Techno-Economic-Environmental Analysis of Sophorolipid Biosurfactant Production from Sugarcane Bagasse

Elias, Andrew M.; Longati, Andreza Aparecida; Ellamla, Harikishan R.; Furlan, Felipe F.; Ribeiro, Marcelo Perencin de Arruda; Marcelino, Paulo Ricardo Franco; Santos, Júlio César dos; Silva, Sílvio Silvério da; Giordano, Roberto de Campos

doi:10.1021/acs.iecr.1c00069

Cited by 24 publications

(10 citation statements)

References 69 publications

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“…However, these set parameters are unpredictable and have a high degree of uncertainty. 25 Thus, to better understand and estimate the risks of each analyzed BF case, it is essential to attribute a range of values and a probability distribution to each uncertain parameter. Uncertainty analysis simulations provide a probability density function of the output metric that considers the uncertainty associated with each parameter.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…Uncertainty analysis simulations provide a probability density function of the output metric that considers the uncertainty associated with each parameter. 25 After GSA execution, it was possible to discard the variables with less impact on the unconditional variance of the MBSP, according to the exclusion criteria adopted. The remaining, most significant process variables were utilized as input to execute the uncertainty analysis of the MBSP.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…24 The EMSO-Python integration is necessary for running the GSA and the UA because these procedures are unsuitable for equationoriented simulators. 25 Process Description. The techno-economic assessment (TEA) of biofertilizer production was based on three case studies.…”

Section: ■ Methodologymentioning

confidence: 99%

“…This procedure was used to perform the GSA through the SAlib Python package and the UA using the NumPy Python library . The EMSO-Python integration is necessary for running the GSA and the UA because these procedures are unsuitable for equation-oriented simulators …”

Section: Methodsmentioning

confidence: 99%

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Economic Aspects on the Production of Biofertilizers as Granular Composites

Elias

Favaro

Bettiol

et al. 2022

ACS Sustainable Chem. Eng.

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Biofertilizers that associate biological P-solubilization and plant disease control are sustainable alternatives to mitigate the impact of conventional phosphate fertilizers and agrochemicals in agriculture. However, the economic aspect is critical given that these bio-based products innovate in well-consolidated markets. Thus, we proposed and evaluated, from a techno-economic analysis (TEA) perspective, three different processes for biofertilizer production. The cases differ in terms of downstream processing and the use of single (SM) or double microorganisms (DM), following the concept of a granule bioreactor. In SM cases, Trichoderma asperelloides fungi act as a biocontrol agent, while in the DM case, Aspergillus niger fungi are added to promote P-solubilization. The lowest minimum biofertilizer selling price (MBSP) was US$1.06/kg, attributed to the cases with fewer downstream steps. Moreover, the global sensitivity and uncertainty analyses indicated that the substrate cost and the final product composition significantly impact the MBSP, which fluctuates from US$0.87 to 1.29/kg. These values demonstrate the biofertilizers’ competitiveness since, in addition to promoting soil fertilization, they can help control plant pathogens in a sustainable way.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Section: ■ Results and Discussionmentioning

confidence: 99%

Section: ■ Methodologymentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

Economic Aspects on the Production of Biofertilizers as Granular Composites

Elias

Favaro

Bettiol

et al. 2022

ACS Sustainable Chem. Eng.

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“…From these results, we derived the most promising process optimisation potentials that would have the most significant impact on the process economy. Others followed a similar approach for biosurfactants like sophorolipids, surfactin, rhamnolipids and other surfactants (Ashby et al, 2013;Czinkóczky and Németh, 2020;Wang et al, 2020;Ekpenyong et al, 2021;Elias et al, 2021;Moutinho et al, 2021). In comparison to their work, we present a more holistic approach that examines each process step along the whole fermentation and purification in order to identify process optimisation potential.…”

Section: Introductionmentioning

confidence: 99%

Techno-Economic Analysis as a Driver for Optimisation of Cellobiose Lipid Fermentation and Purification

Oraby

Rupp

Zibek

2022

Front. Bioeng. Biotechnol.

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Cellobiose lipids (CL) are glycolipids synthesized by Ustilaginaceae species with potential application as detergents or in cosmetics. This study identified process optimisation potential for CL fermentation based on process modelling and techno-economic analysis. Using a stoichiometric equation based on laboratory data, we calculated the maximum possible CL yield YP/S of 0.45 gCL·gglucose−1 at the biomass yield of 0.10 gBiomass·gglucose−1 with an Ustilago maydis strain. Due to substrate inhibition that may occur at high glucose concentrations, a fed-batch process to increase biomass and CL concentrations was considered in our model. Simulation of different process scenarios showed that the choice of aeration units with high oxygen transfer rates and adaptation of power input to oxygen uptake can significantly decrease electricity consumption. We further assessed scenarios with different fermentation media and CL purification methods, suggesting additional process optimisation potential. Here the omission of vitamins from the fermentation medium proved to be a possible mean to enhance process economy, without compromising CL productivity.

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