U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject "ethanol" Remove constraint Subject: "ethanol"
Start Over

Search

42,881  Search Results

« Previous | 1 - 20 of 42,881 |
Number of results to display per page

Search Results

1. Mathematical Modeling of Fed-Batch Ethanol Fermentation Under Very High Gravity and High Cell Density at Different Temperatures

Author:
Ivan I. K. Veloso; Kaio C. S. Rodrigues; Gustavo Batista; Antonio J. G. Cruz; Alberto C. Badino
Source:
Applied biochemistry and biotechnology 2022 v.194 no.6 pp. 2632-2649
ISSN:
0273-2289
Subject:
ethanol; ethanol fermentation,   etc   ; biotechnology; inoculum; temperature;     Show all 5 Subjects
Abstract:
... The use of more appropriate kinetic models can assist in improving ethanol fermentation under conditions of very high gravity (VHG) and high cell density (HCD), in order to obtain higher amounts of ethanol in the broth combined with high productivity. The aim of this study was to model fed-batch ethanol fermentation under VHG/HCD conditions, at different temperatures, considering three types of in ...
DOI:
10.1007/s12010-022-03868-x

2. Fuel ethanol production from starchy grain and other crops: An overview on feedstocks, affecting factors, and technical advances

Author:
Jun Li; Renyong Zhao; Youjie Xu; Xiaorong Wu; Scott R. Bean; Donghai Wang
Source:
Renewable energy 2022 v.188 pp. 223-239
ISSN:
0960-1481
Subject:
ethanol; ethanol fuels; ethanol production,   etc   ; corn; crosslinking; feedstocks; gasoline; value added; waxy starch; wheat;     Show all 10 Subjects
Abstract:
... The substitution of gasoline by ethanol with different ratios is commercialized around the world. In this review, an overview on feedstocks, affecting factors, and technical advances in starch ethanol production has been systematically presented. Most ethanol is produced from starchy crops, among which corn, wheat, and sorghum are the major contributors. Additional starchy crops have also been stu ...
DOI:
10.1016/j.renene.2022.02.038

3. Repeated-batch simultaneous saccharification and fermentation of cassava pulp for ethanol production using amylases and Saccharomyces cerevisiae immobilized on bacterial cellulose

Author:
Siriwan Khanpanuek; Siriporn Lunprom; Alissara Reungsang; Apilak Salakkam
Source:
Biochemical engineering journal 2022 v.177 pp. 108258
ISSN:
1369-703X
Subject:
ethanol; ethanol fermentation; ethanol production,   etc   ; Saccharomyces cerevisiae; alpha-amylase; cassava; cellulose; glucan 1,4-alpha-glucosidase; hydrolysis; pulp; saccharification;     Show all 11 Subjects
Abstract:
... Reusing biocatalysts and repeated-batch process are promising approaches for the reduction of time and costs of a fermentation process. The present study investigated the use of α-amylase, glucoamylase, and cells of Saccharomyces cerevisiae immobilized on bacterial cellulose (BC) in repeated-batch simultaneous saccharification and fermentation (SSF) process for ethanol production from cassava pulp ...
DOI:
10.1016/j.bej.2021.108258

4. Combining ability and heterosis of sweet stem sorghum genotypes for bioethanol yield and related traits

Author:
Precious Mangena; Hussein Shimelis; Mark Laing
Source:
Euphytica 2022 v.218 no.6 pp. 72
ISSN:
0014-2336
Subject:
ethanol; ethanol production,   etc   ; analysis of variance; bioethanol; biomass production; heterosis;     Show all 6 Subjects
Abstract:
... Sorghum hybrids can provide enhanced bioethanol yield if genetically complementary parents and progenies are developed using efficient crossing and selection methods. The objective of this study was to determine the combining ability of sweet stem sorghum genotypes, and assess heterosis among F1 hybrids for ethanol production and associated traits. Eight sweet stem sorghum lines and four testers w ...
DOI:
10.1007/s10681-022-03022-y

5. Techno-economic assessment of poly-generation pathways of bioethanol and lignin-based products

Author:
Xin Wang; Jinhang Yang; Zhikun Zhang; Jiancheng Yang; Boxiong Shen
Source:
Bioresource technology reports 2022 v.17 pp. 100919
ISSN:
2589-014X
Subject:
ethanol; ethanol production,   etc   ; Arundo donax; biochar; bioethanol; biomass; economic analysis; lignin; pyrolysis;     Show all 9 Subjects
Abstract:
... In this study, two fermentation-pyrolysis pathways for cellulosic ethanol production were established to improve the economy of cellulosic ethanol plants by lignin-rich residue pyrolysis. Techno-economic assessment (TEA) was conducted for both novel pathways compared with conventional fermentation-combustion pathway based on biomass Arundo donax. Pathway simulation showed that compared with the fe ...
DOI:
10.1016/j.biteb.2021.100919

6. Energy saving alternatives for renewable ethanol production with the focus on separation/purification units: A techno-economic analysis

Author:
Maryam Botshekan; Ahmad Moheb; Fatemeh Vatankhah; Keikhosro Karimi; Marzieh Shafiei
Source:
Energy 2022 v.239 pp. 122363
ISSN:
0360-5442
Subject:
ethanol; ethanol production,   etc   ; adsorption; bioethanol; capital; energy; evaporation; hydrophilicity; pervaporation; polymers; prices; temperature; vapors;     Show all 13 Subjects
Abstract:
... The bioethanol production process includes energy-demanding units with high operating costs, i.e., separation, dehydration, and stillage evaporation units. The present study attempts to reduce energy consumption and, ultimately, ethanol price through industrially feasible methods. These methods include adopting thermally-coupled columns, dividing-wall columns, single/multi-stage pervaporation proc ...
DOI:
10.1016/j.energy.2021.122363

7. Efficient ethanol production from rice straw through cellulose restructuring and high solids loading fermentation by Mucor indicus

Author:
Maryam Molaverdi; Safoora Mirmohamadsadeghi; Keikhosro Karimi; Mortaza Aghbashlo; Meisam Tabatabaei
Source:
Journal of cleaner production 2022 v.339 pp. 130702
ISSN:
0959-6526
Subject:
ethanol; ethanol production,   etc   ; Mucor; cellulose; enzymes; fermentation; fungi; glucose; hydrolysis; phosphoric acid; rice straw; saccharification;     Show all 12 Subjects
Abstract:
... The production of high concentrations of ethanol from N-methylmorpholine N-oxide- (NMMO) and phosphoric acid-pretreated rice straw was investigated at high solid loadings (solid-state) using filamentous fungus Mucor indicus. The impacts of most influential factors on ethanol production by simultaneous saccharification and fermentation (SSF), i.e., enzyme loadings (2.5, 5, 10, and 20 FPU/g substrat ...
DOI:
10.1016/j.jclepro.2022.130702

8. Combination strategy of laccase pretreatment and rhamnolipid addition enhance ethanol production in simultaneous saccharification and fermentation of corn stover

Author:
Huanan Li; Wenjing Xiao; Jiashu Liu; Qiuping Ran; Rui Wang; Cairong Yu; Xinyuan Zhang; Huiting Song; Zhengbing Jiang
Source:
Bioresource technology 2022 v.345 pp. 126414
ISSN:
0960-8524
Subject:
ethanol; ethanol production,   etc   ; Saccharomyces cerevisiae; biosurfactants; corn stover; fermentation; glucose; laccase; polysorbates; rhamnolipids; saccharification; saponins; tea;     Show all 13 Subjects
Abstract:
... The effects of laccase pretreatment and surfactant addition in the simultaneous saccharification and fermentation (SSF) of corn stover by engineered Saccharomyces cerevisiae were studied. Surfactants Tween-80, tea saponin and rhamnolipid improved ethanol production in SSF, among which the biosurfactant rhamnolipid reached the highest ethanol yield. At the 6 d in SSF, the ethanol content of additio ...
DOI:
10.1016/j.biortech.2021.126414

9. Effect of temperature and nitrogen supplementation on bioethanol production from waste bread, watermelon and muskmelon by Saccharomyces cerevisiae

Author:
M. Ümit Ünal; Golam Chowdhury; Aysun Şener
Source:
Biofuels 2022 v.13 no.4 pp. 395-399
ISSN:
1759-7277
Subject:
ethanol; ethanol production,   etc   ; Saccharomyces cerevisiae; biofuels; breads; feedstocks; fermentation; hydrolysates; muskmelons; nitrogen; peptones; sugars; temperature; watermelons;     Show all 14 Subjects
Abstract:
... This study was undertaken to investigate the effect of temperature (25 °C and 30 °C) and nitrogen supplementation (with 20 g/L peptone or without) on bioethanol production from waste bread, watermelon and muskmelon feedstocks by Saccharomyces cerevisiae. Nitrogen addition resulted in higher ethanol yields at both temperatures. Fermentation at 30 °C produced a higher ethanol yield than at 25 °C. Th ...
DOI:
10.1080/17597269.2020.1724440

10. A self-templating dilution strategy for preparation of hollow concave polystyrene nanoparticles in a styrene/ethanol-water ternary system

Author:
Xiaofeng Li; Min Wu; Xuechen Xiang; Zixin Ye; Ning Chen; Shiyu Ma
Source:
Colloids and surfaces 2022 v.637 pp. 128253
ISSN:
0927-7757
Subject:
ethanol,   etc   ; emulsions; polymerization; polystyrenes; temperature;     Show all 5 Subjects
Abstract:
... Hollow concave polymer particles have attracted wide attention due to their particular properties and applications, however, the controllable synthesis of hollow concave polystyrene nanoparticles (HC-PSNPs) based on soap-free emulsion polymerization via a one-pot method has not been achieved. Herein, based on a styrene/ethanol-water (St/EtOH-H₂O) ternary system, a simple green self-templating dilu ...
DOI:
10.1016/j.colsurfa.2022.128253

11. Nickel chalcogenides as selective ethanol oxidation electro-catalysts and their structure–performance relationships

Author:
Yufeng Zhang; Lipeng Zhang; Chun Song; Yangyuanxiang Qin; Lianyue Lu; Wei Zhu; Zhongbin Zhuang
Source:
Chemical communications 2022 v.58 no.15 pp. 2496-2499
ISSN:
1364-548X
Subject:
ethanol,   etc   ; acetic acid; nickel; oxidation;     Show all 4 Subjects
Abstract:
... Five nickel chalcogenides have been studied and they showed high selectivity towards selective ethanol electro-oxidation to acetic acid. The activities of the different nickel chalcogenides are correlated with the Ni–Ni projected distances of the catalysts. ...
DOI:
10.1039/d1cc07086j

12. Modeling and Simulation of Batch Sugarcane Alcoholic Fermentation Using the Metabolic Model

Author:
Renam Luis Acorsi; Matheus Yuri Gritzenco De Giovanni; José Eduardo Olivo; Cid Marcos Gonçalves Andrade
Source:
Fermentation 2022 v.8 no.2 pp. -
ISSN:
2311-5637
Subject:
ethanol; ethanol production,   etc   ; Saccharomyces cerevisiae; alcoholic fermentation; biochemical pathways; computer software; fungi; glucose; glycolysis; models; sugarcane; temperature;     Show all 12 Subjects
Abstract:
... The present work sought to implement a model different from the more traditional ones for the fermentation process of ethanol production by the action of the fungus Saccharomyces cerevisiae, using a relevant metabolic network based on the glycolytic Embden–Meyerhof–Parnas route, also called “EMP”. We developed two models to represent this phenomenon. In the first model, we used the simple and unbr ...
DOI:
10.3390/fermentation8020082

13. Assessment of BMP responses in an in vitro model of acute ethanol toxicity

Author:
Naila Habeeb; Sheyda Najafi; Jeanette C. Perron
Source:
MethodsX 2022 v.9 pp. 101631
ISSN:
2215-0161
Subject:
ethanol,   etc   ; Western blotting; models; phosphorylation; toxicity;     Show all 5 Subjects
Abstract:
... The assay presented here was designed to assess the immediate effects of ethanol (EtOH) exposure on intracellular signaling activated by BMPs (Bone Morphogenetic Proteins). Previous reports of the relationship between EtOH exposure and BMP-dependent signaling have primarily assessed the expression of individual BMPs, changes in BMP target genes or effects on the phosphorylation level of key downst ...
DOI:
10.1016/j.mex.2022.101631

14. Insights at the molecular level into the formation of oxo-bridged trinuclear uranyl complexes

Author:
Gerrit Schaper; Marco Wenzel; Uwe Schwarzenbolz; Johannes Steup; Felix Hennersdorf; Thomas Henle; Leonard F. Lindoy; Jan J. Weigand
Source:
Chemical communications 2022 v.58 no.11 pp. 1748-1751
ISSN:
1364-548X
Subject:
ethanol,   etc   ; acetates; deprotonation; glucosamine; uranyl ions;     Show all 5 Subjects
Abstract:
... Reaction of 1,3,4,6-tetra-O-acetyl-N-(2-hydroxy)-naphthylidene glucosamine (HL(Ac)) with uranyl acetate in ethanol leads to formation of dinuclear [(UO₂)₂(L)₂] (1). In a second step 1 is quantitatively transferred into the trinuclear oxo-bridged complex [(UO₂)₃(μ₃–O)(L)₃]²⁻ (2²⁻) via deprotonation and coordination of a water molecule. This transformation was followed by NMR and UV/Vis spectroscopy ...
DOI:
10.1039/d1cc06310c

15. Ethanol production from lignocellulosic biomass by co-fermentation with Pecoramyces sp. F1 and Zymomonas mobilis ATCC 31821 in an integrated process

Author:
Yuqi Li; Yao Xu; Yihan Xue; Shihui Yang; Yanfen Cheng; Weiyun Zhu
Source:
Biomass and bioenergy 2022 v.161 pp. 106454
ISSN:
0961-9534
Subject:
ethanol; ethanol production,   etc   ; Zymomonas mobilis; bacteria; bioenergy; biomass; fermentation; formates; fungi; glucose; lactic acid; lignocellulose; metabolites; rice straw; saccharification;     Show all 15 Subjects
Abstract:
... A novel, integrated process for the production of ethanol from lignocellulosic biomass is reported which involves simultaneous pretreatment, saccharification and fermentation using environmentally friendly technologies. The lignocellulosic biomass (8.33 g/L rice straw) was pretreated and saccharified with the anaerobic fungus Pecoramyces sp. F1, while the facultative anaerobic bacterium Zymomonas ...
DOI:
10.1016/j.biombioe.2022.106454

16. KOH/urea pretreatment of bagasse for ethanol production without black liquor or wastewater generation

Author:
Qingfeng Wang; Xuesong Tan; Wen Wang; Changlin Miao; Yongming Sun; Zhenhong Yuan; Xinshu Zhuang
Source:
Industrial crops and products 2022 v.178 pp. 114567
ISSN:
0926-6690
Subject:
ethanol; ethanol production,   etc   ; Saccharomyces cerevisiae; alkali treatment; bagasse; bioethanol; enzymatic hydrolysis; industrial applications; lignin; pH; urea; waste liquors; wastewater;     Show all 13 Subjects
Abstract:
... Alkaline pretreatment is a simple and effective method for removing lignin at low temperatures and normal pressure, but this process consumes large amounts of water and produces wastewater, both of which limit its industrial applications. To develop a process with zero discharge of black liquor and wastewater, in this study, KOH/urea-treated bagasse was directly subjected to enzymatic hydrolysis w ...
DOI:
10.1016/j.indcrop.2022.114567

17. Low-waste technology for the production of bioethanol from sorghum grain: Comparison of Zymomonas mobilis and Saccharomyces cerevisiae in fermentation with stillage reusing

Author:
Katarzyna Szambelan; Artur Szwengiel; Jacek Nowak; Henryk Jeleń; Jakub Frankowski
Source:
Journal of cleaner production 2022 v.352 pp. 131607
ISSN:
0959-6526
Subject:
ethanol; ethanol production,   etc   ; Saccharomyces cerevisiae; Zymomonas mobilis; acetaldehyde; bioethanol; fermentation; liquids; saccharification; temperature; volatile compounds; yeasts; Eastern European region;     Show all 13 Subjects
Abstract:
... Zymomonas mobilis and Saccharomyces cerevisiae have been used for simultaneous saccharification and fermentation of sorghum grain with the reuse of the stillage. This study investigated the effects of replacing half the water by a stillage liquid fraction on ethanol yield and volatile compound synthesis. Studies have shown that Z. mobilis is more efficient in ethanol production (55.96–61.48 g/L) t ...
DOI:
10.1016/j.jclepro.2022.131607

18. Amorphous palladium-based alloy nanoparticles as highly active electrocatalysts for ethanol oxidation

Author:
Yufeng Zhang; Jinjie Fang; Lipeng Zhang; Dong Wei; Wei Zhu; Zhongbin Zhuang
Source:
Chemical communications 2022 v.58 no.28 pp. 4488-4491
ISSN:
1364-548X
Subject:
ethanol,   etc   ; adsorption; alloy nanoparticles; electrochemistry; nanocatalysts; oxidation;     Show all 6 Subjects
Abstract:
... Amorphous Pd–P metal–metalloid alloy nanoparticles showed a higher electrochemical ethanol oxidation reaction performance than crystalline Pd nanoparticles. The high performance was attributed to the rich defective coordination unsaturated sites and the P alloying, which enhanced the OH adsorption. ...
DOI:
10.1039/d2cc00956k

19. Bioethanol production from food wastes rich in carbohydrates

Author:
Hamed Kazemi Shariat Panahi; Mona Dehhaghi; Gilles J Guillemin; Vijai Kumar Gupta; Su Shiung Lam; Mortaza Aghbashlo; Meisam Tabatabaei
Source:
Current opinion in food science 2022 v.43 pp. 71-81
ISSN:
2214-7993
Subject:
ethanol production,   etc   ; bioethanol; feedstocks; solid state fermentation;     Show all 4 Subjects
Abstract:
... The inefficient food processing and food leftover management strategies often lead to the wastage of untapped carbohydrate-rich feedstocks. The conversion of these feedstocks into bioethanol can mitigate the emission of greenhouse gases (GHGs) while providing a sustainable and eco-friendly method for disposing of food wastes. In light of the above, the current review scrutinizes various types of f ...
DOI:
10.1016/j.cofs.2021.11.001

20. Frequency of postmortem ethanol formation in blood, urine and vitreous humor – Improving diagnostic accuracy with the use of ethylsulphate and putrefactive alcohols

Author:
Katja Oshaug; Robert Kronstrand; Fredrik C. Kugelberg; Lena Kristoffersen; Jørg Mørland; Gudrun Høiseth
Source:
Forensic science international 2022 v.331 pp. 111152
ISSN:
0379-0738
Subject:
ethanol,   etc   ; blood; data collection; forensic sciences; urine;     Show all 5 Subjects
Abstract:
... This study aimed to compare the frequency of postmortem ethanol formation in blood, urine and vitreous humor according to negative ethylsulphate (EtS) in blood or positive putrefactive alcohols (PA’s) in either medium. Furthermore, it aimed to evaluate the interpretational value of calculated ethanol ratios in relation to EtS and PA results.Blood ethanol positive forensic cases were included; one ...
DOI:
10.1016/j.forsciint.2021.111152