Systematic design of separation process for bioethanol production from corn stover

Amornraksa, Suksun; Subsaipin, Ittipat; Simasatitkul, Lida; Assabumrungrat, Suttichai

doi:10.1186/s42480-020-00033-1

Cited by 18 publications

(17 citation statements)

References 34 publications

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“…Distillation columns are commonly used for the purification of ethanol. [ 30 ] The azeotrope between water and ethanol limits ethanol purification using distillation at ≈96% (by mass). [ 31 ] Using a different technology, such as membrane separation, would be necessary to reach higher purification of ethanol needed for certain uses.…”

Section: Resultsmentioning

confidence: 99%

A Technoeconomic Model Coupled with HYSYS to Analyze the Electroreduction of Carbon Dioxide to Ethanol

Pickett

Wu³

et al. 2023

Advcd Theory and Sims

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This research develops a technoeconomic analysis to study the profitability of ethanol production from CO 2 electroreduction. A HYSYS simulation is used to calculate the separation costs, a challenge in previous models available in literature. The profitability of a 10 000 kg per day CO 2 electroreduction plant to produce ethanol is studied. An optimization of the pressure swing adsorber and distillation tower, which greatly influence the total cost of the plant (≈20% of total cost), is carried out, obtaining a total cost of separation of £1.94 × 10 6 . The study demonstrates that reducing the voltage applied to values around 0.5 V, i.e., by increasing the pH up to 12 makes the process economically feasible with a current density over 15 mA cm −2 . It also shows that the process is economically feasible using a current density of 5 mA cm −2 if the electricity cost from renewable sources drops to 2.0 × 10 −2 £ kWh −1 . Finally, it is proved that if catalyst stability is not considered, some catalysts currently available in the literature can be used with a positive economic income. The results of this research show that the industrial electroreduction of ethanol can be feasible and can attract interest in the industrial adoption of the technology.

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Section: Resultsmentioning

confidence: 99%

A Technoeconomic Model Coupled with HYSYS to Analyze the Electroreduction of Carbon Dioxide to Ethanol

Pickett

Wu³

et al. 2023

Advcd Theory and Sims

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show abstract

“…The proportion of beeswax affects the matte texture of the film, with a higher proportion resulting in a stronger matte feel [35,36]. Considering that the addition of beeswax accelerates the solidification of the mixed solution, an excessive amount of beeswax can lead to overly thick solutions, affecting the smoothness of the spreading process after pouring the solution into the mould, ultimately impacting the uniformity of the film thickness.…”

Section: Smoothness and Waterproofingmentioning

confidence: 99%

Eco-Innovation: Corn Stover as the Biomaterial in Packaging Designs

Duan,

Zhang,

et al. 2024

Sustainability

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Shandong, China’s largest agricultural province, generates a massive amount of agricultural waste each year, with corn stover being the predominant type. Although current agricultural waste management primarily involves sustainable practices carried out by professional companies, this study seeks to explore a simpler, more accessible method of handling stover waste. Guided by positivist theory and several experiments, a formula was developed, primarily composed of corn stover powder and natural substances such as glycerin. In this process, we designed and implemented four control experimental groups with water as the quantity used to investigate the influence of different material content in the formula. The resultant material was then subjected to property analyses, including tests on colouration, toughness, etc. Ultimately, the material was applied in a small-scale test as a raw material for an agricultural product packaging design. The study, rooted in sustainability, environmental protection, and the establishment of a local circular economy, fills the gap in current research of lacking design knowledge interventions.

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“…Bioethanol is a well-known commercial product prepared through biological conversion rather than from fossil fuels or platform chemicals via chemical reactions. − Bioethanol is an attractive alternative energy source for addressing concerns about the depletion of fossil fuels, climate change, and environmental pollution. The raw materials for bioethanol include not only high-purity feedstocks, such as sugar cane and starch, but also low-purity biomass, such as lignocellulose, which are being used in diverse fields.…”

Section: Introductionmentioning

confidence: 99%

Python-Based Algorithm for Estimating the Parameters of Physical Property Models for Substances Not Available in Database

Lee,

Won,

Kim

2024

ACS Omega

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An in-house Python-based algorithm was developed using simplified molecular-input line-entry specification (SMILES) strings and a dipole moment for estimating the normal boiling point, critical properties, standard enthalpy, vapor pressure, liquid molar volume, enthalpy of vaporization, heat capacity, viscosity, thermal conductivity, and surface tension of molecules. Normal boiling point, critical properties, and standard enthalpy were estimated by using the Joback group contribution method. Vapor pressure, liquid molar volume, enthalpy of vaporization, heat capacity, and surface tension were estimated by using the Riedel model, Gunn−Yamada model, Clausius−Clapeyron equation, Joback group contribution method, and Brock−Bird model, respectively. Viscosities of liquid and gas were estimated by using the Letsou−Stiel model and the Chapman−Enskog−Brokaw model, respectively. Thermal conductivities of liquid and gas were estimated by using the Sato−Riedel model and Stiel−Thodos model, respectively. Dipole moment was calculated through molecular dynamics simulation using the MMFF94 force field, performed with Avogadro software. A case study was conducted with dihydro-2-methyl-3-furanone (DHMF), 2-furaldehyde diethyl acetal (FDA), 1,1-diethoxy-3-methyl butane (DEMB), glutathione (GSH), vitamin B5 (VITB5), homocysteine (HCYS), and O-acetyl-L-homoserine (AH), which are not present in the existing property database. Cross-validation indicated that the developed Python-based algorithm provided pure component model parameters nearly identical with those obtained with the Aspen Property Constant Estimation System (PCES) method, except for the enthalpy of vaporization. The parameters for estimating the enthalpy of vaporization using the current Python-based algorithm accurately represented the behavior of the actual substances, as determined using the Clausius−Claperyon equation. This Pythonbased algorithm provides a detailed and clear reference for estimating pure property parameters.

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Systematic design of separation process for bioethanol production from corn stover

Cited by 18 publications

References 34 publications

A Technoeconomic Model Coupled with HYSYS to Analyze the Electroreduction of Carbon Dioxide to Ethanol

A Technoeconomic Model Coupled with HYSYS to Analyze the Electroreduction of Carbon Dioxide to Ethanol

Eco-Innovation: Corn Stover as the Biomaterial in Packaging Designs

Python-Based Algorithm for Estimating the Parameters of Physical Property Models for Substances Not Available in Database

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