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1. Evaluating refinery configurations for deriving sustainable aviation fuel from ethanol or syncrude

Author:
Petersen, Abdul M.; Chireshe, Farai; Okoro, Oseweuba; Gorgens, Johann; Van Dyk, Johan
Source:
Fuel processing technology 2021 v.219 pp. 106879
ISSN:
0378-3820
Subject:
bioethanol,   etc   ; aromatic compounds; aviation; butanol; capital costs; ethanol; feedstocks; patents;     Show all 8 Subjects
Abstract:
... This study presents novel comprehensive comparisons of alternative refinery configurations for sustainable aviation fuels (SAF) from bio-ethanol or Fischer-Tropsch bio-syncrude through techno-economic evaluations. Simulations were conducted in Aspen Plus, followed by evaluating the minimum aviation-fuel selling price (MINAFSP) at specific feedstock price, and the maximum tolerable prices of ethano ...
DOI:
10.1016/j.fuproc.2021.106879

2. The utility of metabolomics as a tool to inform maize biology

Author:
Medeiros, David B.; Brotman, Yariv; Fernie, Alisdair R.
Source:
Plant communications 2021 v.2 no.4 pp. 100187
ISSN:
2590-3462
Subject:
bioethanol,   etc   ; biosynthesis; corn; evolution; metabolites; metabolome; metabolomics; phenotypic variation; topology;     Show all 9 Subjects
Abstract:
... With the rise of high-throughput omics tools and the importance of maize and its products as food and bioethanol, maize metabolism has been extensively explored. Modern maize is still rich in genetic and phenotypic variation, yielding a wide range of structurally and functionally diverse metabolites. The maize metabolome is also incredibly dynamic in terms of topology and subcellular compartmental ...
DOI:
10.1016/j.xplc.2021.100187

3. Gasoline pre-blending processes for efficient ethanol recovery: effects of process parameters and process modifications for improved performance

Author:
Stacey, Neil; Fernández-Torres, María J.; Glasser, David
Source:
Biofuels 2021 v.12 no.6 pp. 625-632
ISSN:
1759-7277
Subject:
bioethanol,   etc   ; economic valuation; energy; ethanol; ethanol production; gasoline; separation; temperature;     Show all 8 Subjects
Abstract:
... With over 20 billion gallons of bio-ethanol produced annually, optimization of bio-ethanol production processes is a major priority for sustainability research. Recent research has made great strides toward improving the efficiency of bio-ethanol production through the development of gasoline pre-blending processes which use liquid–liquid phase separation to eliminate excess water with minimal ene ...
DOI:
10.1080/17597269.2019.1573607

4. Cereal processing waste, an environmental impact and value addition perspectives: A comprehensive treatise

Author:
Hassan, Gul; Shabbir, Muhammad Asim; Ahmad, Farah; Pasha, Imran; Aslam, Noman; Ahmad, Talha; Rehman, Abdur; Manzoor, Muhammad Faisal; Inam-Ur-Raheem, Muhammad; Aadil, Rana Muhammad
Source:
Food chemistry 2021 v.363 pp. 130352
ISSN:
0308-8146
Subject:
bioethanol,   etc   ; biocoal; biofertilizers; biogas; biohydrogen; biomass; butanol; environmental impact; food chemistry; polysaccharides; sludge; value added;     Show all 12 Subjects
Abstract:
... This review is to describe various methods used for the treatment of cereal processing wastes and their efficiency to reduce environmental issues. Physico-chemical and biological methods have great potential for the treatment of cereal industrial waste. These methods can be used alone or in combination with effective treatment. Physico-chemical treatments are mostly employed for the pretreatment o ...
DOI:
10.1016/j.foodchem.2021.130352

5. Dehydration of bio-alcohols in an enhanced membrane-assisted reactor: A rigorous sensitivity analysis and multi-objective optimization

Author:
Bakhtyari, Ali; Bardool, Roghayeh; Rahimpour, Mohammad Reza; Iulianelli, Adolfo
Source:
Renewable energy 2021 v.177 pp. 519-543
ISSN:
0960-1481
Subject:
bioethanol,   etc   ; energy; ethanol; ethylene; feasibility studies; feed composition; feed conversion; mathematical models; methanol; water purification;     Show all 10 Subjects
Abstract:
... Green and efficient routes for a sustainable and renewable strategy in chemicals and energy delivery are highly demanded in the current status. Developing production routes from bio-alcohols is of immense interest. To achieve such a goal, an enhanced membrane-assisted dehydration reactor for the conversion of bio-alcohols (mainly made up of methanol and ethanol) is suggested. The system can elimin ...
DOI:
10.1016/j.renene.2021.05.161

6. In-situ corn fiber conversion method unlocks the role of viscosity on enhancing ethanol yield by reducing side-product glycerol

Author:
Li, Xiujuan; Xiong, Qiang; Wang, Minghui; Huang, He; Yue, Guojun; Jin, Mingjie
Source:
Industrial crops and products 2021 v.169 pp. 113653
ISSN:
0926-6690
Subject:
bioethanol,   etc   ; capital; cellulases; corn; energy; ethanol; ethanol production; fermentation; glucose; glycerol; transcriptome; transcriptomics; viscosity;     Show all 13 Subjects
Abstract:
... In-situ corn fiber conversion enables to greenly convert corn fiber into bioethanol with saving energy and capital expenditure. However, the remaining challenge is to understand how the additive cellulases improve substrate utilization efficiency but reduce the side-product glycerol concentration. Herein, we investigated a comprehensive responses pattern of cellulases-assisted ethanol production o ...
DOI:
10.1016/j.indcrop.2021.113653

7. Sustainability analysis of bioethanol production in Mexico by a retrofitted sugarcane industry based on the Brazilian expertise

Author:
López-Ortega, Mónica G.; Guadalajara, Yatzil; Junqueira, Tassia L.; Sampaio, Isabelle L.M.; Bonomi, Antonio; Sánchez, Arturo
Source:
Energy 2021 v.232 pp. 121056
ISSN:
0360-5442
Subject:
bioethanol,   etc   ; biorefining; energy; ethanol; ethanol production; feedstocks; juices; molasses; stakeholders; sugar industry; sugarcane; sugars; Brazil; Mexico;     Show all 14 Subjects
Abstract:
... Bioethanol as fuel oxygenator is currently being introduced in Mexico with an estimated yearly demand of 3 billion liters expected to be produced mainly from sugarcane. This paper studies how to employ some of the expertise acquired by Brazil during its transition from typical mills into advanced biorefineries to retrofit the Mexican sucroalcohol industry. A typical Mexican sugarcane factory desig ...
DOI:
10.1016/j.energy.2021.121056

8. Improvement of fermentable sugar recovery and bioethanol production from eucalyptus wood chips with the combined pretreatment of NH4Cl impregnation and refining

Author:
Yang, Qiulin; Huo, Dan; Han, Xiao; Gu, Cheng; Hou, Qingxi; Zhang, Fengshan; Si, Chuanling; Liu, Zhong; Ni, Yonghao
Source:
Industrial crops and products 2021 v.167 pp. 113503
ISSN:
0926-6690
Subject:
bioethanol,   etc   ; Eucalyptus; cellulose; energy efficiency; enzymatic hydrolysis; ethanol production; glucose; hemicellulose; wood; xylose;     Show all 10 Subjects
Abstract:
... A combined pretreatment of NH₄Cl impregnation and refining was developed to recover the fermentable sugars and improve the bioethanol yield. The xylose was recovered to decrease the cost of bioethanol production, moreover, the impregnation using nonmetal salt had little influence on the environment, and the energy consumption of the refining process was hugely reduced by the impregnation. The resu ...
DOI:
10.1016/j.indcrop.2021.113503

9. Rheological characterization of ball-milled corn stover with different fragmentation scales at high-solids loading

Author:
Lu, Minsheng; He, Dingping; Li, Junbao; Han, Lujia; Xiao, Weihua
Source:
Industrial crops and products 2021 v.167 pp. 113517
ISSN:
0926-6690
Subject:
bioethanol,   etc   ; bioreactors; corn stover; energy; ethanol production; lignocellulose; particle size; rheology; slurries; viscosity;     Show all 10 Subjects
Abstract:
... A fundamental understanding of the rheology of high-solids lignocellulose slurry is essential for the design of efficient cellulosic ethanol production processes and bioreactors. Here we analyzed the rheological properties of high-solids corn stover slurries with particles size ranged from tissue scale to cellular scale. Results showed that the apparent viscosity/yield stress decreased with the in ...
DOI:
10.1016/j.indcrop.2021.113517

10. Corn cultivation location selection for bioethanol production: An application of BWM and extended PROMETHEE II

Author:
Kheybari, Siamak; Javdanmehr, Mahsa; Rezaie, Fariba Mahdi; Rezaei, Jafar
Source:
Energy 2021 v.228 pp. 120593
ISSN:
0360-5442
Subject:
bioethanol,   etc   ; air pollution; corn; energy; ethanol production; multi-criteria decision making; Iran;     Show all 7 Subjects
Abstract:
... The purpose of this paper is to streamline the supply of corn, one of the key ingredients in the production of bioethanol. Using a comprehensive sustainable framework of criteria (including social, economic, and environmental dimensions), the potential locations of corn cultivation in Iran are examined from a multi-criteria decision analysis perspective. To this end, we need to find the importance ...
DOI:
10.1016/j.energy.2021.120593

11. Liquid triphasic systems as sustainable downstream processing of Chlorella sp. biorefinery for potential biofuels and feed production

Author:
Koyande, Apurav Krishna; Chew, Kit Wayne; Show, Pau-Loke; Munawaroh, Heli Siti Halimatul; Chang, Jo-Shu
Source:
Bioresource technology 2021 v.333 pp. 125075
ISSN:
0960-8524
Subject:
bioethanol,   etc   ; Chlorella; Fourier transform infrared spectroscopy; biodiesel; biorefining; energy; gas chromatography; liquids; microalgae; separation; ultrasonic treatment;     Show all 11 Subjects
Abstract:
... Microalgae are potential sustainable renewable sources of energy but are highly underutilized due to the expensive and time-consuming downstream processing. This study aims at curbing these obstacles by extracting multiple components with a single processing unit. In this work, an ultrasound-assisted liquid triphasic flotation system was incorporated to extract proteins, lipids, and carbohydrates ...
DOI:
10.1016/j.biortech.2021.125075

12. Utilization of pomelo peels to manufacture value-added products: A review

Author:
Xiao, Li; Ye, Fayin; Zhou, Yun; Zhao, Guohua
Source:
Food chemistry 2021 v.351 pp. 129247
ISSN:
0308-8146
Subject:
bioethanol,   etc   ; adsorbents; byproducts; citrus peels; extraction; food chemistry; pectins; polyphenols; pummelos; tea; value added;     Show all 11 Subjects
Abstract:
... Pomelo peel as a by-product from pomelo consumption is rich in various nutrients and functional compounds, while most of the by-product is disposed as wastes. The utilization of pomelo peels could not only result in valued-added products/ingredients, but also reduce the environmental threats. By mainly reviewing the recent articles, pomelo peels could be directly used to produce candied pomelo pee ...
DOI:
10.1016/j.foodchem.2021.129247

13. A direct gasoline pre-blending of bioalcohol mixtures as a means of decreasing separation energy losses

Author:
Ndlovu, Kudakwashe; Stacey, Neil; Fernández-Torres, María J.; Hildebrandt, Diane
Source:
Biofuels 2021 v.12 no.6 pp. 615-623
ISSN:
1759-7277
Subject:
bioethanol,   etc   ; butanol; case studies; climate change; energy; ethanol; fermented foods; gasoline; prediction;     Show all 9 Subjects
Abstract:
... Transport emissions account for around a quarter of all CO₂ emissions and so, automotive fuels are a key area of research for combating climate change. Widespread adoption of bio-ethanol fuel blends has been the first step in this direction. However, the economic and environmental viability of bio-ethanol usage is hampered by inefficiencies in its production, resulting in a need for significant im ...
DOI:
10.1080/17597269.2018.1546487

14. Promoted bioethanol production through fed-batch semisimultaneous saccharification and fermentation at a high biomass load of sodium carbonate-pretreated rice straw

Author:
Jin, Xianchun; Ma, Jiangshan; Song, Jianing; Liu, Gao-Qiang
Source:
Energy 2021 v.226 pp. 120353
ISSN:
0360-5442
Subject:
bioethanol,   etc   ; Aspergillus fumigatus; biomass; energy; enzymes; ethanol; ethanol production; fermentation; lignocellulose; rice straw; saccharification; sodium;     Show all 12 Subjects
Abstract:
... A study on the fed-batch semi-simultaneous saccharification and fermentation (FB-S-SSF) of sodium carbonate-pretreated rice straw at biomass loads between 10.0 and 30.0% (m/v) was conducted. Three different feeding modes, i.e., enzyme feeding (E feeding), substrate feeding (SR feeding) and the combination of both E feeding and SR feeding as well as batch mode were conducted for comparison under id ...
DOI:
10.1016/j.energy.2021.120353

15. Quantifying global warming potential of alternative biorefinery systems for producing fuels from Chinese food waste

Author:
Guo, Hanwen; Zhao, Yan; Damgaard, Anders; Wang, Qian; Wang, Hongtao; Christensen, Thomas H.; Lu, Wenjing
Source:
Waste management 2021 v.130 pp. 38-47
ISSN:
0956-053X
Subject:
bioethanol,   etc   ; anaerobic digestion; biodiesel; biogas; biorefining; electricity generation; energy content; food waste; waste management;     Show all 9 Subjects
Abstract:
... Biorefining of Chinese food waste (FW) into transport fuels was assessed in terms of amount of fuel produced and over all Global Warming Potential (GWP) for six different scenarios including biogas, biomethane, bioethanol and biodiesel in different combinations. The life-cycle perspective used included GWP aspects of material and energy use, emissions during biorefining and management of residues, ...
DOI:
10.1016/j.wasman.2021.05.004

16. Influence of storage conditions on oil palm frond juice as a renewable feedstock for bioethanol production

Author:
Syed Abdullah, Sharifah Soplah; Bahrin, Ezyana Kamal; Shirai, Yoshihito; Hassan, Mohd Ali
Source:
Biomass and bioenergy 2021 v.150 pp. 106101
ISSN:
0961-9534
Subject:
bioethanol,   etc   ; Elaeis guineensis; biomass; ethanol fermentation; ethanol production; feedstocks; glucose; juices; petioles; spoilage;     Show all 10 Subjects
Abstract:
... The high fermentable sugars content in oil palm frond (OPF) juice makes it an excellent fermentation feedstock for bioethanol production. The major challenge of using the juice as a feedstock is the rapid degradation of the fermentable sugars during storage. Thus, this study was aimed to investigate the effects of OPF juice concentration and mild temperature storage on its glucose content. The OPF ...
DOI:
10.1016/j.biombioe.2021.106101

17. Pricing decisions in a decentralized biofuel supply chain with RIN mechanism considering environmental impacts

Author:
Allameh, Ghazaleh; Saidi-Mehrabad, Mohammad
Source:
Biomass and bioenergy 2021 v.150 pp. 106090
ISSN:
0961-9534
Subject:
bioethanol,   etc   ; Panicum virgatum; biomass; biorefining; case studies; demand elasticities; game theory; models; supply chain;     Show all 9 Subjects
Abstract:
... This study develops pricing models in a decentralized biofuel supply chain focusing on both economic and environmental aspects. Environmental impacts are used as a measure to reflect the environmental objective function calculated based on ReCiPe method. A bi-level multi-objective stackelberg game model considering farmers and biorefineries as followers and the blender as leader is proposed. An ε- ...
DOI:
10.1016/j.biombioe.2021.106090

18. Assessment of ethanol autoxidation as a drop-in kerosene and surrogates blend with a new modelling approach

Author:
Auzani, Ahmad Syihan; Clements, Alastair G.; Hughes, Kevin J.; Ingham, Derek B.; Pourkashanian, Mohamed
Source:
Heliyon 2021 v.7 no.6 pp. e07295
ISSN:
2405-8440
Subject:
bioethanol,   etc   ; antioxidants; automation; autoxidation; computer software; ethanol; kerosene; models; reaction mechanisms;     Show all 9 Subjects
Abstract:
... Bioethanol has been considered as a more sustainable alternative for fossil fuels, and it has been used as a drop-in fuel mixture. In this paper, the autoxidation properties of real kerosene as well as single, binary and ternary surrogates with the presence of ethanol are investigated for the first time. A simplified python code is proposed to predict the pressure drop of the PetroOXY method that ...
DOI:
10.1016/j.heliyon.2021.e07295

19. Eco-friendly and inexpensive food grade bioethanol for Eugenia uniflora L. chromatographic fingerprinting: A trade-off between separation and sustainability

Author:
Souza, Otávio Aguiar; Furlani, Rafael Pelegrino; Ramalhão, Vitória Giovanna da Silva; Borges, Maiara Stefanini; Funari, Cristiano Soleo; Bolzani, Vanderlan da Silva; Rinaldo, Daniel
Source:
Phytochemistry letters 2021 v.43 pp. 200-207
ISSN:
1874-3900
Subject:
bioethanol,   etc   ; Eugenia uniflora; analytical chemistry; chromatography; environmental assessment; instrumentation; plant biochemistry; prediction; response surface methodology;     Show all 9 Subjects
Abstract:
... In this work, we developed a green HPLC-PAD method to fingerprint Eugenia uniflora L. leaves by employing Design of Experiments with inexpensive food grade bioethanol as mobile-phase organic modifier aiming to cover Green Analytical Chemistry (GAC) principles and concepts. Initially, two different chromatographic columns coupled with five chromatographic factors were screened employing a Fractiona ...
DOI:
10.1016/j.phytol.2021.04.010

20. Energy-Ecological Efficiency and TTW Emissions of the DFSIE Fuelled with Biofuels

Author:
Soares, Laene Oliveira; de Moraes, Danielle Rodrigues; Boloy, Ronney Arismel Mancebo
Source:
BioEnergy research 2021 v.14 no.2 pp. 623-633
ISSN:
1939-1234
Subject:
bioethanol,   etc   ; European Union; biogas; carbon dioxide; combustion; computer software; ethanol; gasoline; public policy; research;     Show all 10 Subjects
Abstract:
... This paper describes the possibility of replacing the single-fuel spark-ignition engines (SFSIE) fuelled with gasoline by the dual-fuel spark-ignition engines (DFSIE) fuelled with bioethanol and biogas. GASEQ software was used to estimate the combustion exhaust gases of the bioethanol, biogas and gasoline with 27% ethanol and 20% ethanol in order to calculate the energy-ecological efficiency of th ...
DOI:
10.1007/s12155-020-10229-1