Butanol is an aliphatic saturated alcohol having the molecular formula of C(4)H(9)OH. Butanol can be used as an intermediate in chemical synthesis and as a solvent for a wide variety of chemical and textile industry applications. Moreover, butanol has been considered as a potential fuel or fuel additive. Biological production of butanol (with acetone and ethanol) was one of the largest industri...

A reduced primary reference fuel (PRF)-alcohol-di-tert-butyl peroxide (DTBP) mechanism with 108 species and 435 reactions, including sub-mechanisms of PRF, methanol, ethanol, DTBP, and the four butanol isomers, is proposed for homogeneous charge compression ignition (HCCI) engine combustion simulations of butanol isomers/nheptane mixtures. HCCI experiments fueled with butanol isomer/n-heptane m...

BACKGROUND The toxicity of alcohols is one of the major roadblocks of biological fermentation for biofuels production. Methylobacterium extorquens AM1, a facultative methylotrophic α-proteobacterium, has been engineered to generate 1-butanol from cheap carbon feedstocks through a synthetic metabolic pathway. However, M. extorquens AM1 is vulnerable to solvent stress, which impedes further devel...

Background: In acetone-butanol-ethanol (ABE) fermentation by Clostridium acetobutylicum ATCC 824 using corn-based substrate, the solvents are generally produced at a ratio of 3:6:1 (A:B:E, w/w). Results: A higher butanol/acetone ratio of 2.9:1 was found when cassava was used as the substrate of an in-situ extractive fermentation by C. acetobutylicum. This ratio had a 64% increment compared to t...

BACKGROUND Butanol is a chemical with potential uses as biofuel and solvent, which can be produced by microbial fermentation. However, the end product toxicity is one of the main obstacles for developing the production process irrespective of the choice of production organism. The long-term goal of the present project is to produce 2-butanol in Saccharomyces cerevisiae. Therefore, unraveling th...

The phenotypic responses of E. coli cells exposed to 1.2% (v/v) of 1-butanol, 2-butanol, isobutanol, tert-butanol, and 1,4-butanediol were studied in near real-time using Raman spectroscopy. A method of “chemometric fingerprinting” was employed that uses multivariate statistics (principal component analysis and linear discriminant analysis) to identify E. coli phenotypic changes over a 180 min ...

INTRODUCTION There are few studies reporting the antifungal activities of Lippia alba extracts. METHODS A broth microdilution assay was used to evaluate the antifungal effects of Lippia alba extracts against seven yeast species of Candida and Cryptococcus. The butanol fraction was investigated by gas chromatography-mass spectrometry. RESULTS The butanol fraction showed the highest activity ...

ALIPHATIC ALCOHOLS METHANOL, ETHANOL, 1-BUTANOL Eva Mračková Abstract: It is introduced the explosion Chamber VK 100 in the paper, in which we determined the lower explosive limits (LEL) of selected aliphatic alcohols as flammable liquids methanol, ethanol, 1-butanol. First, the calculations of the volume of flammable liquid necessary for setting of LEL were carried out. Next, it was carried ou...

Butanol replaced gasoline gallon for gallon in a 10,000 miles trip across the United States without the need to highly modify a '92 Buick (your existing car today). Butanol can now be made for less than ethanol and yields more Btu's from the same corn, making the plow to tire equation positive – more energy out than it takes to make it and Butanol is much safer. Butanol when substituted for gas...