Biological production and recovery of 2,3-butanediol using arabinose from sugar beet pulp by Enterobacter ludwigii

Narisetty, Vivek; Narisetty, Sudheera; Jacob, Samuel; Kumar, Deepak; Leeke, Gary A.; Chandel, Anuj K.; Singh, Vijai; Srivastava, Vimal Chandra; Kumar, Vinod

doi:10.1016/j.renene.2022.04.024

Cited by 12 publications

(6 citation statements)

References 25 publications

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“…The glucose concentration of 50 g L −1 may also have contributed to its incomplete consumption by P. peoriae NRRL BD-62 due to its difficulty metabolizing the substrate under nutritional limitations. 40 3.1.2. Effects of initial C/N ratio on constant feeding.…”

Section: Resultsmentioning

confidence: 99%

Relationship between feeding strategies and nitrogen sources in platform chemical bio-based 2,3-butanediol production in fed-batch fermentation

Tinôco,

de Castro,

Teixeira

et al. 2023

React. Chem. Eng.

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Section: Resultsmentioning

confidence: 99%

Relationship between feeding strategies and nitrogen sources in platform chemical bio-based 2,3-butanediol production in fed-batch fermentation

Tinôco,

de Castro,

Teixeira

et al. 2023

React. Chem. Eng.

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“…The carbon loss in the form of CO 2 during BDO fermentation is inevitable, and besides, a substantial amount of carbon is lost in the form of byproducts. In our previous work, ∼30% carbon was lost in the form of CO 2 largely generated during biosynthesis of BDO and acetoin, and about 22–24% was lost due to the byproduct formation including ethanol, acetic, succinic, and lactic acid. , For TEA, we have not considered the formation of byproducts in our analysis; however, the BDO yield is considered in the process model, which forms the basis of our work and does take care of the carbon loss in form of CO 2 and byproducts.…”

Section: Methodsmentioning

confidence: 99%

Techno-Economic Analysis of 2,3-Butanediol Production from Sugarcane Bagasse

Gadkari

Narisetty

Maity

et al. 2023

ACS Sustainable Chem. Eng.

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Sugarcane bagasse (SCB) is a significant agricultural residue generated by sugar mills based on sugarcane crop. Valorizing carbohydrate-rich SCB provides an opportunity to improve the profitability of sugar mills with simultaneous production of value-added chemicals, such as 2,3-butanediol (BDO). BDO is a prospective platform chemical with multitude of applications and huge derivative potential. This work presents the techno-economic and profitability analysis for fermentative production of BDO utilizing 96 MT of SCB per day. The study considers plant operation in five scenarios representing the biorefinery annexed to a sugar mill, centralized and decentralized units, and conversion of only xylose or total carbohydrates of SCB. Based on the analysis, the net unit production cost of BDO in the different scenarios ranged from 1.13 to 2.28 US$/kg, while the minimum selling price varied from 1.86 to 3.99 US$/kg. Use of the hemicellulose fraction alone was shown to result in an economically viable plant; however, this was dependent on the condition that the plant would be annexed to a sugar mill which could supply utilities and the feedstock free of cost. A standalone facility where the feedstock and utilities were procured was predicted to be economically feasible with a net present value of about 72 million US$, when both hemicellulose and cellulose fractions of SCB were utilized for BDO production. Sensitivity analysis was also conducted to highlight some key parameters affecting plant economics.

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“…The opposite was true for C6, which resulted in a lower Glu of 40% from pine [41] and 12% from softwood chips [42]. Similarly, 70% Ara recovery from sugar beet pulp was achieved with 2% H 2 SO 4 , while Glu was only 14% [43]. The structure of biomass is usually associated with acid hydrolysis intensity.…”

Section: Total Sugar Recoverymentioning

confidence: 99%

Screening the Lipid Production Potential of Oleaginous Yeast Yarrowia lipolytica under Wood Hydrolysates

2023

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Since Yarrowia lipolytica, an oily yeast, contains many valuable products as biomass, to increase its widespread use, it is very important to develop a sustainable production model. In this study, the production of high acid hydrolysate from sawdust biomass, which is produced in very high amounts in our environment, and the effect of these products on the growth efficiency of Yarrowia lipolytica were investigated. A preliminary statistical analysis was carried out to assess sugar production from sawdust by hydrolysis, which estimated 85% of total sugar recovery (TSR) using 96 g of sawdust, while TSR at the highest sawdust was as high as 79%. There was a higher loss in the recovery of C5 sugars with acid and time. This study revealed that Y. lipolytica could grow with high biomass yields in varying hydrolysate concentrations, approaching yields achieved in synthetic glucose media. The maximum biomass obtained was 13 and 26 g in batch and airlift operations, respectively, using organic nutrients. Biomass and lipid yields from kinetic modeling provided a close approximation to the experimental yields performed on an airlift reactor. It was found that Y. lipolytica biomass cultivated on sawdust hydrolysates had significant lipid and protein compositions, as high as 29 and 38%, respectively.

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Biological production and recovery of 2,3-butanediol using arabinose from sugar beet pulp by Enterobacter ludwigii

Cited by 12 publications

References 25 publications

Relationship between feeding strategies and nitrogen sources in platform chemical bio-based 2,3-butanediol production in fed-batch fermentation

Relationship between feeding strategies and nitrogen sources in platform chemical bio-based 2,3-butanediol production in fed-batch fermentation

Techno-Economic Analysis of 2,3-Butanediol Production from Sugarcane Bagasse

Screening the Lipid Production Potential of Oleaginous Yeast Yarrowia lipolytica under Wood Hydrolysates

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