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Biochemical and molecular characterization of a novel glycerol dehydratase from Klebsiella pneumoniae 2e with high tolerance against crude glycerol impurities
BackgroundThe direct bioconversion of crude glycerol, a byproduct of biodiesel production, into 1,3-propanediol by microbial fermentation constitutes...
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Novel evolved Yarrowia lipolytica strains for enhanced growth and lipid content under high concentrations of crude glycerol
BackgroundYarrowia lipolytica is a well-studied oleaginous yeast known for its ability to accumulate and store intracellular lipids, while growing...
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Kinetics-based development of two-stage continuous fermentation of 1,3-propanediol from crude glycerol by Clostridium butyricum
BackgroundGlycerol, as a by-product, mainly derives from the conversion of many crops to biodiesel, ethanol, and fatty ester. Its bioconversion to...
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Isopropanol biosynthesis from crude glycerol using fatty acid precursors via engineered oleaginous yeast Yarrowia lipolytica
BackgroundIsopropanol is widely used as a biofuel and a disinfectant. Chemical preparation of isopropanol destroys the environment, which makes...
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Glycerol or crude glycerol as substrates make Pseudomonas aeruginosa achieve anaerobic production of rhamnolipids
BackgroundThe anaerobic production of rhamnolipids is significant in research and application, such as foamless fermentation and in situ production...
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Improvement of 1,3-propanediol production from crude glycerol by co-cultivation of anaerobic and facultative microbes under non-strictly anaerobic conditions
BackgroundNatural microbial consortia could efficiently produce 1,3-propanediol (1,3-PDO), a most promising bulk biochemical derived from glycerol...
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Assessment of glycerol gasification: devolatilization kinetics and parametric analysis
The forecasted need for diesel fuel continues to rise, and likewise, the competitive biodiesel demand in the middle- to long-term future remains...
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Valorization of waste glycerol into value-added dihydroxyacetone via microbial fermentation: feasibility study
The waste glycerol generated during biodiesel production can be converted into a value-added product like dihydroxyacetone (DHA). DHA is widely...
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A kinetic study on the depolymerization of polyethylene terephthalate waste with crude glycerol
The crude glycerol is the main by-product of biodiesel production and contains large amounts of potassium (or sodium) soap. These alkaline compounds...
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Itaconate Production from Crude Substrates with U. maydis: Scale-up of an Industrially Relevant Bioprocess
BackgroundIndustrial by-products accrue in most agricultural or food-related production processes, but additional value chains have already been...
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High value-added products derived from crude glycerol via microbial fermentation using Yarrowia clade yeast
BackgroundContemporary biotechnology focuses on many problems related to the functioning of developed societies. Many of these problems are related...
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High cell density sequential batch fermentation for enhanced propionic acid production from glucose and glycerol/glucose mixture using Acidipropionibacterium acidipropionici
BackgroundPropionic acid fermentation from renewable feedstock suffers from low volumetric productivity and final product concentration, which limits...
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Biosynthesis of Feruloyl Glycerol from Ferulic Acid and Glycerol Through a Two-Enzyme Cascade Reaction
Feruloyl glycerol (FG) has a variety of biological activities, but the green synthesis methods of FG remain rare. In this study, FG was prepared by a...
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Microbial lipid production from crude glycerol and hemicellulosic hydrolysate with oleaginous yeasts
BackgroundCrude glycerol (CG) and hemicellulose hydrolysate (HH) are low—value side-products of biodiesel transesterification and pulp—and paper...
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Effect of loading rate and pH on glycerol fermentation and microbial population in an upflow anaerobic filter reactor
A reactor with silicone tubes as support medium was used for glycerol fermentation. The experimental set-up consisted of three phases. In P1, the...
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Conceptual process and surrogate optimization of acrylonitrile production from glycerol via green propylene
Acrylonitrile is a commodity currently produced from petrochemical propylene, with significant economic importance. The development of a sustainable...
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Acetylation of glycerol for triacetin production over metal/non-metal doped cobalt ferrite nanocatalysts
Nitrogen/Sulphur/Zirconium doped cobalt ferrites were prepared by wet impregnation and coprecipitation techniques. The catalytic activities of the...
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Green extraction of anthocyanins from Syzygium cumini fruit pulp using aqueous glycerol through ultrasound-assisted extraction
Aqueous glycerol is a proposed green extractant for anthocyanins and polyphenols as an alternative to conventional solvents. The aim of this study...
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Enhanced glycerol assimilation and lipid production in Rhodotorula toruloides CBS14 upon addition of hemicellulose primarily correlates with early transcription of energy-metabolism-related genes
BackgroundLipid formation from glycerol was previously found to be activated in Rhodotorula toruloides when the yeast was cultivated in a mixture of...
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In situ carbon dioxide capture to co-produce 1,3-propanediol, biohydrogen and micro-nano calcium carbonate from crude glycerol by Clostridium butyricum
BackgroundClimate change caused by greenhouse gas emission has become a global hot topic. Although biotechnology is considered as an environmentally...
