycerol and its valorization via etherification was evaluated. Crude glycerol samples were obtained through transesterification reactions of soybean oil with methanol using potassium hydroxide as ...
Silvia S. O. Silva   +4 more
doaj   +1 more source

Effect of Adding Crude Glycerol Produced from Biodiesel Industry on Biogas Production from Anaerobic Digestion of Cattle Dung [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2018
Effect of crude glycerol addition to cattle dung on biogas generation and methane percentage was studied. Five percentages of crude glycerol were added to cattle dung during the anaerobic digestion process. The crude percentages ranged from 1 to 5% based
M. Zayed
doaj   +1 more source

Techno-economic analysis of glycerol carbonate production by glycerolysis of crude glycerol and urea with multi-functional reactive distillation

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
Waste crude glycerol from the production of biodiesel could be used as a raw material for a product with added value. The purpose of this research was to assess the technical and economic aspects of the production process for glycerol carbonate.
Jakkrapong Jitjamnong   +3 more
doaj   +1 more source

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