Filter...

OrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureHealth Care

Select a category...

Butanols1-ButanolEthanolButanesClostridium acetobutylicumCentral Nervous System DepressantsClostridium beijerinckiiNitrosaminesPentanols1-PropanolPhospholipase DClostridiumAlcohol DehydrogenaseFermentationBiofuelsAcetoneAcetaldehydeHexanols1-OctanolGlucuronatesPlant ExtractsAlcohol OxidoreductasesMetabolic EngineeringPhosphatidic AcidsAlcohol DrinkingSolventsCotinineMethanol2-PropanolCarcinogensGlycerophospholipidsAlcohol-Induced Disorders, Nervous SystemOxygen RadioisotopesLactobacillus fermentumProbioticsLactobacillus plantarumEnterococcusLactobacillusStaphylococcus aureusAntimicrobial Cationic PeptidesVolatilizationOptical FibersTitaniumSurface PropertiesPatents as TopicFiber Optic Technology

Acetone-Butanol-EthanolFermentationSolventsAlcoholsClostridiumIsomersPropanolCondensationAlcoholSolventChloroformGasolineConcentrationBiofuelsGlycerolChaim WeizmannHydrogenFuelsEmissionsBiobutanolFormaldehydeSodiumMiscibleConcentrationsSynthesisSpeciesCultivationYields2023Production2020MixtureSyntheticExtractWaterDiagramOrganismsResults suggestApplicationHigher

Acetone-Butanol-Ethanol5

• Acetone-butanol-ethanol (ABE) fermentation, also known as the Weizmann process, is a process that uses bacterial fermentation to produce acetone, n-butanol, and ethanol from carbohydrates such as starch and glucose. (wikipedia.org)
• After World War II, ABE fermentation became generally non-profitable, compared to the production of the same three solvents (acetone, butanol, ethanol) from petroleum. (wikipedia.org)
• However, during World War 1, acetone was produced by fermentation of acetone butanol ethanol with bacteria Clostridium acetobutylicum, a method introduced by Chaim Weizmann. (javatpoint.com)
• The acetone-butanol-ethanol (ABE) process developed by Chaim Weizmann in the first half of the 20th century was one of the first industrial fermentation processes for chemicals production 7 . (nature.com)
• Use of unconventional mixed Acetone-Butanol-Ethanol solvents for anthocyanin extraction from Purple-Fleshed sweetpotatoes. (ncsu.edu)

Fermentation7

• It was developed by chemist Chaim Weizmann and was the primary process used to produce acetone, which was needed to make cordite, a substance essential for the British war industry during World War I. The process may be likened to how yeast ferments sugars to produce ethanol for wine, beer, or fuel, but the organisms that carry out the ABE fermentation are strictly anaerobic (obligate anaerobes). (wikipedia.org)
• The ABE fermentation produces solvents in a ratio of 3 parts acetone, 6 parts butanol to 1 part ethanol. (wikipedia.org)
• In 1910 Auguste Fernbach (1860-1939) developed a bacterial fermentation process using potato starch as a feedstock in the production of butanol. (wikipedia.org)
• Like Ethanol, Butanol is a biomas-based renewable fuel that can be produced by alcoholic fermentation of sugar beet, sugar can, corn, wheat (bio-Butanol), although petro-Butanol also exists, i.e. (bfh.ch)
• Typically, butanol is produced via ABE fermentation, which results in solvents in ratio of 3 parts acetone, 6 parts butanol, and 1 part ethanol, and butanol refinement is not reliant on local reservoirs of fossil fuels. (billfryer.com)
• In this process, acetone, butanol and ethanol are produced in a mixed fermentation (typically in a ratio of 3:6:1) by the solventogenic Clostridium species Clostridium acetobutylicum , Clostridium beijerinckii , Clostridium saccharobutylicum or Clostridium saccharoperbutylacetonicum from sugar or starch feedstocks 7 . (nature.com)
• For a 1-butanol fermentation process using a long-term-adapted mutant of C. acetobutylicum JB200 in combination with in situ removal of 1-butanol, a final titer of 118 g/L for the overall fermentation was reached [ 5 ]. (biomedcentral.com)

Solvents1

• Among the most common solvents present in dental adhesives there are water, ethanol, acetone and tetrahydrofuran 10-11 . (bvsalud.org)

Alcohols4

• The oxygen content of Butanol has similar advantages, like with other alcohols: tendency of less CO & HC, but possibility of increasing NO x (depending on engine parameters setting). (bfh.ch)
• Results of a study led by a team from the National Renewable Energy Laboratory on the impact of butanol-gasoline blends on light-duty vehicle emissions suggest that widespread deployment of n-butanol or i-butanol in the gasoline pool could result in changes to the estimated emissions of alcohols and carbonyls in the emissions inventory. (greencarcongress.com)
• They tested these fuels in a 2009 Honda Odyssey (a Tier 2 Bin 5 vehicle) over triplicate LA92 cycles, and determined emissions of oxides of nitrogen, carbon monoxide, non-methane organic gases (NMOG), unburned alcohols, carbonyls, and C 1 −C 8 hydrocarbons (particularly 1,3-butadiene and benzene). (greencarcongress.com)
• Optimum activity with the secondary alcohols, 2-propanol and 2-butanol, is observed with 3 M KCl and 2 M KCl, respectively, and with isoamyl alcohol in the presence of 1 M KCl. (brenda-enzymes.info)

Clostridium4

• The high toxicity of butanol constitutes a major bottleneck for high-level production of butanol with Clostridium spp. (biomedcentral.com)
• Application of raw industrial sweetpotato hydrolysates for butanol production by Clostridium beijerinckii NCIMB 8052. (ncsu.edu)
• Evidence of mixotrophic carbon-capture by n-butanol-producer Clostridium beijerinckii. (ncsu.edu)
• Characterization of Clostridium ljungdahlii OTA1: a non-autotrophic hyper ethanol-producing strain. (ncsu.edu)

Isomers2

• Two of its isomers, n-Butanol (1-butanol) and iso-Butanol can be considered for use in spark ignition (SI) engines. (bfh.ch)
• Four different isomers exist, of which 1-butanol, 2-butanol and isobutanol are the most promising candidates for biofuel production. (biomedcentral.com)

Propanol3

• Vapour-liquid equilibrium of CO(2) + [0.00871 glycerol + 0.99129 (ethanol or 1-propanol or 1-butanol)] mixtures was measured at the temperatures of 313.15 K and 333.15 K, and close to the critical line, at pressures up to 12 MPa. (unl.pt)
• propanol-1 = t -butyl alcohol = butanol-1) did not agree with their partition coefficients. (aspetjournals.org)
• It is maximally active with 1-propanol with 2 M KCl and with 1-butanol and 1-pentanol with 1 M KCl. (brenda-enzymes.info)

Condensation2

• Condensation point, wax dissolution rate and anti-wax performance of SGJ-1 water-based dewaxing and anti-waxing agent were tested by self-assembly testing device. (scirp.org)
• The experimental results show that the condensation point of SGJ-1 is -34°C, the viscosity reduction effect is good under 35°C, and the wax dissolution rate is 0.0512 g/min, The highest wax prevention rate can reach 89.58% and the wax removal and wax prevention ability is excellent. (scirp.org)

Alcohol6

• The best formula is: wax dispersant 15%, wetting reversion agent 1%, sodium silicate 1%, alcohol cosolvent 8% and 75% water. (scirp.org)
• Butanol, a four-carbon alcohol, is considered in the last years as an interesting alternative fuel, both for Diesel and for Gasoline application. (bfh.ch)
• Butanol, a four-carbon alcohol, is a candidate alternative fuel, with properties closer to gasoline than Ethanol. (bfh.ch)
• An alcohol (x) gives blue colour in victormayer's test and 3.7g of X when treated with metallic sodium liberates 560 mL of hydrogen at 273 K and 1 atm pressure what will be the possible structure of X? (tnboardsolutions.com)
• A further improvement of the maximum butanol titer was achieved using an engineered L. diolivorans strain overexpressing the endogenous alcohol dehydrogenase pduQ. (biomedcentral.com)
• Butanol is a C4-alcohol. (biomedcentral.com)

Solvent1

• Differently from this pattern, XP Bond® adhesive system (Dentsply Caulk, Milford, MA, USA) 12 , which contains tert-butanol as solvent, is a two-step etch-and-rinse adhesive which is marketed as being a good adhesive agent even in over-wet or dry dentin conditions. (bvsalud.org)

Chloroform1

• rather sol in ethanol, chloroform, n- butanol. (drugfuture.com)

Gasoline3

• i-butanol delivered a 29% reduction in CO from E16 and a 60% increase in formaldehyde emissions, compared to certification gasoline. (greencarcongress.com)
• The 12% i-butanol/7% ethanol blend was designed to produce no increase in gasoline vapor pressure. (greencarcongress.com)
• Several advantages of biobutanol, such as a higher energy content, usability in pure form or the ability to blend it in every concentration with gasoline, favour butanol over other biofuels [ 1 ]. (biomedcentral.com)

Concentration1

• The process yielded a butanol concentration of 10 g/L relying on wild-type bacterial strains. (biomedcentral.com)

Biofuels1

• The liquid biofuels, like ethanol, or biodiesel are most valuable and versatile alternatives in this context. (bfh.ch)

Glycerol3

• A correlation of the results obtained for the CO(2) + glycerol + ethanol mixture with the Peng-Robinson equation of state, admitting quasi-binary behaviour, equally yields good agreement on the liquid side, and significant deviations on the vapour side. (unl.pt)
• practically insoluble in ethanol Test for sodium (Vol. Solubility Soluble in water, glycerol and hydrogen iodide. (georgetownwebdesign.com)
• 4) Anhydrous: Not more than 1% (105°, 4 h) Decahydrate: Between 51.0% and 57.0% (105°, 4h) Lead (Vol. It is soluble in glycerol and hydrogen iodide, but insoluble in ethanol. (georgetownwebdesign.com)

Chaim Weizmann1

• During World War 1, Chaim Weizmann introduced a process for the industrial production of acetone. (javatpoint.com)

Hydrogen1

• Sampling results for ethanol, hydrogen chloride (HCl), and 1,1,1-trichloroethane showed no exposures above the pertinent criteria. (cdc.gov)

Fuels1

• Butanol produced from fossil fuels. (bfh.ch)

Emissions1

• In the research project DiBut (with support of BfE and BAFU) addition of Butanol to Diesel fuel is investigated from the points of view of engine combustion, of influences on exhaust aftertreatment systems and of non-legislated emissions of cars in transient operation. (bfh.ch)

Biobutanol2

• The high toxicity of biobutanol constitutes one of the bottlenecks within the biobutanol production process which often suffers from low final butanol concentrations and yields. (biomedcentral.com)
• The largest share of the global biobutanol market has 1-butanol. (biomedcentral.com)

Formaldehyde1

• Formaldehyde, acetaldehyde, and butyraldehyde were the most significant carbonyls from the n-butanol blend, while formaldehyde, acetone, and 2-methylpropanal were the most significant from the i-butanol blend. (greencarcongress.com)

Sodium1

• Solubility (Vol. Anhydrous sodium sulphate Name: Sodium sulfate CAS: 7757-82-6;15124-09-1 Molecular Formula: Na2SO4 Molecular Weight: … What is Sodium Sulfate. (georgetownwebdesign.com)

Miscible1

• Moreover, it enables separation of sparingly miscible 1-butanol from ABE solutions. (aalto.fi)

Concentrations1

• The higher n-butanol concentrations exceed the NIOSH and the American Conference of Governmental Industrial Hygienist (ACGIH) ceiling limits of 50 mg/m3, but did not exceed the Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (PEL) of 300 mg/m3. (cdc.gov)

Synthesis1

• The objective of this work was contributed in developing techniques to obtain immobilized biocatalysts with low cost and high catalytic activity to be applied in the biodiesel synthesis by ethanol route. (usp.br)

Species1

• Scientific evidence reveals that responsible for over eight mil ion annual deaths ethnobotanical species are vital sources of in Nigeria [1]. (who.int)

Cultivation1

• Through the application of a two-step cultivation process with S. marcescens, 2-butanol can be produced from glucose in a one-vessel, two-step microbial process. (biomedcentral.com)

Yields2

• For the alcoholysis of cod liver oil, absolute ethanol, ethanol 96% (v/v) and 1-butanol were compared: the conditions with ethanol 96% were then optimized and 2-MAG yields of around 54-57% were attained using Novozym 435. (cheric.org)
• As 1-butanol is a toxic metabolite, the titers and yields are rather low. (biomedcentral.com)

20232

• 2023 , s. 1-4 4 Sivumäärä , A1. (aalto.fi)
• January 2023, 145(1): 012304. (asme.org)

Production6

• citation needed] The production of butanol by biological means was first performed by Louis Pasteur in 1861. (wikipedia.org)
• However, with the development of science and technology and the strengthening of people's awareness of environmental protection and safety in production, the ordinary wax cleaning agent has not met the needs of the current mining operations, nor does it meet the [1] [2] of complex stratigraphic conditions. (scirp.org)
• The biorefineries producing cellulosic ethanol from wood or agricultural residues can be retrofitted to enable the production of butanol, which is actually practiced in US. (bfh.ch)
• Butanol tolerance is a key driver for process optimisation and, therefore, in the search for alternative butanol production hosts. (biomedcentral.com)
• Exactly, the same pathway enables this cell factory for 2-butanol production. (biomedcentral.com)
• Metabolic engineering of C. acetobutylicum to increase 1-butanol production focused mainly on improving butanol tolerance and avoiding by-product formation [ 2 ]. (biomedcentral.com)

20201

• BACKGROUND: Sex and racial/ethnic identity-specific cut-points for validating tobacco use using Wave 1 (W1) of the Population Assessment of Tobacco and Health (PATH) Study were published in 2020. (cdc.gov)

Mixture1

• and an i-butanol (12 vol%)/ethanol (7 vol%) mixture. (greencarcongress.com)

Synthetic2

• 1,2 The currently available synthetic anti-ulcer drugs are expensive, show side effects, and cannot prevent ulcer recurrence. (rsc.org)
• 1,3-Butadiene is used in the manufacture of synthetic rubbers (such as styrene-buta- diene rubber or poly-butadiene rubber) and thermoplastic resins (1). (cdc.gov)

Extract1

• The prophylactic action of the tea seed-derived triterpene saponins against ethanol -induced gastric mucosal lesions, 6,7 and of BT extract against various ulcerogens 8,9 have been reported in rat models. (rsc.org)

Water3

• Therefore, a new water-based paraffin remover SGJ-1 was developed in this paper. (scirp.org)
• The cytoprotective action of the green tea- catechins against ethanol - or restraint plus water -immersion stress-induced acute gastric mucosal injury, and acetic acid-induced chronic gastric ulcers in rats has been reported. (rsc.org)
• It is very soluble in water and insoluble in ethanol. (georgetownwebdesign.com)

Diagram1

• The schematic diagram of the measuring device is shown in Figure 1 . (scirp.org)

Organisms1

• However, only a few organisms have the natural ability to produce butanol. (biomedcentral.com)

Results suggest1

• These results suggest that loss of protection than 1 spacer repeated twice. (billfryer.com)

Application1

• The project focuses on the application of butanol-blends in Diesel engines only. (bfh.ch)

Higher1

• Generally, there are advantages of higher heat value (than Ethanol). (bfh.ch)