Ethanol True Vapor Pressure

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This short video below discusses some interesting facts about ethanol; its production; how its better than gasoline for the environment; and how its also good for the farmers that grow the corn used in ethanol production.

The History of Ethanol

Ethanol is not a new type of fuel developed only recently. In fact, it has been used since the 1820’s. In 1826, Samuel Morey developed an engine that ran on ethanol and turpentine. This is considered by many to be the first real use of ethanol.

In the 1850’s, ethanol was a major lighting fuel. When the Civil War struck the United States, a liquor tax was placed on ethanol to raise money for the war. The price of ethanol got so high that it could no longer compete with other fuels such as kerosene in lighting devices. The production and consumption of ethanol dropped sharply because of this tax. For years ethanol was seen as too expensive compared to other fuels. That was until the tax was removed in 1906.

In 1908, Henry Ford designed his new car, the Model T, to run on a mixture of gasoline and alcohol. Henry Ford envisioned ethanol as the fuel of the future. His vision was to “build a vehicle affordable to the working family and powered by a fuel that would boost the rural farm economy.”

The prosperity of ethanol fuel continued during World War I, when the demand reached 50-60 million gallons per year.

Ethanol production took a big hit with the introduction of prohibition. Ethanol was banned because it was considered liquor. The only way ethanol could be sold was if it was mixed with petroleum. Gasoline then became the main fuel of choice. When prohibition ended in 1933, the ethanol market rose slightly.

After the high demand for ethanol during World War II, it was no longer needed for war materials, and thus there was a tremendous decrease in the usage of ethanol fuel.

It wasn’t until the 1970’s that interest in ethanol was revived. Embargos by major oil companies caused a gasoline shortage and almost overnight ethanol started to be used again.

Since then, ethanol fuel has steadily increased. The government encourages the use of ethanol fuel by offering tax benefits to producers.

In 1988, ethanol began to be added to gasoline for the purpose of reducing carbon monoxide emissions.

Today, the introduction of hybrid cars and other environment-friendly cars are becoming more necessary for two reasons: One is the price of oil and gasoline has reached all time highs, thus forcing consumers to think twice about what type of car they buy. The second is the safety of the environment. Ethanol fuel greatly decreases emissions, which helps protect the environment.

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Vapor-Liquid Equilibrium of Binary Mixtures. 1. Ethanol + 1-Butanol, Ethanol + Octane, 1-Butanol + Octane
Angelica Hull, Bengt Kronberg, Jan van Stam, Igor Golubkov, and Jan KristenssonWeb Release Date: Thu, 19 Oct 2006 EDT (Article) DOI: 10.1021/je0600045
Help with atmospheric water vapor partial pressure experiment.
Summary: pressure of water vapor in air via a non-electronic or psychrometric ... nipple of the Salvason tube is connected to one leg of the water ... Salvason tube is half filled with pure water and then a piece of filter ... steady state differential pressure of the filter paper, ...
Contentious ethanol debate, Toxic beetles, Sleeping seeing fish
It is true that ethanol mixed gasoline is not as efficient as regular gas and will not run some small engines? Does it take more energy to make a gallon of corn ethanol than you get by burning it? What is the most poisonous creature in the world?
Ebulliometric Determination of Vapor-Liquid Equilibria for Methanol + Ethanol + Dimethyl Carbonate
Makoto Fukano, Hiroyuki Matsuda, Kiyofumi Kurihara, and Kenji OchiWeb Release Date: Sun, 28 May 2006 EDT (Article) DOI: 10.1021/je0601309
Chemical vapor sensor having an active and a passive measurement mode
A chemical vapor sensor is provided that measures a chemical species of interest with high sensitivity and chemical specificity. In an aspect, an ethanol vapor sensor is provided, sized for being inconspicuous and on-board a vehicle, having a passive measurement mode and an active breathalyzer mode, for detecting a motor...

° FR Doc 05-21625
... allow the Trenton Agri Products ethanol facility in Trenton, Nebraska, to use Tanks 4.0 Software as the alternative method of defining ``maximum true vapor pressure'' under 40 CFR part 60, subpart ...
http://edocket.access.gpo.gov/2005/05-21625.htm

° Home Distillation of Alcohol (Homemade Alcohol to Drink)
... about 70 to 80% and get the flavours I need. Its true people, about about 80% you start to lose ... ... stop it too early, and you collect mostly pure ethanol and no flavours. Start too early and stop too ...
http://www.homedistiller.org/dtw.htm

° DONNY TEDJO BLOGS
... into wind in form of vapor and ascends as the ... angry. Of course it was true, cause both of Vulcan ... be made under high pressure interest rate, as ... strategy. Biodiesel or ethanol can never ever ...
http://donny-tedjo.blogspot.com/

° Hybrid
... furnace" to "cook" the vapor out of the wood ... vent if the internal pressure gets too high, for ... the way. This may be true but this is probably ... taxi cabs. Alcohol or ethanol can be produced from ...
http://www.freeengineinfo.com/index.php?blog=10

° Carbon
... Natural diamonds were made 1-3 billion years ago in the earth's mantle, at a depth where the pressure was sufficient, say 55,000 atmospheres, and the temperature not too high, perhaps a little over ...
http://www.du.edu/~jcalvert/phys/carbon.htm

° Chevron - Oxygenated Gasoline
... fuels initially have a vapor pressure of 48.3 kPa (7.0 psi ... oxygenated with 10 vol % ethanol or 15 vol % MTBE.(The ... the winter of 1992. This held true for the Western states, which ...
http://www.chevron.com/pr ...ated-gasoline/pg2.asp

° Commercial Air Filtration
... Water Pots Juicers Kettles Pressure Cookers Rice Cookers & ... Microorganism control - Mercury vapor - Disinfectant control Control ... Diethylamine, Dimethylamine, Ethanol, Ethyl acetate, Ethyl ...
http://www.costplusapplia ...al-Air-Filtration.htm

° Letter from UOP to Arizona Clean Fuels - January 27, 2000
... problems. This is true for both summer and winter gasoline products, without a vapor pressure waiver ethanol. We are enthusiastic about your project and would be pleased to meet with you, the Arizona ...
http://www.arizonacleanfu ...rs/012700_uop_ltr.htm

° Environment Archives
... In short, our struggle to determine what is true is the struggle to decide which of our ... ... more than the sea, leading to changes in air pressure and weather. When the Netherlands team ...
http://commonsensewonder. ...cat_environment.shtml

° Rip Off Report:BP/Amoco Gas Station McConnell South Carolina BAD GAS
... station and to put pressure on the BP corp. I ... the possiblity of vapor igniting and causing ... to know more about ETHANOL - there is a web site ... said was to some degree true I am a Ex Gas Station ...
http://www.ripoffreport.com/reports/ripoff2189.htm

° OverMatter
... temperature and pressure that, Linares says ... the chamber. Then the vapor particles take on the ... Word is out, and itÃ„Ã´s true: VeriSign has acquired ... things worse. Its new ethanol mandate, a payoff to ...
http://www.overmatter.com/

° Alcohol and You
... and 19% ethanol in the vapor. Ethanol is an ... to counteract the pressure of the push until ... easy to modulate ethanol intake. Depending ... This is particularly true after repeated ...
http://www.chemcases.com/alcohol/

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